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sensors Mode-S transponder

780AAD

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-LRJ · AIRBUS A-350-900

Hex
780AAD
Octal
36005255
Decimal
7,867,053
Country
CN
Tail
B-LRJ
Type
A359
No current signal · last broadcast Jul 26, 19:50 UTC
Flights observed
263
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 19:50 UTC

Last known position

Most recent position reported by Mode-S 780AAD.

Country allocation

The ICAO 24-bit address 780AAD 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
CPA383 - 17 2026-07-18
CPA382 - 14 2026-07-19
CPA184 Cathay Pacific 10 2026-07-21
CPA113 - 9 2026-07-05
CPA734 - 8 2026-07-07
CPA315 - 8 2026-06-30
CPA275 Cathay Pacific 8 2026-06-05
CPA739 - 7 2026-07-07
CPA294 Cathay Pacific 7 2026-06-06
CPA256 - 7 2026-06-24
CPA198 - 7 2026-07-06
CPA150 - 7 2026-07-14
CPA143 Cathay Pacific 7 2026-07-20
CPA372 - 6 2026-07-01
CPA321 - 6 2026-07-08
CPA259 Cathay Pacific 6 2026-06-26
CPA239 Cathay Pacific 6 2026-06-24
CPA749 Cathay Pacific 5 2026-07-26
CPA527 Cathay Pacific 5 2026-06-11
CPA237 Cathay Pacific 5 2026-05-03

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CPA749 HKG → JNB Jul 26, 19:25 UTCJul 26, 19:50 UTC25m
2026-07-26 CPA749 HKG → JNB Jul 26, 17:30 UTCJul 26, 17:40 UTC10m
2026-07-24 CPA162 SYD → HKG Jul 24, 00:30 UTCJul 24, 09:30 UTC9h 0m
2026-07-23 CPA161 HKG → SYD Jul 23, 14:05 UTCJul 23, 22:25 UTC8h 20m
2026-07-22 CPA821 YYZ → HKG Jul 22, 15:00 UTCJul 23, 05:50 UTC14h 50m
2026-07-21 CPA820 HKG → YYZ Jul 21, 20:25 UTCJul 22, 10:25 UTC14h 0m
2026-07-21 CPA184 PER → HKG Jul 21, 07:15 UTCJul 21, 07:40 UTC25m
2026-07-21 CPA184 PER → HKG Jul 21, 00:20 UTCJul 21, 05:35 UTC5h 15m
2026-07-20 CPA143 HKG → PER Jul 20, 15:30 UTCJul 20, 22:35 UTC7h 5m
2026-07-19 CPA382 - Jul 19, 12:55 UTCJul 20, 00:05 UTC11h 10m
2026-07-18 CPA383 - Jul 18, 21:55 UTCJul 19, 05:50 UTC7h 55m
2026-07-18 CPA383 - Jul 18, 16:40 UTCJul 18, 16:50 UTC10m
2026-07-18 CPA716 - Jul 18, 13:30 UTCJul 18, 13:50 UTC20m
2026-07-18 CPA716 - Jul 18, 10:25 UTCJul 18, 10:55 UTC30m
2026-07-18 CPA791 HKG → SIN Jul 18, 07:05 UTCJul 18, 07:35 UTC30m
2026-07-18 CPA791 HKG → SIN Jul 18, 04:30 UTCJul 18, 04:45 UTC15m
2026-07-17 CPA748 JNB → HKG Jul 17, 21:50 UTCJul 17, 22:05 UTC15m
2026-07-17 CPA748 JNB → HKG Jul 17, 09:45 UTCJul 17, 19:20 UTC9h 35m
2026-07-16 CPA749 - Jul 16, 19:50 UTCJul 17, 05:50 UTC10h 0m
2026-07-16 CPA749 - Jul 16, 17:30 UTCJul 16, 17:40 UTC10m
2026-07-15 CPA382 - Jul 15, 22:10 UTCJul 15, 22:50 UTC40m
2026-07-15 CPA382 - Jul 15, 11:55 UTCJul 15, 15:25 UTC3h 30m
2026-07-14 CPA383 - Jul 14, 21:40 UTCJul 15, 05:20 UTC7h 39m
2026-07-14 CPA383 - Jul 14, 16:40 UTCJul 14, 17:00 UTC20m
2026-07-14 CPA150 BNE → HKG Jul 14, 02:55 UTCJul 14, 11:10 UTC8h 15m
2026-07-13 CPA165 - Jul 13, 16:25 UTCJul 14, 00:30 UTC8h 5m
2026-07-13 CPA902 MNL → HKG Jul 13, 12:40 UTCJul 13, 14:25 UTC1h 45m
2026-07-13 CPA903 - Jul 13, 09:10 UTCJul 13, 11:00 UTC1h 50m
2026-07-12 CPA134 - Jul 12, 21:45 UTCJul 13, 06:30 UTC8h 45m
2026-07-12 CPA135 HKG → MEL Jul 12, 11:20 UTCJul 12, 19:50 UTC8h 30m
2026-07-12 CPA461 - Jul 12, 05:40 UTCJul 12, 05:55 UTC15m
2026-07-12 CPA461 - Jul 12, 04:40 UTCJul 12, 05:05 UTC25m
2026-07-12 CPA466 HKG → TPE Jul 12, 01:45 UTCJul 12, 03:20 UTC1h 35m
2026-07-11 CPA150 - Jul 11, 10:25 UTCJul 11, 10:45 UTC20m
2026-07-11 CPA150 - Jul 11, 02:30 UTCJul 11, 09:35 UTC7h 5m
2026-07-10 CPA165 - Jul 10, 16:35 UTCJul 11, 00:25 UTC7h 51m
2026-07-09 CPA318 BCN → HKG Jul 9, 11:30 UTCJul 9, 22:45 UTC11h 15m
2026-07-08 CPA321 - Jul 8, 22:10 UTCJul 9, 06:20 UTC8h 10m
2026-07-08 CPA321 - Jul 8, 17:05 UTCJul 8, 17:25 UTC20m
2026-07-08 CPA367 HKG → HKG Jul 8, 02:05 UTCJul 8, 08:35 UTC6h 30m
2026-07-07 CPA734 - Jul 7, 12:45 UTCJul 7, 13:05 UTC20m
2026-07-07 CPA734 - Jul 7, 09:20 UTCJul 7, 09:55 UTC35m
2026-07-07 CPA739 - Jul 7, 04:40 UTCJul 7, 07:50 UTC3h 10m
2026-07-06 CPA198 - Jul 6, 01:45 UTCJul 6, 12:50 UTC11h 5m
2026-07-05 CPA113 - Jul 5, 14:50 UTCJul 5, 23:40 UTC8h 50m
2026-07-05 CPA113 - Jul 5, 13:45 UTCJul 5, 14:05 UTC20m
2026-07-05 CPA110 - Jul 5, 07:10 UTCJul 5, 07:35 UTC25m
2026-07-04 CPA110 - Jul 4, 22:40 UTCJul 5, 06:15 UTC7h 35m
2026-07-04 CPA111 - Jul 4, 12:10 UTCJul 4, 20:50 UTC8h 40m
2026-07-04 CPA162 SYD → HKG Jul 4, 00:50 UTCJul 4, 10:10 UTC9h 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-LRJ page for operator, model, and routing details .

Mode-S 780AAD frequently asked

What is Mode-S code 780AAD?
780AAD is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-LRJ.
Where is Mode-S 780AAD registered?
Mode-S code 780AAD is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780AAD broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 19:50 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780AAD, octal 36005255, decimal 7,867,053.
What flights does 780AAD operate?
Mode-S 780AAD has broadcast 20 distinct callsigns, including CPA383, CPA382, CPA184, CPA113, CPA734.