Apparatus

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sensors Mode-S transponder

789279

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-LDZ · AIRBUS A-330-300

Hex
789279
Octal
36111171
Decimal
7,901,817
Country
CN
Tail
B-LDZ
Type
A333
Broadcasting now · callsign AHK119 · 38,000 ft
Flights observed
85
Distinct callsigns
20
Country
CN
Last broadcast
29m ago

Current position

789279 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 789279 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 20 distinct

Callsign Airline Flights Last seen
AHK209 Air Hong Kong 12 2026-05-26
AHK208 Air Hong Kong 12 2026-05-25
AHK768 Air Hong Kong 7 2026-05-18
AHK681 Air Hong Kong 7 2026-05-20
AHK769 Air Hong Kong 6 2026-05-19
AHK561 Air Hong Kong 6 2026-05-26
AHK205 Air Hong Kong 6 2026-05-15
AHK680 Air Hong Kong 5 2026-05-19
AHK562 Air Hong Kong 4 2026-05-27
AHK204 Air Hong Kong 4 2026-05-14
AHK8076 Air Hong Kong 2 2026-04-13
AHK721 Air Hong Kong 2 2026-05-23
AHK720 Air Hong Kong 2 2026-05-21
AHK128 Air Hong Kong 2 2026-05-29
CPA2026 Cathay Pacific 1 2026-04-29
AHK842 Air Hong Kong 1 2026-05-29
AHK831 Air Hong Kong 1 2026-05-28
AHK591 Air Hong Kong 1 2026-05-15
AHK457 Air Hong Kong 1 2026-05-09
AHK456 Air Hong Kong 1 2026-05-09

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 AHK119 ICN → HKG May 30, 12:10 UTCMay 30, 12:15 UTC5m
2026-05-29 AHK128 HKG → ICN May 29, 20:35 UTCMay 29, 23:35 UTC3h 0m
2026-05-29 AHK842 BKK → HKG May 29, 15:55 UTCMay 29, 18:10 UTC2h 15m
2026-05-28 AHK831 HKG → BKK May 28, 20:20 UTCMay 28, 22:40 UTC2h 20m
2026-05-28 AHK129 ICN → HKG May 28, 13:00 UTCMay 28, 16:00 UTC3h 0m
2026-05-27 AHK128 HKG → ICN May 27, 19:50 UTCMay 27, 23:00 UTC3h 10m
2026-05-27 AHK562 SGN → HKG May 27, 17:05 UTCMay 27, 17:15 UTC10m
2026-05-26 AHK561 HKG → SGN May 26, 20:15 UTCMay 26, 20:29 UTC15m
2026-05-26 AHK209 NRT → HKG May 26, 12:40 UTCMay 26, 16:35 UTC3h 55m
2026-05-25 AHK208 HKG → NRT May 25, 19:54 UTCMay 25, 23:54 UTC4h 0m
2026-05-25 AHK562 SGN → HKG May 25, 17:15 UTCMay 25, 17:30 UTC15m
2026-05-23 AHK561 HKG → SGN May 23, 21:35 UTCMay 23, 21:50 UTC15m
2026-05-23 AHK721 CTU → HKG May 23, 17:35 UTCMay 23, 18:05 UTC30m
2026-05-21 AHK720 HKG → CTU May 21, 20:25 UTCMay 21, 20:40 UTC15m
2026-05-21 AHK209 NRT → HKG May 21, 13:10 UTCMay 21, 17:25 UTC4h 15m
2026-05-20 AHK208 HKG → NRT May 20, 20:25 UTCMay 21, 00:15 UTC3h 50m
2026-05-20 AHK681 TPE → HKG May 20, 14:35 UTCMay 20, 15:50 UTC1h 15m
2026-05-19 AHK680 HKG → TPE May 19, 20:45 UTCMay 19, 22:00 UTC1h 15m
2026-05-19 AHK769 PEK → HKG May 19, 14:15 UTCMay 19, 17:20 UTC3h 5m
2026-05-18 AHK768 HKG → PEK May 18, 19:45 UTCMay 18, 20:05 UTC20m
2026-05-18 AHK769 PEK → HKG May 18, 14:10 UTCMay 18, 17:10 UTC3h 0m
2026-05-16 AHK768 HKG → PEK May 16, 20:00 UTCMay 16, 20:15 UTC15m
2026-05-15 AHK591 HKG → PEN May 15, 20:15 UTCMay 15, 20:30 UTC15m
2026-05-15 AHK205 KIX → HKG May 15, 13:50 UTCMay 15, 17:10 UTC3h 19m
2026-05-14 AHK204 HKG → KIX May 14, 19:45 UTCMay 14, 23:00 UTC3h 15m
2026-05-14 AHK769 PEK → HKG May 14, 16:10 UTCMay 14, 16:35 UTC25m
2026-05-13 AHK768 HKG → PEK May 13, 19:50 UTCMay 13, 20:10 UTC20m
2026-05-13 AHK562 SGN → HKG May 13, 17:15 UTCMay 13, 17:30 UTC15m
2026-05-12 AHK561 HKG → SGN May 12, 20:15 UTCMay 12, 20:30 UTC15m
2026-05-12 AHK769 PEK → HKG May 12, 16:25 UTCMay 12, 17:00 UTC35m
2026-05-11 AHK768 HKG → PEK May 11, 19:50 UTCMay 12, 17:00 UTC21h 10m
2026-05-11 AHK209 NRT → HKG May 11, 12:40 UTCMay 11, 17:05 UTC4h 25m
2026-05-09 AHK208 HKG → NRT May 9, 21:05 UTCMay 10, 00:45 UTC3h 40m
2026-05-09 AHK456 MNL → HKG May 9, 14:40 UTCMay 9, 16:20 UTC1h 40m
2026-05-09 AHK457 HKG → MNL May 9, 10:55 UTCMay 9, 12:35 UTC1h 40m
2026-05-08 AHK209 NRT → HKG May 8, 12:39 UTCMay 8, 16:55 UTC4h 15m
2026-05-07 AHK208 HKG → NRT May 7, 20:15 UTCMay 7, 23:59 UTC3h 44m
2026-05-07 AHK205 KIX → HKG May 7, 13:10 UTCMay 7, 16:35 UTC3h 25m
2026-05-06 AHK204 HKG → KIX May 6, 19:50 UTCMay 6, 22:30 UTC2h 40m
2026-05-06 AHK769 PEK → HKG May 6, 13:35 UTCMay 6, 16:30 UTC2h 55m
2026-05-05 AHK768 HKG → PEK May 5, 20:20 UTCMay 5, 20:40 UTC20m
2026-05-04 AHK209 NRT → HKG May 4, 12:25 UTCMay 4, 17:10 UTC4h 45m
2026-05-02 AHK208 HKG → NRT May 2, 20:35 UTCMay 3, 00:20 UTC3h 45m
2026-05-02 AHK681 TPE → HKG May 2, 14:05 UTCMay 2, 15:40 UTC1h 35m
2026-05-01 AHK680 HKG → TPE May 1, 21:20 UTCMay 1, 22:35 UTC1h 15m
2026-05-01 AHK205 KIX → HKG May 1, 14:00 UTCMay 1, 17:15 UTC3h 15m
2026-04-30 AHK204 HKG → KIX Apr 30, 19:45 UTCApr 30, 22:10 UTC2h 25m
2026-04-30 AHK205 KIX → HKG Apr 30, 13:15 UTCApr 30, 17:00 UTC3h 45m
2026-04-29 AHK204 HKG → KIX Apr 29, 20:00 UTCApr 29, 22:35 UTC2h 35m
2026-04-29 AHK681 TPE → HKG Apr 29, 15:00 UTCApr 29, 16:30 UTC1h 30m

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-LDZ page for operator, model, and routing details .

Mode-S 789279 frequently asked

What is Mode-S code 789279?
789279 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-LDZ.
Where is Mode-S 789279 registered?
Mode-S code 789279 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 789279 broadcasting right now?
Yes. Mode-S 789279 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 789279, octal 36111171, decimal 7,901,817.
What flights does 789279 operate?
Mode-S 789279 has broadcast 20 distinct callsigns, including AHK209, AHK208, AHK768, AHK681, AHK769.