518.0 kHz Balasore Radio, India
IMD = India Meteorological Department
MMB = Maharashtra Maritime Board

518.0 kHz Vakalpudi Radio, India

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft B-326X + B-18901 + F-HLUV + PK-GFU + PK-GMX + ZS-SZJ + 9V-SKR + flight UAE1CR
DFB = Digital Flight Book
AMDAR report FACT - FAOR ...
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft A4O-DC + RPC9934 + VT-ANI + VT-IAY + VT-IFN + flight QTR67Q
TI2 = Terminal Information Request
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAK = Facilities Acknowledgement Message
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response CPDLC
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft B326A + N108FE + VN-A596 + VN-A617 + VN-A890 + flight QTR67Q + SAA346
AGM = Miscellaneous Air/Ground Message
CDP = Computer Diagnostics Program
DFB = Digital Flight Book
DFD = Digital Flight Data
EDP = Engine Display Panel
FWS = Flight Warning System
• Engine Cruise Report VVTS - VVTX ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this screenshot, however, the messages are not table-formatted as in the example below;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...

17919.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-325Y + HL7211 + N389HA + N25982 + RPC8609 + flight CES280
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
TI2 = Terminal Information Request
TS = Time Stamp

6559.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft JA17KZ + N625UP + N628UP + N864FD + flight KAL053
AGM = Miscellaneous Air/Ground Message
DFD = Digital Flight Data
TI2 = Terminal Information Request
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus the Figure of Merit code or data for navigational accuracy
• The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

4209.5 kHz XVN Nha Trang Radio, Viet Nam

4209.5 kHz XSQ Guangzhou Radio, China

6559.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft B-327R + B-6593 + N510DN + flight AS0809
AGM = Miscellaneous Air/Ground Message
CDP = Computer Diagnostics Program
DFD = Digital Flight Data
EDP = Engine Display Panel
FMC = Flight Management Computer
FMS = Flight Management System
FWS = Flight Warning System

6565.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft JA818P + N510DN + N517DZ + N45905 + 9V-SMV + flight G40055
AGM = Miscellaneous Air/Ground Message
DFD = Digital Flight Data
MRD = Maintenance Release Document
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

4209.5 kHz XVG Hai Phong Radio, Viet Nam

13276.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft A6-EVL + JA839A + N862FD + RPC9934 + 9V-SJE + flight AS0829
CFD = Centralized Fault Display
TI2 = Terminal Information Request
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft A6-EUQ + D-AVZQ + SE-DMO + SU-GEM + flight SU1177
Fault report in XML format ...
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
AFS = Auto Flight System
CFB = Centralized Fault Book
CMS = Central Maintenance System
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
PIC = Pilot In Command
SDU = Satellite Data Unit
WN = Warning Number, followed by the Date-Time Group
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus the Figure of Merit code or data for navigational accuracy
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

6529.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft CC-BBH + CC-BGA + G-VDIA + 9V-SGD + flight 8U0ONO
CDP = Computer Diagnostics Program
DFD = Digital Flight Data
EDP = Engine Display Panel
FWS = Flight Warning System
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• Air and ground end systems include
(1) Datalink Application Service Element = CPDLC
(2) Aeronautical Telecommunication Network upper layers
(3) TP4 = Transport Protocol Class 4
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

6529.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft CC-BGA + C-FKSV + CN-ROY + RA73228 + flight KW22NU
AGM = Miscellaneous Air/Ground Message
BCAT1 = Below Category 1
CCO = Operations Control Centre
DT = Destination, followed by the runway number
FN = Flight Number
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

16806.5 kHz L2C Argentinian Coast Guard Buenos Aires, Argentina
SMM = Servicio Movil Maritimo

8977.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft JY-AYT + N27908 + RA73178 + RA73730 + SU-GDC + 5Y-CYB + flight EVE825
ATSU = Air Traffic Service Unit
CFB = Centralized Fault Book
CFDS = Centralized Fault Display System
DFB = Digital Flight Book
EENT = End of Evening Nautical Twilight
ETP = Equitime Point
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
MMR = Multi-Mode Receiver
WN = Warning Number, followed by the Date-Time Group
• Engine Cruise Report LEBL - OJAI ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this screenshot, however, the text is not table-formatted;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...

8425.5 kHz XSG Shanghai Radio, China

8425.5 kHz XSG Shanghai Radio, China
N/W = Nautical Warning
Characters in brackets denote the Latin alphabet
The four-figure groups without brackets
are Chinese ideographs

6030.0 kHz China National Radio DRM transmission
decoded with the Kiwi-SDR extension feature

4632.8 kHz Digital data station

6565.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft JA933A + N503DN + N570UP + N629UP + N851FD + N19986 + flight AS0149
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus the Figure of Merit code or data for navigational accuracy
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

5195.0 kHz DRA5 Kiel, Germany

13550.5 kHz ZKLF Auckland Meteo, New Zealand

21937.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft HL8286 + JA17KZ + JA874A + N622UP + N629UP + TC-MCM + 9V-SJC + 9V-SMS + flight AS0862
PAG and PMC freight pallet positions on the lower deck ...
CFD = Centralized Fault Display
ECS = Environmental Control System
LIDO = Lufthansa Integrated Dispatch Operation =
FMS software used by 180+ airlines worldwide
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAK = Facilities Acknowledgement Message
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response CPDLC
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

11030.0 kHz VMC Charleville Meteo QLD, Australia
MSLP = Mean Sea Level Pressure

8416.5 kHz UAT Moscow Radio, Russian Federation

17016.8 kHz KPH San Francisco Radio CA, United States of America

10084.0 kHz H05 HFDL Auckland Air, New Zealand, + flight AC0033 + AIC308

8416.5 kHz NMO United States Coast Guard Honolulu, Hawaii

8416.5 kHz NMO United States Coast Guard Honolulu, Hawaii

6565.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft A7-ANA + B-326V + B-18918 + JA12KZ + JA381A + JA808A + JA932A + OH-LWN + 9V-SJC + 9V-SMY + flight DAL276
AGM = Miscellaneous Air/Ground Message
TI2 = Terminal Information Request
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

6565.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft JA882A + N506DN + N35953 + flight AS0300
PACD is an ETOPS emergency alternate airport for trans-Pacific flights ...
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz NMQ United States Coast Guard Long Beach CA, United States of America

17958.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-20C6 + B-30EJ + B-304E + B-11670 + 9V-SMQ + 9V-SMY + flight KZR712
AGM = Miscellaneous Air/Ground Message
AOC = Airline Operations Control
FSM = Flight System Message
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz Parangipettai Radio, India
IMD = India Meteorological Department

518.0 kHz Muttam Point Radio, India
IMD = India Meteorological Department

8927.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-5928 + HL7626 + N106FE + PK-BKF + VN-A617 + 9V-SHN + 9V-SMY + flight GA0146
CFB = Centralized Fault Book
DFD = Digital Flight Data
WN = Warning Number, followed by the Date-Time Group
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAK = Facilities Acknowledgement Message
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response CPDLC
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• Engine Cruise Report WIII - WALL ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this screenshot, however, the text is not table-formatted;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz Veraval Radio, India

518.0 kHz VBR Canadian Coast Guard Ferndale ONT, Canada
The ice concentration is given in tenths
BW = Bergy Water
CONS = Consolidated
FYI = First-Year Ice
GI = Grey Ice
GWI = Grey-White Ice
IF = Ice Free
MEDI = Medium Lake Ice
MYI = Multi-Year Ice
NI = New Ice
OI = Old Ice
OW = Open Water
THI = Thin Lake Ice
TKI = Thick Lake Ice
TR = Trace Of
SYI = Second-Year Ice
VTKI = Very Thick Lake Ice

518.0 kHz ZBM Hamilton Harbour Radio, Bermuda

17958.0 kHz H10 HFDL Muan Air, South Korea, + aircraft HL7632 + JA811A + JA839A + flight CZ3969
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus the Figure of Merit code or data for navigational accuracy
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

8416.5 kHz L2C Argentinian Coast Guard Buenos Aires, Argentina

8416.5 kHz L2C Argentinian Coast Guard Buenos Aires, Argentina

17919.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft B-30EJ + HL7579 + N583UP + VT-IFM + VT-ISV + flight AMX444
AGM = Miscellaneous Air/Ground Message
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCA = Facilities Contact Advisory
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FCP = Facilities Contact Response
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

6565.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft B-20AA + JA17KZ + N583UP + N628UP + N19986 + flight G41528
CFD = Centralized Fault Display
ECS = Environmental Control System
FICON = Field Conditions
FOC = Flight Operations Control
Code figures for KDTW runways braking action - see e.g. here
A NOTAM decoder can be found e.g. here
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

6565.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft HL7625 + HL7632 + JA899A + N502DN + N628UP + N861FD + flight FDX12
AGM = Miscellaneous Air/Ground Message
• The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

12579.0 kHz L2C Argentinian Coast Guard Buenos Aires, Argentina

13276.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft B-7365 + N109FE + N127FE + N418LA + N589FE + N861FD + 7T-VJV + flight AT801F
PAPEE read PAPI - standard ICAO phraseology should be used!!!
DFD = Digital Flight Data
TI2 = Terminal Information Request
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz HSA Bangkok Radio, Thailand
BKK = Bangkok
005671000 is the station's MMSI (Maritime Mobile Service Identity) code

518.0 kHz XVT Da Nang Radio, Viet Nam

518.0 kHz XVS Ho Chi Minh City Radio, Viet Nam
Warnings still in force - received 282350Z NOV 2022

8927.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft JA833A + N124FE + N130FE + N595FE + RPC9936 + flight CSC692
DFD = Digital Flight Data
GOCC = Global Operations Control Center
REQPWI = Predicted Wind Request for FL 360 340 320 300
RESPWI/AC = FMS downlink acceptance and insertion of PWI = Predicted Wind uplink data
RESPWI/AK = FMS downlink acknowledgement of PWI = Predicted Wind uplink data
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz Don Sak Radio, Thailand
005671000 is the station's MMSI (Maritime Mobile Service Identity) code
See 5 AUG 2021 NAVTEX Panel Report

17151.2 kHz NMC United States Coast Guard San Francisco CA, United States of America
NCEP = National Centers for Environmental Prediction

17151.2 kHz NMC United States Coast Guard San Francisco CA, United States of America
NCEP = National Centers for Environmental Prediction

17151.2 kHz NMC United States Coast Guard San Francisco CA, United States of America
NCEP = National Centers for Environmental Prediction

17151.2 kHz NMC United States Coast Guard San Francisco CA, United States of America

5655.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft N848FD + RPC8397 + RPC8780 + 9V-SKW + 9V-SMO + flight FDX21 + SQ0636
CIDS = Cabin Intercommunication Data System
OCC = Operations Control Centre
PED = Portable Electronic Device
RESPWI/AC = FMS downlink acceptance and insertion of PWI = Predicted Wind uplink data
RESPWI/AK = FMS downlink acknowledgement of PWI = Predicted Wind uplink data
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAK = Facilities Acknowledgement Message
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response CPDLC
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• Air and ground end systems include
(1) Datalink Application Service Element = CPDLC
(2) Aeronautical Telecommunication Network upper layers
(3) TP4 = Transport Protocol Class 4
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz SUK Quseir Radio, Egypt
BA = British Admiralty
EAFMS = Egyptian Authority for Maritime Safety
This is the former PLA (Ports and Lighthouses Administration) ...
GAPCO = Gulf Africa Petroleum Corporation

518.0 kHz 3VL Kelibia Radio, Tunisia

518.0 kHz 9AS Split Radio, Croatia

518.0 kHz 4XO Haifa Radio, Israel
BA = British Admiralty
NTM = Notice to Mariners

10081.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft RA73770 + flight HY0631
• Engine Cruise Report UWUU - UUEE ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...

518.0 kHz 9HD Valetta Radio, Malta
AFM = Armed Forces Malta
BA = British Admiralty
NTM = Notice to Mariners

3585.0 kHz HLL8 Soul Meteo, South Korea

3585.0 kHz HLL8 Soul Meteo, South Korea
DFS = Digital Forecast System

3585.0 kHz HLL8 Soul Meteo, South Korea
DFS = Digital Forecast System

6559.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft N404KZ + N628UP + N878FD + N28987 + 9V-SMV + flight AS0008
KLAX - YSSY L/R engine data ...
AGM = Miscellaneous Air/Ground Message
CDP = Computer Diagnostics Program
CDT = Control Display of Traffic
CFD = Centralized Fault Display
DFB = Digital Flight Book
DFD = Digital Flight Data
ECS = Environmental Control System
EDP = Engine Display Panel
FWS = Flight Warning System
SCV = Surge Control Valve
TI2 = Terminal Information Request

4199.8 kHz XSQ Guangzhou Radio, China
CMA = China Meteorological Administration
MSA = Maritime Safety Administration

4210.5 (not 4209.5!) kHz XSQ Guangzhou Radio, China
N/W = Nautical Warning
Characters in brackets denote the Latin alphabet
The four-figure groups without brackets
are Chinese ideographs

4199.8 kHz XSQ Guangzhou Radio, China
CMA = China Meteorological Administration
MSA = Maritime Safety Administration

12579.0 kHz UAT Moscow Radio, Russian Federation

21934.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft JA822A + N102FE + N5147A + VN-A668 + 9V-SMA + flight FDX194
DFD = Digital Flight Data
TI2 = Terminal Information Request

5100.0 kHz VMC Charleville Meteo QLD, Australia

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft A6-EEU + B-30CV + B-30DS + EI-KGF + VN-A668 + VT-IFM + VT-IFV + 9V-SMC + flight CES541
DCL = Departure Clearance
DT = Destination, followed by the runway number
FN = Flight Number
FSM = Flight System Message
RCD = Request for Departure Clearance
TI2 = Terminal Information Request
TS = Time Stamp
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus the Figure of Merit code or data for navigational accuracy
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + flight ANA897

8912.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft CC-CXE + C-FRAM + G-VWAG + N124FE + flight BAW19F
DFD = Digital Flight Data
DT = Destination, followed by the runway number
FN = Flight Number
REQFPN = FPL report request uplink
REQPWI = Predicted Wind Request for FL 350 330 310 280
RESPWI/AK = FMS downlink acknowledgement of PWI = Predicted Wind uplink data
RESREQ/AK = FMS downlink acknowledgement of a REQFPN uplink
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz JNX Kushiro Radio, Japan

17919.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft B-1293 + HL8381 + RPC8613 + XA-VSF + YV3533 + flight CPA884
SNOWTAM decoder can be found e.g. here
Code figures for BIKF runways braking action - see e.g. here
So CONVIASA's 14 years old Airbus A340-642 had to return for another try three hours later ...
• Engine Cruise Report MMUN - MMMX ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this screenshot, however, the text is not table-formatted;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

8416.5 kHz VFF Canadian Coast Guard Iqaluit NUN, Canada

8416.5 kHz VFF Canadian Coast Guard Iqaluit NUN, Canada

16963.3 kHz FUF French Navy Fort de France, Martinique
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

8977.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft C-FVND + D-AXGF + EI-KDF + F-HRBH + JY-AYT + JY-AYU + N621UP + flight U60266
EFB = Electronic Flight Bag
MCC = Maintenance Control Centre
MOC = Meteorological Operations Center
MTC = Maintenance Technical Center
OCC = Operations Control Centre
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

8977.0 kHz H03 HFDL Reykjavik Air, Iceland, + A7-AMJ + aircraft B-307Y + EI-KGG + N621UP + N27908 + RA73229 + flight IBE625
The INRANGE message announces the aircraft being within VHF range of the DS
DS = Destination Airport
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus the Figure of Merit code or data for navigational accuracy
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz NMF United States Coast Guard Boston MA, United States of America
BNM = Broadcast Notice to Mariners

8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft F-HROK + RA73725 + RA73786 + 5A-WLA + 5A-WLB + flight AIB403
AFS = Auto Flight System
CFB = Centralized Fault Book
CIDS = Cabin Intercommunication Data System
DA = Departure Airport
DAR = Data Access Recorder
DM = Time Stamp
DMU = Data Management Unit
DS = Destination Airport
ECAM = Electronic Centralized Aircraft Monitoring
ELAC = Elevator Aileron Computer
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
IFE = In-Flight Entertainment
PISA = Passenger Interface and Supply Adapter
SDAC = System Data Acquisition Computer
SR = Seat Row
WN = Warning Number, followed by the Date-Time Group
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft A7-AMJ + F-HJAZ + F-WZHN + RA73172 + RA73304 + RA73732 + RA73761 + UK32023 + flight DP6834
F-WZHN is an Airbus A350-900 test flight to be delivered to Delta Airlines
CFB = Centralized Fault Book
DA = Departure Airport
DM = Time Stamp
DS = Destination Airport
ECAM = Electronic Centralized Aircraft Monitoring
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
MMR = Multi-Mode Receiver
PHC = Probe Heat Computer
SDAC = System Data Acquisition Computer
TLS = Toulouse Airbus Test Facility
WN = Warning Number, followed by the Date-Time Group
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• The Altitude Range Change Event is triggered
when the aircraft's altitude exceeds the altitude ceiling
or floor defined in the contract by the ground system
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz XSZ Dalian Radio, China

17919.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-305K + B-308Z + B-321P + JA888A + JA897A + JA923A + N511DN + 9V-SCM + flight CSN611
AGM = Miscellaneous Air/Ground Message
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

4209.5 kHz XVG Hai Phong Radio, Viet Nam

6559.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft N507DN + N536AS + flight AS1480
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

8412.5 kHz XSQ Guangzhou Radio, China
CMA = China Meteorological Administration
MSA = Maritime Safety Administration

17919.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-321J + B-18917 + JA895A + N502DN + N583UP + N873FD + 9V-SHL + flight OMA409
AI = Arrival Information
DI = Departure Information
DT = Destination, followed by the runway number
FN = Flight Number
GC = Ground Connections
MTC = Maintenance Technical Center
REQPRG = Request Flight Progress Report
TI2 = Terminal Information Request
TS = Time Stamp
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAK = Facilities Acknowledgement Message
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response CPDLC
FMH = Facilities Message Header = Flight Number
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

12666.3 kHz FUM French Navy Papeete, Tahiti, Polynesia (French)
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

12382.0 kHz XSG Shanghai Radio, China
CMA = China Meteorological Administration

10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft RPC8397 + RPC8789 + RPC9934 + 9V-SJD + flight PAL127
DOI = Dry Operating Index
ZFW + TOF = TOW - TIF = LAW
• Air and ground end systems include
(1) Datalink Application Service Element = CPDLC
(2) Aeronautical Telecommunication Network upper layers
(3) TP4 = Transport Protocol Class 4
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

8927.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-30FD + DQ-FJT + N878FD + 9V-SJD + 9V-SMV + flight CES538
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• The Lateral Deviation Change Event is triggered
when the aircraft's actual position exceeds a lateral distance parameter
from the aircraft's expected position on the active flight plan
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus the Figure of Merit code or data for navigational accuracy
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

4209.5 kHz TAH Istanbul Radio, Turkey

6661.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft CC-CXF + HP1827 + N507DN + N893FD + OE-LZF + XA-VSF + flight VS127
MDPWI = Meteorological Data - Predicted Wind for FL 380
REQPWI = Predicted Wind Request for FL 380
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

13276.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft CC-CXF + C-GTSZ + CN-RGJ + CS-TKQ + N601FE + 5Y-KYD + 9H-SMF + flight ETH512
Increasing solar activity - and the ionosphere going totally crazy:
METAR uplink for a VABB - HKJK regional flight ... via New York!
CFB = Centralized Fault Book
GOCC = Global Operations Control Center
TI2 = Terminal Information Request
WN = Warning Number, followed by the Date-Time Group
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus the Figure of Merit code or data for navigational accuracy
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

13276.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft C-GTSZ + CS-TKQ + G-EODS + N762AV + N853FD + flight AAR221
AFS = Auto Flight System
AGM = Miscellaneous Air/Ground Message
CCO = Operations Control Centre
CFB = Centralized Fault Book
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
PER = Performance
SCV = Surge Control Valve
TS = Time Stamp
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• Engine Cruise Report CYYZ - MDPC ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

11184.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft B-2098 + EI-KDD + EI-KGE + EI-KGF + OY-KAL + RA73119 + RA73231 + flight ABY510
DT = Destination, followed by the runway number
FN = Flight Number
REQPWI = Predicted Wind Request for FL 360 340 320 300
RESPWI/AK = FMS downlink acknowledgement of PWI = Predicted Wind uplink data
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN

16806.5 kHz NMC United States Coast Guard San Francisco CA, United States of America

11318.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft HL8033 + HL8259 + N599AV + 5Y-KYD + flight IBE68
Increasing solar activity - and the ionosphere going totally crazy:
METAR uplink and POSREP downlink for a HKJK - FIMP regional flight ... via Bolivia!
MDPWI = Meteorological Data - Predicted Wind for FL 380 360 340 320
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz Chukpy Radio, South Korea
JCS = Joint Chiefs of Staff

12695.5 kHz KFS San Francisco Radio CA, United States of America
MMP = Masters, Mates and Pilots

8927.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft B-20CJ + JA217A + JA886A + N106FE + N625UP + N629UP + N867FD + flight UPS104
DFD = Digital Flight Data
SCV = Surge Control Valve
Code figures for PANC runways braking action - see e.g. here
• Engine Cruise Report RJTT - RJOB ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this screenshot, however, the messages are not table-formatted as in the example below;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

8927.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-5830 + RPC8619 + RPC9934 + 9V-SCM + flight CES291
AVI = Live Animals
DOI = Dry Operating Index
HUM = Human Remains in Coffins
LITOW = Loaded Index at TOW
LIZFW = Loaded Index at ZFW
MAC... = Mean Aerodynamic Chord ...
PER = Perishable Cargo
REJPWI = Predicted Wind Data
ZFW + TOF = TOW - TIF = LAW
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

8416.5 kHz NMF United States Coast Guard Boston MA, United States of America

17919.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft B-18907 + JA13KZ + 9V-SGD + flight AS0809
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz L2G Argentinian Coast Guard Buenos Aires, Argentina

11306.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-LRT + B-30AV + HL8099 + JA894A + N617UP + 9V-SHD + flight ACA006 + CES244
AGM = Miscellaneous Air/Ground Message
TI2 = Terminal Information Request
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAK = Facilities Acknowledgement Message
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response CPDLC
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

11306.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft JA203P + JA824P + N625UP + RPC9934 + flight ANA897
AGM = Miscellaneous Air/Ground Message
TI2 = Terminal Information Request
• Engine Cruise Report RPLL - AYPY ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this screenshot, however, the messages are not table-formatted as in the example below;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz VRX Hong Kong Radio, China
Nice to see VRX uses intentionally
the internationally recognized British names
for those island groups in the South China Sea
and not those absurd fantasy names
applied by aggressive Communist China
that is going to grab every shoal all the way down
to the shores of Melayu dan Singapura -
more than 1,800 kilometres away from Hainan!
Alamak!! Tak boleh tahan lah!!!

10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft C-FGDX + JA15KZ + RA73762 + RPC8782 + flight FV6345
AEVC = Avionics Equipment Ventilation Computer
CFB = Centralized Fault Book
DFD = Digital Flight Data
ECAM = Electronic Centralized Aircraft Monitoring
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
PHC = Probe Heat Computer
SDAC = System Data Acquisition Computer
• The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft C-FGDX + JA15KZ + N580UP + N615UP + RPC8782 + 5Y-CYE + 9V-SHJ + flight KQ0202
Increasing solar activity - and the ionosphere going totally crazy:
ETOPS down- and uplink for a HKJK - VABB regional flight ... via Auckland!
CFD = Centralized Fault Display
DFB = Digital Flight Book
ECS = Environmental Control System
EENT = End of Evening Nautical Twilight
ETP = Equitime Point
REQPWI = Predicted Wind Request for FL 410 390 370 350
RESPWI/AK = FMS downlink acknowledgement of PWI = Predicted Wind uplink data
TS = Time Stamp
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCP = Facilities Contact Response
FMH = Facilities Message Header = Flight Number
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

3247.4 kHz ZKLF Auckland Meteo, New Zealand

10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft EC-NCK + HL8099 + JA808A + JA902P + N877FD + RA73194 + RA73677 + RA73780 + RPC8782 + flight PR0100
Increasing solar activity - and the ionosphere going crazy:
ETA and engine data downlink for a UUEE - ULLI domestic flight ... via Auckland!
ACP = Audio Control Panel
AGM = Miscellaneous Air/Ground Message
AMU = Audio Management Unit
CFB = Centralized Fault Book
CIDS = Cabin Intercommunication Data System
DEU = Decoder-Encoder Unit
DFB = Digital Flight Book
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
FUKOPS = Fukushima Operations
PISA = Passenger Interface and Supply Adapter
SCV = Surge Control Valve
SR = Seat Row
• Engine Cruise Report UUEE - ULLI ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
• The Altitude Range Change Event is triggered
when the aircraft's altitude exceeds the altitude ceiling
or floor defined in the contract by the ground system
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

6559.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft N130FE + N517AS + N859GT + flight CAL031
CFB = Centralized Fault Book
DFD = Digital Flight Data
ECS = Environmental Control System
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus the Figure of Merit code or data for navigational accuracy
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

13315.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft HL8033 + LV-KAN + flight GTI33
MDPWI = Meteorological Data - Predicted Wind for FL 390 410
DT = Destination, followed by the runway number
FN = Flight Number
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

3585.0 kHz HLL8 Soul Meteo, South Korea

11387.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft EI-MAA + N853GT + flight AMX021
DFB = Digital Flight Book
• Engine Cruise Report PANC - MMMX ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

6661.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft A6-EUL + N134FE + XA-VRX + flight AMX021
PDU = Pilot Display Unit
REQPWI = Predicted Wind Request for FL 400 380 360 340
TI2 = Terminal Information Request
TS = Time Stamp
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus the Figure of Merit code or data for navigational accuracy
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

6661.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft HL7624 + N613UP + N618UP + N24979 + flight FBU731
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-1067 + JA205P + JA824P + JA895A + N106FE + PK-GFM + RA73677 + VN-A588 + 5Y-CYD + 9V-SCM + flight UAE431
Increasing solar activity - and the ionosphere going crazy:
METAR uplink for a VABB - HKJK regional flight of Kenya Airways ... via Auckland!
AGM = Miscellaneous Air/Ground Message
DFD = Digital Flight Data
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAK = Facilities Acknowledgement Message
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response CPDLC
FMH = Facilities Message Header = Flight Number
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

17958.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-2097 + B-2415 + B-6330 + JA821A + JA833A + JA884A + N109FE + N27965 + flight CSN527
CFD = Centralized Fault Display
DFD = Digital Flight Data
TI2 = Terminal Information Request
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

4209.5 kHz XVG Hai Phong Radio, Viet Nam

518.0 kHz Thailand
BKK = Bangkok
This is not HSA, but most likely one of the new NAVTEX stations
announced in the 5 AUG 2021 NAVTEX Panel Report

518.0 kHz Keating Point Radio, Andaman Islands, India
LMD read IMD = India Meteorological Department

518.0 kHz 9MG Georgetown Radio, Pinang Island, Malaysia
Warnings still in force - received 131500Z NOV 2022

17916.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-209E + B-300R + JA15VA + VN-A818 + 9V-SJE + flight UAL29
AGM = Miscellaneous Air/Ground Message
DFB = Digital Flight Book
• Engine Cruise Report ZGSD - ZSPD ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this screenshot, however, the messages are not table-formatted as in the example below;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz NOJ United States Coast Guard Kodiak, Alaska
BNM = Broadcast Notice to Mariners

11318.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft PR-TYP + flight AVA218
CAS = Computed Air Speed
DA = Departure Airport
DFB = Digital Flight Book
DM = Time Stamp
DS = Destination Airport

518.0 kHz VAJ Canadian Coast Guard Prince Rupert BC, Canada
Haida Gwaii = ex Queen Charlotte Islands

10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-209E + B-1169 + B-18772 + HL8293 + JA09VA + JA220A + N617UP + 9V-SHS + flight OZ0767
AGM = Miscellaneous Air/Ground Message
CFD = Centralized Fault Display
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAK = Facilities Acknowledgement Message
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response CPDLC
FMH = Facilities Message Header = Flight Number
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

6661.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft EI-EJP + ET-AOR + N626UP + N883FD + flight AVA842
LLD = Large Lateral Deviation = 10 NM or more without ATC approval

518.0 kHz CBP Puerto Montt Radio, Chile

518.0 kHz CBV Valparaiso Radio, Chile

518.0 kHz VBA Canadian Coast Guard Pass Lake ONT, Canada

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft B-LNV + B-305S + B-323Q + B-18906 + JA829A + N611UP + PK-SGB + 9V-SHT + flight CCA012
DT = Destination, followed by the runway number
FDU = Fire Detection Unit
FLR = Failure
FN = Flight Number
FR = Fault Report, followed by the Date-Time Group
WN = Warning Number, followed by the Date-Time Group
TS = Time Stamp
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height

16971.0 kHz JJC Kyodo Tsushin Tokyo, Japan

4209.5 kHz TAH Istanbul Radio, Turkey

10081.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft RA73167 + RA73195 + RA73665 + RA73785 + flight FV6066
Perfect OOOI ...
ATSU = Air Traffic Service Unit
CFB = Centralized Fault Book
CFDS = Centralized Fault Display System
DA = Departure Airport
DCDU = Datalink and Control Display Unit
DM = Time Stamp
DS = Destination Airport
ECB = Environmental Control Board
ECS = Environmental Control System
EFCS = Electronic Flight Control System
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
PACK = Pressurization Air Conditioning Kit
VSC = Vacuum System Controller
WN = Warning Number, followed by the Date-Time Group

17958.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-30D9 + JA817A + JA884A + JA885A + JA894A + 9V-SGF + flight FDX608
AGM = Miscellaneous Air/Ground Message
EEP = ETOPS Entry Point
OMC = Operation Management Center
• Air and ground end systems include
(1) Datalink Application Service Element = CPDLC
(2) Aeronautical Telecommunication Network upper layers
(3) TP4 = Transport Protocol Class 4
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft A6-EIX + HL7795 + N861GT + RA73178 + ZS-SFL + 9V-SHD + flight 2P2988
DFD = Digital Flight Data
OCC = Operations Control Centre
ZUR = Zuidafrikaanse Radio = SAA Operations Control Jo'burg
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus the Figure of Merit code or data for navigational accuracy
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

8658.0 kHz JFX Kagoshima Fisheries Radio, Japan
The date reads 4 11 7 = 2022 November 7
since the Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year

8658.0 kHz JFX Kagoshima Fisheries Radio, Japan
Latest tuna market prices ...
The date reads 4 11 7 = 2022 November 7
since the Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year

13570.0 kHz HLL Soul Meteo, South Korea

16907.5 kHz JFA Funabashi Fisheries Radio, Japan
NOAA satellite settings for JRC / FURUNO fish finder equipment ...
The date reads 4 11 6 = 2022 November 6
since the Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year

4209.5 kHz XSV Tianjin Radio, China

4209.5 kHz XSG Shanghai Radio, China

518.0 kHz NMG United States Coast Guard New Orleans LA, United States of America

490.0 kHz Sellia Marina Radio, Italy

518.0 kHz XSG Shanghai Radio, China

21997.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft HC-CTX + HL8033 + PR-TYO + flight IBE645
Perfect OOOI ...
CFB = Centralized Fault Book
DA = Departure Airport
DM = Time Stamp
DS = Destination Airport
DT = Destination, followed by the runway number
FN = Flight Number
FR = Fault Report, followed by the Date-Time Group
• Engine Cruise Report SBSP - SBVT ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this screenshot, however, the text is not table-formatted;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN

8582.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

12789.7 kHz NMC United States Coast Guard San Francisco CA, United States of America
Now this is most likely yet another USCG malfunction:
they switched the NMC NAVTEX transmission on the NMG (!) FAX channel USB
and started the NMG chart on top at scheduled 1800Z ...

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft B-30C8 + B-32A3 + B-322X + N630UP + VN-A511 + 9V-SCM + 9V-SHG + flight CSC870
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• Air and ground end systems include
(1) Datalink Application Service Element = CPDLC
(2) Aeronautical Telecommunication Network upper layers
(3) TP4 = Transport Protocol Class 4
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz NMA United States Coast Guard Miami FL, United States of America
BNM = Broadcast Notice to Mariners

4209.5 kHz XVN Nha Trang Radio, Viet Nam

518.0 kHz CBT Talcahuano Radio, Chile

11348.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft CN-ROB + HZ-NS22 + HZ-NS35 + OE-LZF + SU-GEI + flight TP1359
AGM = Miscellaneous Air/Ground Message
TI2 = Terminal Information Request

11348.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft CN-MAX + ET-AOT + ET-ATQ + JY-AYP + N632UP + flight TP1359
AGM = Miscellaneous Air/Ground Message
CCO = Operations Control Centre
CDP = Computer Diagnostics Program
CFB = Centralized Fault Book
DA = Departure Airport
DFD = Digital Flight Data
DM = Time Stamp
DS = Destination Airport
EDP = Engine Display Panel
FR = Fault Report, followed by the Date-Time Group
FWS = Flight Warning System
GPSSU = Global Positioning System Sensor Unit
IR = Inertial Reference
MMR = Multi-Mode Receiver
TI2 = Terminal Information Request
TS = Time Stamp
WN = Warning Number, followed by the Date-Time Group
• The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here

11348.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft ET-AOT + flight AUA839
Perfect CPDLC ...
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAK = Facilities Acknowledgement Message
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response CPDLC
FMH = Facilities Message Header = Flight Number
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• Air and ground end systems include
(1) Datalink Application Service Element = CPDLC
(2) Aeronautical Telecommunication Network upper layers
(3) TP4 = Transport Protocol Class 4
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus the Figure of Merit code or data for navigational accuracy
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz GCC Cullercoats Radio, United Kingdom

518.0 kHz ESA Tallinn Radio, Estonia

6661.0 kHz H04 HFDL Riverhead Air NY, United States of America, + flight FX1410

518.0 kHz PKX Jakarta Radio, Indonesia
TS = Tropical Storm

518.0 kHz VAE Canadian Coast Guard Tofino BC, Canada

8939.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-18916 + N609UP + RA73680 + RPC8780 + 9V-SKT + flight CAL031
ADC = Air Data Computer
ADIRS = Air Data Inertial Reference System
ADIRU = Air Data Inertial Reference Unit
AFS = Auto Flight System
CFB = Centralized Fault Book
CFDS = Centralized Fault Display System
DMU = Data Management Unit
DT = Destination, followed by the runway number
ECAM = Electronic Centralized Aircraft Monitoring
FLR = Failure
FN = Flight Number
FR = Fault Report, followed by the Date-Time Group
FWC = Flight Warning Computer
TI2 = Terminal Information Request
TS = Time Stamp
• Air and ground end systems include
(1) Datalink Application Service Element = CPDLC
(2) Aeronautical Telecommunication Network upper layers
(3) TP4 = Transport Protocol Class 4
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

8939.0 kHz H10 HFDL Muan Air, South Korea, + flight AAR796 + CAL052

12684.0 kHz Digital data station

4209.5 kHz XVG Hai Phong Radio, Viet Nam

4209.5 kHz XVN Nha Trang Radio, Viet Nam

8894.0 kHz H11 HFDL Panama City Air, Panama, + aircraft C-FGDX + N420LA + N608UP + N649FE + flight AC0322 + RJA272
DFD = Digital Flight Data
TI2 = Terminal Information Request
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus the Figure of Merit code or data for navigational accuracy
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz A9M Hamala Radio, Bahrain
BA = British Admiralty
Totally outdated data received 251610Z OCT 2022!

13315.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft N562AV + N610UP + N964AV + PR-TYK + flight GTI823
DT = Destination, followed by the runway number
FN = Flight Number
TI2 = Terminal Information Request
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN

490.0 kHz OST Oostende Radio, Belgium
EEZ = Exclusive Economic Zone

490.0 kHz EAV Valencia Radio, Spain

490.0 kHz Hamburg Meteo, Germany
NCC = National Co-Ordination Centre

11354.0 kHz H09 HFDL Barrow Air, Alaska, + flight ACA850 + 7G0014

11184.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft A6-EUM + EI-KDE + F-HRBG + RA73231 + UK32012 + flight UAL933
TI2 = Terminal Information Request
The INRANGE message announces the aircraft being within VHF range of the DS
LIDO = Lufthansa Integrated Dispatch Operation =
FMS software used by 180+ airlines worldwide
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz VAU Canadian Coast Guard Chebogue NS, Canada

518.0 kHz NMR United States Coast Guard San Juan, Puerto Rico

518.0 kHz JGC Yokohama Radio, Japan

518.0 kHz UFL Vladivostok Radio SE, Russian Federation

8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft CN-RGC + CN-ROY + N617UP + N848FD + RA73232 + SU-GDX + flight SU2134
Perfect OOOI ...
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
AGM = Miscellaneous Air/Ground Message
BJR = Bonjour
CCO = Operations Control Centre
CDB = Commandant Du Bord
TI2 = Terminal Information Request
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

17958.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-30CL + B-6011 + JA885A + JA901A + flight CCA622 + AAR203
Enroute weather ZGSD - ZSNB ...
DFB = Digital Flight Book
• Engine Cruise Report ZYHB - ZGSZ ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this screenshot, however, the messages are not table-formatted as in the example below;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

17958.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-MCA + B-30FL + B-1292 + B-5946 + B-6753 + JA12KZ + JA208P + JA894A + N616UP + 9V-SHF + 9V-SJC + flight CSC893
AGM = Miscellaneous Air/Ground Message
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz SUZ Serapeum Radio, Egypt
BA = British Admiralty

7646.0 kHz DDH7 Hamburg Meteo, Germany

518.0 kHz NMC United States Coast Guard San Francisco CA, United States of America
BNM = Broadcast Notice to Mariners
LA = Los Angeles
LB = Long Beach
SD = San Diego
SF = San Francisco

8302.0 kHz XSG Shanghai Radio, China
CMA = China Meteorological Administration

518.0 kHz 9WW21 Miri Radio, Sarawak, Malaysia

17928.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft F-HJAZ + 5A-ONO + 5Y-KYF + flight RZO127
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
TS = Time Stamp
• Engine Cruise Report HLLS - HLLB ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this screenshot, however, the messages are not table-formatted as in the example below;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...

21931.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-5969 + B-7349 + N576UP + P4-IFD + flight CSH942
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• Engine Cruise Report ZJHK - ZBAA ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this screenshot, however, the messages are not table-formatted as in the example below;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...

518.0 kHz NMN United States Coast Guard Norfolk VA, United States of America
BNM = Broadcast Notice to Mariners
HAZOPS = Hazardous Operations

16953.3 kHz 6WW French Navy Dakar, Senegal

4209.5 kHz XSQ Guangzhou Radio, China
What those megalomaniac Communist Chinese call "Zengmu Ansha Reef"
is in fact James Shoal, recognized by the Brits in the early 19th Century
and listed on the British Admiralty Chart in the 1870s (!).
Needless to say, located a mere 83 kilometres off Bintulu in Sarawak,
BETING SERUPAI belongs perfectly to the continental shelf and EEZ of MALAYSIA,
and has never repeat NEVER been a territory of Communist "China"
that is more than 1,800 kilometres repeat
MORE THAN ONE THOUSAND EIGHT HUNDRED KILOMETRES away!
Alamak!! Tak boleh tahan lah!!!

6565.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + flight AS0891 + AVA975

490.0 kHz EJM Irish Coast Guard Malin Head, Ireland

518.0 kHz JNR Moji Radio, Japan

518.0 kHz L3B Argentinian Coast Guard Comodoro Rivadavia, Argentina

518.0 kHz XSI Sanya Radio, China

4209.5 kHz XVN Nha Trang Radio, Viet Nam
Warnings still in force - received 041220Z OCT 2022

7795.0 kHz JMH2 Tokyo Meteo, Japan

8477.3 kHz FUX French Forces Le Port de la Riviere des Galets, Reunion
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

8424.0 kHz SVO Olympia Radio, Athens, Greece

490.0 kHz Antalya Radio, Turkey

490.0 kHz HZH Jeddah Radio, Saudi Arabia

4296.0 kHz Digital data station, Japan
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

8570.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

10093.0 kHz H09 HFDL Barrow Air, Alaska, + aircraft A6-EVF + EI-EJL + JA816A + flight TS0093
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAK = Facilities Acknowledgement Message
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response CPDLC
FCA = Facilities Contact Advisory
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FCP = Facilities Contact Response
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus the Figure of Merit code or data for navigational accuracy
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

490.0 kHz TFX Siglufjördur Radio, Iceland
Saudanes is the name of the lighthouse in that fjord ...

4209.5 kHz XVG Hai Phong Radio, Viet Nam

518.0 kHz NMO United States Coast Guard Honolulu, Hawaii
BNM = Broadcast Notice to Mariners

10093.0 kHz H09 HFDL Barrow Air, Alaska, + aircraft A6-EVJ + flight TS0124
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles

8416.5 kHz LGS Svalbard Radio, Spitsbergen, Norway
002570000 is the station's MMSI (Maritime Mobile Service Identity) code

13321.0 kHz H08 HFDL Johannesburg Air, South Africa (Republic of), + aircraft ZS-SXM + 3B-NCF + flight CPA252 + MAU14
ZUR = Zuidafrikaanse Radio = SAA Operations Control Jo'burg

486.0 kHz XSG Shanghai Radio, China
Chinese teleprinter code after Latin alphabet header

11184.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft EI-GAL + JY-AYQ + N20904 + RA73305 + flight SU1692
DS = Destination Airport
The INRANGE message announces the aircraft being within VHF range of the DS
TI2 = Terminal Information Request

11184.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft B-8577 + C-GOIR + RA73151 + flight TS0189
Fault report in XML format ...
RA73151 is yet another Airbus A350-941 aircraft of Aeroflot
leased from SMBC Aviation Capital
(= Sumitomo Mitsui Banking Corporation Japan) in Ireland
and orginally registered as VP-BXP in Bermuda
and "re-registered" (read: seized) since the start
of Putin's war against Ukraine under the new callsign series RA73...
Embarrassing, however, that these idiots forgot to re-program
the on-board data management and reporting system that still shows VP-BXP ;-)))
AAP = Aft Attendant Panel
AGM = Miscellaneous Air/Ground Message
CFB = Centralized Fault Book
CIDS = Cabin Intercommunication Data System
CMS = Cabin Management System
MDPWI = Meteorological Data - Predicted Wind for FL 380 360 341
REQPWI = Predicted Wind Request for FL 380 360 341
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

11184.0 kHz H03 HFDL Reykjavik Air, Iceland, + flight MAS4

518.0 kHz SVH Iraklion Radio, Greece

11318.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft C-FGFZ + N45956 + flight GLG162
REQPRG = Request Flight Progress Report
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAK = Facilities Acknowledgement Message
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response CPDLC
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• Air and ground end systems include
(1) Datalink Application Service Element = CPDLC
(2) Aeronautical Telecommunication Network upper layers
(3) TP4 = Transport Protocol Class 4
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

8894.0 kHz H11 HFDL Panama City Air, Panama, + aircraft N741AV + PR-YYI + flight FX1283
MDPWI = Meteorological Data - Predicted Wind for FL 390 350

8582.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil

8582.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil
BBXX AAXX = SHIP SYNOP
= WMO code form for a report of surface observation

11090.0 kHz KVM70 Honolulu Meteo, Hawaii

11090.0 kHz KVM70 Honolulu Meteo, Hawaii

11090.0 kHz KVM70 Honolulu Meteo, Hawaii
ITCZ = Inter-Tropical Convergence Zone
TD = Tropical Depression

490.0 kHz GNI Niton Radio, United Kingdom

518.0 kHz Vengurla Point Radio, India
IMD = India Meteorological Department
PWPIWPWW... = dated 02082022...
PPAA = PILOT / PILOT MOBIL / PILOT SHIP
= WMO code form for an upper-wind report

518.0 kHz XSX Chi-Lung Radio, Taiwan (Democratic Republic of China)

11318.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + flight TAM368 + TAM382

518.0 kHz JNB Naha Radio, Okinawa Island, Japan

10093.0 kHz H09 HFDL Barrow Air, Alaska, + aircraft A6-EVI + A6-EVJ + JA382A + N625UP + RA73678 + flight SIA208
Mahalo = Thank you
CFD = Centralized Fault Display
ECS = Environmental Control System
HNLOC = Honolulu Operations Control
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• Code figures for EFHK runways braking action - see e.g. here
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAK = Facilities Acknowledgement Message
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response CPDLC
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

8191.0 kHz RMP Commonwealth of Independent States Navy Kaliningrad, Russian Federation

10081.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft C-FITU + C-FRSE + CN-MAX + CN-MAY + CN-RGJ + HB-JOK + N573UP + N782AM + OH-LWR + OY-KAP + flight EI034J
AGM = Miscellaneous Air/Ground Message
CCO = Operations Control Centre
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAK = Facilities Acknowledgement Message
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response CPDLC
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

10081.0 kHz H07 HFDL Shannon Air, Ireland, + flight AIC147 + CCA581

17928.0 kHz H17 HFDL Telde Air, Canary Islands, + flight KNE111

9165.0 kHz HLL Soul Meteo, South Korea

9165.0 kHz HLL Soul Meteo, South Korea

9165.0 kHz HLL Soul Meteo, South Korea
GK2A = GEO KOMP Sat 2A = Geostationary Korea Multi Purpose Satellite

9165.0 kHz HLL Soul Meteo, South Korea
DFS = Digital Forecast System

518.0 kHz Parangipettai Radio, India
IMD = India Meteorological Department

12386.0 kHz Digital data station, Japan
32 channels + continuous pilot tone on the left ...

8927.0 kHz H16 HFDL Barrigada Air, Guam, + flight ANA224 + ANA879

8424.0 kHz SVO Olympia Radio, Athens, Greece

518.0 kHz NMW United States Coast Guard Astoria OR, United States of America
BNM = Broadcast Notice to Mariners
LA = Los Angeles
LB = Long Beach
SD = San Diego
SF = San Francisco

518.0 kHz Fuzhou Radio, China

6559.0 kHz H01 HFDL San Francisco Air CA, United States of America, + flight DAL296 + KAL017

13988.5 kHz JMH4 Tokyo Meteo, Japan

10093.0 kHz H09 HFDL Barrow Air, Alaska, + aircraft CN-RGZ + JA15KZ + N605UP + N858FD + N868FD + flight TS0862
CCO = Operations Control Centre
CFD = Centralized Fault Display
TI2 = Terminal Information Request
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

4209.5 kHz SVH Iraklion Radio, Greece
Warnings still in force - received 090300Z JUL 2022

8894.0 kHz H11 HFDL Panama City Air, Panama, + aircraft N126FE + N542LA + PR-YYD + XA-AMR + XA-VSF + 9V-SGA + flight AVA208
GOCC = Global Operations Control Center
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus the Figure of Merit code or data for navigational accuracy
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz Kao-Hsiung Radio, Taiwan (Democratic Republic of China)

8834.0 kHz H08 HFDL Johannesburg Air, South Africa (Republic of), + flight ETD43R + QTR4J

8834.0 kHz H08 HFDL Johannesburg Air, South Africa (Republic of), + aircraft A6-EIS + SU-GDA + SU-GEA + SU-GEF + flight HY0278
Corrupted parsed data ...
CFB = Centralized Fault Book
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
SDU = Satellite Data Unit
WN = Warning Number, followed by the Date-Time Group
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus the Figure of Merit code or data for navigational accuracy
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

8416.5.0 kHz NMF United States Coast Guard Boston MA, United States of America
TS = Tropical Storm

518.0 kHz United States Coast Guard Savannah GA, United States of America

490.0 (!) kHz Myeik Radio, Myanmar
MNHC = Myanmar Naval Hydrographic Centre

518.0 kHz UDN Novorossiysk Radio, Russian Federation

6450.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

8894.0 kHz H11 HFDL Panama City Air, Panama, + aircraft LV-KAN + N120FE + N576UP + XA-VSG + flight AVA023
DFB = Digital Flight Book
FSM = Flight System Message
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAK = Facilities Acknowledgement Message
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response CPDLC
FMH = Facilities Message Header = Flight Number
• Engine Cruise Report SAEZ - KJFK ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...

10063.0 kHz H11 HFDL Panama City Air, Panama, + aircraft CC-CWY + N873FD + XA-MFG + 9V-SMS + flight EVE858
SCV = Surge Control Valve
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

490.0 kHz Porto Santo Radio, Madeira

518.0 kHz ICH Italian Coast Guard La Maddalena Island, Italy

518.0 kHz ZSC Cape Town Radio, South Africa (Republic of)

16971.0 kHz JJC Kyodo Tsushin Tokyo, Japan
The second frame shows the news broadcast schedule in JST = Japan Standard Time

16971.0 kHz JJC Kyodo Tsushin Tokyo, Japan

6220.0 kHz IDN Italian Navy Napoli, Italy

9982.5 kHz KVM70 Honolulu Meteo, Hawaii
ITCZ = Inter-Tropical Convergence Zone

9982.5 kHz KVM70 Honolulu Meteo, Hawaii

7795.0 kHz JMH2 Tokyo Meteo, Japan

518.0 kHz L2T Argentinian Coast Guard Mar del Plata, Argentina

12750.0 kHz NMF United States Coast Guard Boston MA, United States of America
NCEP = National Centers for Environmental Prediction

12750.0 kHz NMF United States Coast Guard Boston MA, United States of America
NCEP = National Centers for Environmental Prediction

12750.0 kHz NMF United States Coast Guard Boston MA, United States of America
NCEP = National Centers for Environmental Prediction

8894.0 kHz H11 HFDL Panama City Air, Panama, + flight LAN622

518.0 kHz UFO Kholmsk Radio FE, Russian Federation

4209.5 kHz XVG Hai Phong Radio, Viet Nam

518.0 kHz VCG Canadian Coast Guard Moisie QUE, Canada

19448.5 kHz Digital data station

13882.5 kHz DDK6 Hamburg Meteo, Germany

12412.5 kHz NOJ United States Coast Guard Kodiak, Alaska

518.0 kHz JNL Otaru Radio, Japan

12412.5 kHz NOJ United States Coast Guard Kodiak, Alaska

12412.5 kHz NOJ United States Coast Guard Kodiak, Alaska
NCEP = National Centers for Environmental Prediction

12412.5 kHz NOJ United States Coast Guard Kodiak, Alaska
NCEP = National Centers for Environmental Prediction

10093.0 kHz H09 HFDL Barrow Air, Alaska, + aircraft RA73708 + flight SU1506 + SU1769
AEVC = Avionics Equipment Ventilation Computer
CFB = Centralized Fault Book
CFDS = Centralized Fault Display System
CIDS = Cabin Intercommunication Data System
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
MDDU = Multipurpose Disk Drive Unit
OBRM = On Board Replaceable Module
• Engine Cruise Report UUEE - USPP ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...

518.0 kHz SVL Limnos Radio, Greece

518.0 kHz LGT Tjoeme Radio, Norway

518.0 kHz TAH Istanbul Radio, Turkey

518.0 kHz IQM Mondolfo Radio, Italy

22448.8 kHz FUV French Navy Jibuti, Djibouti
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

518.0 kHz UUI Odessa Radio, Ukraine
Warnings still in force - received 170230Z APR 2022

518.0 kHz 5BA Nicosia Radio, Cyprus
JRCC = Joint Rescue Coordination Centre

16959.8 kHz FUJ French Navy Noumea, New Caledonia
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

8486.3 kHz CTA Portuguese Navy Lisbon, Portugal

490.0 kHz EAL Las Palmas Radio, Canary Islands

490.0 kHz SVK Kerkyra Radio, Greece

490.0 kHz IGS Piombino Radio, Italy

21949.0 kHz H08 HFDL Johannesburg Air, South Africa (Republic of), + aircraft 5A-ONA + 5A-ONJ + flight PR0684 + WB0020 + 4Y0093
AFS = Auto Flight System
ATSU = Air Traffic Service Unit
CFB = Centralized Fault Book
CFDS = Centralized Fault Display System
CIDS = Cabin Intercommunication Data System
DA = Departure Airport
DM = Time Stamp
DMU = Data Management Unit
DS = Destination Airport
ECAM = Electronic Centralized Aircraft Monitoring
ECU = Electronic Control Unit
EIU = Engine Interface Unit
FADEC = Full Authority Digital Engine Control
FDIU =Flight Data Interface Unit
FLR = Failure
FWC = Flight Warning Computer
FR = Fault Report, followed by the Date-Time Group
PRAM = Pre-Recorded Announcements and Music
QAR = Quick Access Recording
SDCU = Smoke Detect Control Unit
SDF = Smoke Detection Function
WN = Warning Number, followed by the Date-Time Group

21949.0 kHz H08 HFDL Johannesburg Air, South Africa (Republic of), + aircraft D-AXGB + RA73728 + RA73835 + VP-BAZ + 9XR-WQ + flight QR0833
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
AFS = Auto Flight System
ATSU = Air Traffic Service Unit
CFDS = Centralized Fault Display System
ECAM = Electronic Centralized Aircraft Monitoring
EIS = Electronic Instrument System
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
MCDU = Multi-Function Control Display Unit
TCAS = Traffic Alert and Collision Avoidance System
WN = Warning Number, followed by the Date-Time Group

8416.5 kHz NMC United States Coast Guard San Francisco CA, United States of America

8658.0 kHz JFX Kagoshima Fisheries Radio, Japan
Navigational warnings for NAVAREAs 10 and 11
The date reads 4 4 9 = 2022 April 9
since the Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year

12668.3 kHz FUG French Navy Saissac, France

518.0 kHz PBK Netherlands Coast Guard Ijmuiden, Netherlands
TSS = Traffic Separation Scheme

518.0 kHz GPK Portpatrick Radio, United Kingdom

7795.0 kHz JMH2 Tokyo Meteo, Japan

7795.0 kHz JMH2 Tokyo Meteo, Japan

17615.0 RCV Commonwealth of Independent States Navy Sevastopol', Ukraine

518.0 kHz VOK Canadian Coast Guard Cartwright NFLD, Canada

518.0 kHz 9VG Singapore Radio, Singapore
SPOCC = Singapore Port Operations Control Centre

518.0 kHz Kyaukphyu Radio, Myanmar

11086.5 kHz GYA Royal Navy London, United Kingdom

518.0 kHz EAR La Coruna Radio, Spain

16907.5 kHz JFA Funabashi Fisheries Radio, Japan
The date reads 4 3 18 = 2022 March 18
since the Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year

518.0 kHz LFO Oerlandet Radio, Norway

518.0 kHz RFA Astrakhan Radio, Russian Federation
VTS = Vessel Traffic Service

518.0 kHz LGQ Rogaland Radio, Norway

11017.7 kHz Digital data station

10081.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft CS-TKQ + EI-EJL + OY-KAM + 5-LAP + 5A-WLA + flight HY9619
CFB = Centralized Fault Book
CFDS = Centralized Fault Display System
CIDS = Cabin Intercommunication Data System
DAR = Data Access Recorder
ECAM = Electronic Centralized Aircraft Monitoring
FCOM = Flight Crew Operation Manual
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
REQPWI = Predicted Wind Request for FL 360 370 380
SGH = Stockholm Ground Handling
STOOPSK = Stockholm Operations Scandinavian Airlines
TPIS = Tire Pressure Indicator System
WN = Warning Number, followed by the Date-Time Group
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles each
• The CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• The codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• The codes of ACARS Message Labels can be found here

518.0 kHz SUH Alexandria Radio, Egypt
BA = British Admiralty

490.0 kHz Taganrog Radio, Russian Federation

7795.0 kHz JMH2 Tokyo Meteo, Japan

8416.5 kHz NMC United States Coast Guard San Francisco CA, United States of America

518.0 kHz Sandakan Radio, Sabah, Malaysia
ROV = Remotely Operated Vehicle
Warnings still in force - received 030300Z MAR 2022

518.0 kHz L2G Argentinian Coast Guard Buenos Aires, Argentina
VS = Vessel Service

8424.0 kHz UDK Murmansk Radio, Russian Federation

518.0 kHz Bjuroklubb Radio, Sweden

518.0 kHz V5W Walvis Bay Radio, Namibia
LNW = Local Navigational Warning
Warnings still in force - received 202000Z FEB 2022

518.0 kHz Byunsan Radio, South Korea
JCS = Joint Chiefs of Staff

518.0 kHz UCV Okhotsk Radio FE, Russian Federation

518.0 kHz Izmir Radio, Turkey
Warnings still in force - received 160520Z FEB 2022

7396.9 kHz HSW64 Bangkok Meteo, Thailand

7396.9 kHz HSW64 Bangkok Meteo, Thailand

518.0 kHz OXJ Torshavn Radio, Faroe Islands, Denmark
DMI = Danish Meteorological Institute

518.0 kHz EJK Irish Coast Guard Valentia, Ireland

16559.0 kHz XSG Shanghai Radio, China
CMA = China Meteorological Administration

16559.0 kHz XSG Shanghai Radio, China
CMA = China Meteorological Administration

16559.0 kHz XSG Shanghai Radio, China
CMA = China Meteorological Administration

518.0 kHz UBE Petropavlovsk - Kamchatskiy Radio FE, Russian Federation
Africa Cape = Mys Afrika is ... the easternmost point of the Kamchatka Peninsula!

5156.8 kHz TBB Turkish Navy Ankara, Turkey

2790.8 kHz FUE French Navy Brest, France
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

7657.0 kHz RDL Commonwealth of Independent States Navy Vilyeyka, Belarus

518.0 kHz Berdyans'k Radio, Ukraine

518.0 kHz LZW Varna Radio, Bulgaria

518.0 kHz Centre Regional Operationnel de Surveillance et de Sauvetage Toulon, France

4227.5 kHz IDR Italian Navy Rome, Italy
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

518.0 kHz Gislovshammar Radio, Sweden

518.0 kHz LGP Bodoe Radio, Norway

3855.0 kHz DDH3 Hamburg Meteo, Germany

13962.5 kHz Digital data station

2610.2 kHz FUO French Navy Toulon, France
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

16971.0 kHz JJC Kyodo Tsushin Tokyo, Japan
News in Indonesian ...

4610.0 kHz GYA Royal Navy London, United Kingdom

518.0 kHz UGE Arkhangelsk Radio, Russian Federation
Warnings still in force - received 270550Z DEC 2021

7880.0 kHz DDK3 Hamburg Meteo, Germany

7880.0 kHz DDK3 Hamburg Meteo, Germany

518.0 kHz VCO Canadian Coast Guard Port Caledonia NS, Canada

518.0 kHz OXF Simiutaq Radio, Greenland
TUSASS is the new name for Tele Post Greenland

7795.0 kHz JMH2 Tokyo Meteo, Japan
TS 2122 = Tropical Storm Rai

8040.0 kHz GYA Royal Navy London, United Kingdom

6450.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

518.0 kHz VON Canadian Coast Guard Robin Hood Bay NFLD, Canada

12750.0 kHz NMF United States Coast Guard Boston MA, United States of America

5195.0 kHz DRA5 Kiel, Germany

12750.0 kHz NMF United States Coast Guard Boston MA, United States of America
NHC = National Hurricane Center

518.0 kHz Grindavik Radio, Iceland

9001.0 kHz 4XZ Israel Navy Haifa, Israel

7795.0 kHz JMH2 Tokyo Meteo, Japan

4583.0 kHz DDK2 Hamburg Meteo, Germany

8416.5 kHz UFZ Vladivostok Radio SE, Russian Federation
Warnings still in force - received 231100Z AUG 2021

518.0 kHz Grimeton Radio, Sweden

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft B-6091 + B-6410 + EP-IJA + N575UP + VP-BKP
ADIRU = Air Data Inertial Reference Unit
ADR = Air Data Reference
CFB = Centralized Fault Book
DFD = Digital Flight Data
EEC = Electronic Engine Controller
EFCS = Electronic Flight Control System
FR = Fault Report, followed by the Date-Time Group
WN = Warning Number, followed by the Date-Time Group

16067.7 kHz Ministry of Foreign Affairs Cairo, Egypt
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

21866.0 kHz FC6FEM Federal Emergency Management Agency Denton TX, United States of America
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

12711.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil

16559.0 kHz XSG Shanghai Radio, China
CMA = China Meteorological Administration

12235.0 kHz 7CB Indonesian Navy Belawan, Indonesia

16023.7 kHz Egyptian Embassy Washington DC, United States of America, to Ministry of Foreign Affairs Cairo, Egypt

7778.7 kHz 44406 Egyptian Embassy Delhi, India, to 99904 Ministry of Foreign Affairs Cairo, Egypt

4233.0 kHz Fully automatic frequency step mode monitoring
with continuous classification of digital data signals
on a remote receiver abroad

State-of-the-art digital data signals have been tested since 2013
by innovative broadcast stations such as the Voice of America ...
Here's a 6067.1 kHz MFSK-16 emission on the lower sideband
of AM station Channel 292 transmitting both sidebands
± 2900 Hz from the carrier frequency 6070.0 kHz
New 202^3 edition of our Perseus Frequency Database
now shows utility stations' callsigns as well!

8454.8 kHz FUG French Navy Saissac, France
New 2023 edition of our Perseus Frequency Database
now shows utility stations' callsigns as well!

6095.0 kHz Broadcast (!) radio station KBC, Netherlands via Germany
testing state-of-the-art digital data signals
such as parallel MFSK emissions on 6093.5 and 6096.5 kHz
i.e. on both sidebands ± 1500 Hz from the carrier frequency 6095.0 kHz
New 2023 edition of our Perseus Frequency Database
now shows utility stations' callsigns as well!

18529.5 kHz 7RV50 Algerian Embassy Moscow, Russian Federation, to 7RQ20 Ministry of Foreign Affairs El Djaza'ir, Algeria

18063.3 kHz RC2JAL International Committee of the Red Cross Jalalabad, Afghanistan, via MB1TBI International Committee of the Red Cross Tbilisi, Georgia, to RC2KAB International Committee of the Red Cross Kabul, Afghanistan

13973.0 kHz RC2PES International Committee of the Red Cross Peshawar, Pakistan, via MB1TBI International Committee of the Red Cross Tbilisi, Georgia, to RC2MAZ International Committee of the Red Cross Mazar-e Sherif, Afghanistan