Apparatus

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sensors Mode-S transponder

789266

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-HPP · AIRBUS A-321neo

Hex
789266
Octal
36111146
Decimal
7,901,798
Country
CN
Tail
B-HPP
Type
A21N
No current signal · last broadcast Jul 25, 13:40 UTC
Flights observed
381
Distinct callsigns
20
Country
CN
Last broadcast
Jul 25, 13:40 UTC

Last known position

Most recent position reported by Mode-S 789266.

Country allocation

The ICAO 24-bit address 789266 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
CPA563 Cathay Pacific 22 2026-07-25
CPA513 Cathay Pacific 18 2026-07-20
CPA730 - 15 2026-07-01
CPA532 Cathay Pacific 13 2026-07-24
CPA729 - 12 2026-06-30
CPA512 Cathay Pacific 12 2026-07-20
CPA774 - 10 2026-07-14
CPA751 - 10 2026-07-03
CPA708 - 10 2026-07-03
CPA569 - 8 2026-07-06
CPA916 Cathay Pacific 7 2026-07-21
CPA778 - 7 2026-07-17
CPA717 - 7 2026-07-14
CPA598 - 7 2026-07-06
CPA396 - 7 2026-07-09
CPA313 - 7 2026-07-12
CPA310 - 7 2026-07-12
CPA307 - 7 2026-07-09
CPA917 Cathay Pacific 6 2026-07-22
CPA775 - 6 2026-07-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CPA942 HKG → XIY Jul 25, 13:25 UTCJul 25, 13:40 UTC15m
2026-07-25 CPA563 NGO → HKG Jul 25, 01:25 UTCJul 25, 04:55 UTC3h 30m
2026-07-24 CPA532 HKG → NGO Jul 24, 08:45 UTCJul 24, 11:50 UTC3h 5m
2026-07-24 CPA309 CSX → HKG Jul 24, 01:35 UTCJul 24, 05:50 UTC4h 15m
2026-07-23 CPA395 PEK → HKG Jul 23, 19:30 UTCJul 23, 22:35 UTC3h 5m
2026-07-23 CPA340 HKG → PEK Jul 23, 14:10 UTCJul 23, 14:25 UTC15m
2026-07-23 CPA955 NGB → HKG Jul 23, 08:30 UTCJul 23, 09:10 UTC40m
2026-07-23 CPA956 HKG → NGB Jul 23, 03:35 UTCJul 23, 05:05 UTC1h 30m
2026-07-23 CPA933 XIY → HKG Jul 23, 01:35 UTCJul 23, 01:55 UTC20m
2026-07-22 CPA942 HKG → XIY Jul 22, 13:50 UTCJul 22, 14:15 UTC25m
2026-07-22 CPA917 TFU → HKG Jul 22, 02:05 UTCJul 22, 02:30 UTC25m
2026-07-21 CPA916 HKG → TFU Jul 21, 11:35 UTCJul 21, 11:50 UTC15m
2026-07-21 CPA956 HKG → NGB Jul 21, 03:40 UTCJul 21, 09:45 UTC6h 5m
2026-07-21 CPA933 XIY → HKG Jul 21, 01:25 UTCJul 21, 01:50 UTC25m
2026-07-20 CPA942 HKG → XIY Jul 20, 12:45 UTCJul 20, 13:00 UTC15m
2026-07-20 CPA513 FUK → HKG Jul 20, 05:20 UTCJul 20, 08:10 UTC2h 50m
2026-07-20 CPA512 HKG → FUK Jul 20, 03:10 UTCJul 20, 03:30 UTC20m
2026-07-20 CPA512 HKG → FUK Jul 20, 00:45 UTCJul 20, 02:10 UTC1h 25m
2026-07-19 CPA427 ICN → HKG Jul 19, 17:05 UTCJul 19, 20:10 UTC3h 5m
2026-07-19 CPA426 HKG → ICN Jul 19, 12:30 UTCJul 19, 15:30 UTC3h 0m
2026-07-19 CPA947 XIY → HKG Jul 19, 10:10 UTCJul 19, 10:40 UTC30m
2026-07-19 CPA946 - Jul 19, 03:35 UTCJul 19, 03:50 UTC15m
2026-07-19 CPA933 XIY → HKG Jul 19, 01:15 UTCJul 19, 01:45 UTC30m
2026-07-18 CPA942 - Jul 18, 12:40 UTCJul 18, 13:00 UTC20m
2026-07-18 CPA309 - Jul 18, 05:10 UTCJul 18, 05:50 UTC40m
2026-07-18 CPA330 - Jul 18, 01:30 UTCJul 18, 01:50 UTC20m
2026-07-17 CPA778 - Jul 17, 14:35 UTCJul 17, 14:55 UTC20m
2026-07-17 CPA773 - Jul 17, 09:10 UTCJul 17, 12:45 UTC3h 35m
2026-07-17 CPA773 - Jul 17, 07:14 UTCJul 17, 07:25 UTC10m
2026-07-17 CPA563 - Jul 17, 02:45 UTCJul 17, 04:54 UTC2h 10m
2026-07-17 CPA563 - Jul 17, 01:29 UTCJul 17, 01:39 UTC10m
2026-07-16 CPA532 - Jul 16, 08:45 UTCJul 16, 12:14 UTC3h 30m
2026-07-15 CPA304 - Jul 15, 13:00 UTCJul 16, 02:35 UTC13h 35m
2026-07-15 CPA443 TPE → HKG Jul 15, 08:45 UTCJul 15, 10:20 UTC1h 35m
2026-07-15 CPA400 HKG → TPE Jul 15, 06:05 UTCJul 15, 07:40 UTC1h 35m
2026-07-15 CPA917 - Jul 15, 02:05 UTCJul 15, 02:45 UTC40m
2026-07-14 CPA916 - Jul 14, 11:40 UTCJul 14, 11:55 UTC15m
2026-07-14 CPA774 - Jul 14, 08:40 UTCJul 14, 09:05 UTC25m
2026-07-14 CPA774 - Jul 14, 06:20 UTCJul 14, 06:40 UTC20m
2026-07-14 CPA717 - Jul 14, 04:10 UTCJul 14, 04:20 UTC10m
2026-07-14 CPA717 - Jul 14, 01:55 UTCJul 14, 02:15 UTC20m
2026-07-13 CPA395 - Jul 13, 19:35 UTCJul 13, 22:25 UTC2h 50m
2026-07-13 CPA340 - Jul 13, 14:25 UTCJul 13, 14:45 UTC20m
2026-07-13 CPA513 - Jul 13, 07:50 UTCJul 13, 09:40 UTC1h 50m
2026-07-13 CPA513 - Jul 13, 06:35 UTCJul 13, 06:45 UTC10m
2026-07-13 CPA512 - Jul 13, 03:05 UTCJul 13, 04:05 UTC1h 0m
2026-07-13 CPA512 - Jul 13, 00:35 UTCJul 13, 02:05 UTC1h 30m
2026-07-12 CPA313 - Jul 12, 10:10 UTCJul 12, 10:25 UTC15m
2026-07-12 CPA310 - Jul 12, 06:20 UTCJul 12, 06:30 UTC10m
2026-07-12 CPA917 - Jul 12, 01:55 UTCJul 12, 02:25 UTC30m

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

Mode-S 789266 frequently asked

What is Mode-S code 789266?
789266 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-HPP.
Where is Mode-S 789266 registered?
Mode-S code 789266 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 789266 broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 13:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 789266, octal 36111146, decimal 7,901,798.
What flights does 789266 operate?
Mode-S 789266 has broadcast 20 distinct callsigns, including CPA563, CPA513, CPA730, CPA532, CPA729.