Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

789239

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-LDP · AIRBUS A-330-200

Hex
789239
Octal
36111071
Decimal
7,901,753
Country
CN
Tail
B-LDP
Type
A332
No current signal · last broadcast 45m ago
Flights observed
103
Distinct callsigns
16
Country
CN
Last broadcast
45m ago

Last known position

Most recent position reported by Mode-S 789239.

Country allocation

The ICAO 24-bit address 789239 falls within the block assigned to China (CN) by ICAO Annex 10, Volume III. Every aircraft registered in China receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.

Callsign history 16 distinct

Callsign Airline Flights Last seen
AHK783 Air Hong Kong 21 2026-05-28
AHK831 Air Hong Kong 17 2026-05-25
AHK842 Air Hong Kong 15 2026-05-26
AHK129 Air Hong Kong 9 2026-05-29
AHK326 Air Hong Kong 8 2026-05-30
AHK128 Air Hong Kong 8 2026-05-28
AHK327 Air Hong Kong 7 2026-05-26
AHK782 Air Hong Kong 6 2026-05-22
AHK842D Air Hong Kong 3 2026-05-14
CPA2015 Cathay Pacific 2 2026-04-24
AHK317 Air Hong Kong 2 2026-05-29
CPA2026 Cathay Pacific 1 2026-04-24
AHK769 Air Hong Kong 1 2026-05-25
AHK768 Air Hong Kong 1 2026-05-23
AHK681 Air Hong Kong 1 2026-05-12
AHK680 Air Hong Kong 1 2026-05-11

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 AHK326 SIN → HKG May 30, 13:55 UTCMay 30, 14:15 UTC20m
2026-05-29 AHK317 HKG → SIN May 29, 23:40 UTCMay 29, 23:55 UTC15m
2026-05-29 AHK317 HKG → SIN May 29, 20:55 UTCMay 29, 21:10 UTC15m
2026-05-29 AHK129 ICN → HKG May 29, 14:40 UTCMay 29, 17:45 UTC3h 5m
2026-05-28 AHK128 HKG → ICN May 28, 19:40 UTCMay 28, 22:50 UTC3h 10m
2026-05-28 AHK783 PVG → HKG May 28, 15:50 UTCMay 28, 17:05 UTC1h 15m
2026-05-27 AHK783 PVG → HKG May 27, 20:20 UTCMay 28, 17:05 UTC20h 45m
2026-05-27 AHK326 SIN → HKG May 27, 13:40 UTCMay 27, 17:05 UTC3h 25m
2026-05-26 AHK327 HKG → SIN May 26, 22:29 UTCMay 26, 23:10 UTC40m
2026-05-26 AHK327 HKG → SIN May 26, 19:45 UTCMay 26, 20:00 UTC15m
2026-05-26 AHK842 BKK → HKG May 26, 17:09 UTCMay 26, 17:20 UTC10m
2026-05-26 AHK842 BKK → HKG May 26, 15:05 UTCMay 26, 15:39 UTC35m
2026-05-25 AHK831 HKG → BKK May 25, 21:40 UTCMay 25, 22:19 UTC40m
2026-05-25 AHK831 HKG → BKK May 25, 20:04 UTCMay 25, 20:19 UTC15m
2026-05-25 AHK769 PEK → HKG May 25, 14:05 UTCMay 25, 17:10 UTC3h 5m
2026-05-23 AHK768 HKG → PEK May 23, 19:55 UTCMay 23, 20:15 UTC20m
2026-05-23 AHK783 PVG → HKG May 23, 16:35 UTCMay 23, 16:50 UTC15m
2026-05-22 AHK782 HKG → PVG May 22, 21:15 UTCMay 23, 16:05 UTC18h 49m
2026-05-22 AHK783 PVG → HKG May 22, 16:50 UTCMay 22, 17:00 UTC10m
2026-05-21 AHK783 PVG → HKG May 21, 20:20 UTCMay 22, 16:15 UTC19h 55m
2026-05-21 AHK783 PVG → HKG May 21, 20:10 UTCMay 22, 16:15 UTC20h 5m
2026-05-21 AHK129 ICN → HKG May 21, 13:05 UTCMay 21, 16:05 UTC3h 0m
2026-05-20 AHK128 HKG → ICN May 20, 20:20 UTCMay 20, 23:25 UTC3h 5m
2026-05-19 AHK783 PVG → HKG May 19, 16:35 UTCMay 19, 16:55 UTC20m
2026-05-18 AHK782 HKG → PVG May 18, 20:05 UTCMay 19, 16:00 UTC19h 55m
2026-05-18 AHK129 ICN → HKG May 18, 15:35 UTCMay 18, 15:50 UTC15m
2026-05-18 AHK129 ICN → HKG May 18, 12:50 UTCMay 18, 15:00 UTC2h 10m
2026-05-16 AHK128 HKG → ICN May 16, 21:15 UTCMay 17, 00:20 UTC3h 5m
2026-05-15 AHK783 PVG → HKG May 15, 23:55 UTCMay 16, 17:45 UTC17h 51m
2026-05-15 AHK782 HKG → PVG May 15, 23:05 UTCMay 15, 23:20 UTC15m
2026-05-15 AHK783 PVG → HKG May 15, 15:35 UTCMay 15, 17:05 UTC1h 30m
2026-05-14 AHK783 PVG → HKG May 14, 20:20 UTCMay 15, 17:05 UTC20h 44m
2026-05-14 AHK783 PVG → HKG May 14, 20:10 UTCMay 15, 17:05 UTC20h 54m
2026-05-14 AHK842D BKK → HKG May 14, 07:05 UTCMay 14, 07:25 UTC20m
2026-05-14 AHK842D BKK → HKG May 14, 05:00 UTCMay 14, 05:40 UTC40m
2026-05-13 AHK831 HKG → BKK May 13, 22:05 UTCMay 13, 22:45 UTC40m
2026-05-13 AHK831 HKG → BKK May 13, 20:15 UTCMay 13, 20:30 UTC15m
2026-05-13 AHK783 PVG → HKG May 13, 15:35 UTCMay 13, 17:05 UTC1h 30m
2026-05-12 AHK783 PVG → HKG May 12, 20:20 UTCMay 13, 17:05 UTC20h 45m
2026-05-12 AHK681 TPE → HKG May 12, 15:20 UTCMay 12, 16:50 UTC1h 30m
2026-05-11 AHK680 HKG → TPE May 11, 21:00 UTCMay 11, 22:15 UTC1h 15m
2026-05-11 AHK326 SIN → HKG May 11, 17:00 UTCMay 11, 17:25 UTC25m
2026-05-11 AHK326 SIN → HKG May 11, 14:05 UTCMay 11, 14:25 UTC20m
2026-05-09 AHK327 HKG → SIN May 9, 23:50 UTCMay 10, 00:05 UTC15m
2026-05-09 AHK327 HKG → SIN May 9, 21:09 UTCMay 9, 21:25 UTC15m
2026-05-09 AHK842 BKK → HKG May 9, 17:30 UTCMay 9, 17:35 UTC5m
2026-05-09 AHK842 BKK → HKG May 9, 15:25 UTCMay 9, 16:05 UTC40m
2026-05-08 AHK831 HKG → BKK May 8, 22:35 UTCMay 8, 23:20 UTC45m
2026-05-08 AHK831 HKG → BKK May 8, 20:50 UTCMay 8, 21:10 UTC20m
2026-05-08 AHK129 ICN → HKG May 8, 14:00 UTCMay 8, 17:20 UTC3h 20m

About Mode-S

A Mode-S transponder code (also called an "ICAO 24-bit address" or "hex code") is a 6-character hexadecimal identifier permanently assigned to an aircraft when it's first registered. Unlike callsigns (which change with each flight) or registrations (which can change if an aircraft is sold internationally), the Mode-S address stays with the airframe for the life of the aircraft in that country.

Every ADS-B transmission from an aircraft includes its Mode-S address, making it the most reliable way to identify a specific airframe. Flight-tracking services like Apparatus use the Mode-S address as the primary key for tying position broadcasts, callsigns, and ownership records together.

Prefer a tail-number view? See the B-LDP page for operator, model, and routing details .

Mode-S 789239 frequently asked

What is Mode-S code 789239?
789239 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-LDP.
Where is Mode-S 789239 registered?
Mode-S code 789239 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 789239 broadcasting right now?
No active broadcast right now. Last signal was 45m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 789239, octal 36111071, decimal 7,901,753.
What flights does 789239 operate?
Mode-S 789239 has broadcast 16 distinct callsigns, including AHK783, AHK831, AHK842, AHK129, AHK326.