Apparatus

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sensors Mode-S transponder

780AB6

ICAO 24-bit transponder address · allocated to China

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

Hex
780AB6
Octal
36005266
Decimal
7,867,062
Country
CN
Tail
B-LRK
Type
A359
No current signal · last broadcast Jul 26, 19:55 UTC
Flights observed
311
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 19:55 UTC

Last known position

Most recent position reported by Mode-S 780AB6.

Country allocation

The ICAO 24-bit address 780AB6 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
CPA134 Cathay Pacific 18 2026-07-24
CPA749 Cathay Pacific 17 2026-07-24
CPA748 Cathay Pacific 17 2026-07-26
CPA275 Cathay Pacific 13 2026-07-21
CPA527 Cathay Pacific 11 2026-07-22
CPA652 - 10 2026-07-08
CPA135 Cathay Pacific 10 2026-07-23
CPA161 - 9 2026-06-12
CPA162 - 8 2026-06-13
CPA691 - 7 2026-07-08
CPA294 - 7 2026-07-21
CPA157 - 7 2026-06-30
CPA110 - 7 2026-07-05
CPA679 Cathay Pacific 6 2026-06-02
CPA526 Cathay Pacific 6 2026-07-22
CPA479 - 6 2026-07-03
CPA300 Cathay Pacific 6 2026-05-26
CPA256 - 6 2026-07-16
CPA156 Cathay Pacific 6 2026-06-30
CPA150 Cathay Pacific 6 2026-07-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CPA748 JNB → HKG Jul 26, 09:35 UTCJul 26, 19:55 UTC10h 20m
2026-07-24 CPA749 HKG → JNB Jul 24, 19:40 UTCJul 25, 06:10 UTC10h 30m
2026-07-24 CPA749 HKG → JNB Jul 24, 17:45 UTCJul 24, 18:00 UTC15m
2026-07-24 CPA134 MEL → HKG Jul 24, 06:25 UTCJul 24, 06:45 UTC20m
2026-07-23 CPA134 MEL → HKG Jul 23, 21:45 UTCJul 24, 05:35 UTC7h 50m
2026-07-23 CPA135 HKG → MEL Jul 23, 11:45 UTCJul 23, 19:55 UTC8h 10m
2026-07-23 CPA184 PER → HKG Jul 23, 07:40 UTCJul 23, 07:55 UTC15m
2026-07-23 CPA184 PER → HKG Jul 23, 00:25 UTCJul 23, 05:50 UTC5h 25m
2026-07-22 CPA143 HKG → PER Jul 22, 15:40 UTCJul 22, 22:35 UTC6h 55m
2026-07-22 CPA527 NRT → HKG Jul 22, 11:10 UTCJul 22, 11:15 UTC5m
2026-07-22 CPA526 HKG → NRT Jul 22, 00:50 UTCJul 22, 04:45 UTC3h 55m
2026-07-21 CPA294 - Jul 21, 11:30 UTCJul 21, 22:20 UTC10h 50m
2026-07-21 CPA275 HKG → BRU Jul 21, 01:50 UTCJul 21, 06:25 UTC4h 35m
2026-07-20 CPA275 HKG → BRU Jul 20, 17:05 UTCJul 20, 17:20 UTC15m
2026-07-20 CPA150 BNE → HKG Jul 20, 02:45 UTCJul 20, 11:00 UTC8h 15m
2026-07-19 CPA165 HKG → BNE Jul 19, 16:25 UTCJul 20, 00:35 UTC8h 10m
2026-07-18 CPA853 SEA → HKG Jul 18, 22:05 UTCJul 19, 10:45 UTC12h 40m
2026-07-18 CPA852 HKG → SEA Jul 18, 07:25 UTCJul 18, 19:30 UTC12h 5m
2026-07-17 CPA841 JFK → HKG Jul 17, 14:10 UTCJul 18, 05:35 UTC15h 26m
2026-07-16 CPA844 HKG → JFK Jul 16, 18:25 UTCJul 17, 10:15 UTC15h 50m
2026-07-16 CPA256 - Jul 16, 06:40 UTCJul 16, 07:45 UTC1h 5m
2026-07-15 CPA256 - Jul 15, 19:45 UTCJul 15, 23:55 UTC4h 10m
2026-07-15 CPA239 - Jul 15, 08:40 UTCJul 15, 17:00 UTC8h 20m
2026-07-15 CPA239 - Jul 15, 03:30 UTCJul 15, 03:50 UTC20m
2026-07-14 CPA372 - Jul 14, 11:05 UTCJul 14, 23:00 UTC11h 54m
2026-07-13 CPA315 - Jul 13, 22:05 UTCJul 14, 07:05 UTC9h 0m
2026-07-13 CPA315 - Jul 13, 16:55 UTCJul 13, 17:15 UTC20m
2026-07-13 CPA595 KIX → HKG Jul 13, 09:50 UTCJul 13, 13:00 UTC3h 10m
2026-07-13 CPA596 HKG → KIX Jul 13, 00:30 UTCJul 13, 03:55 UTC3h 25m
2026-07-12 CPA748 - Jul 12, 21:45 UTCJul 12, 21:50 UTC5m
2026-07-12 CPA748 - Jul 12, 09:45 UTCJul 12, 10:05 UTC20m
2026-07-11 CPA749 - Jul 11, 19:40 UTCJul 12, 06:15 UTC10h 35m
2026-07-11 CPA749 - Jul 11, 17:35 UTCJul 11, 17:50 UTC15m
2026-07-09 CPA841 JFK → HKG Jul 9, 14:30 UTCJul 10, 05:30 UTC15h 0m
2026-07-08 CPA844 HKG → JFK Jul 8, 18:35 UTCJul 9, 09:50 UTC15h 15m
2026-07-08 CPA652 - Jul 8, 08:10 UTCJul 8, 08:50 UTC40m
2026-07-08 CPA652 - Jul 8, 05:15 UTCJul 8, 05:40 UTC25m
2026-07-08 CPA691 - Jul 8, 03:00 UTCJul 8, 03:35 UTC35m
2026-07-08 CPA691 - Jul 8, 00:25 UTCJul 8, 00:40 UTC15m
2026-07-07 CPA294 BRU → HKG Jul 7, 11:45 UTCJul 7, 22:50 UTC11h 5m
2026-07-07 CPA275 - Jul 7, 04:10 UTCJul 7, 06:00 UTC1h 50m
2026-07-06 CPA275 - Jul 6, 16:50 UTCJul 6, 17:10 UTC20m
2026-07-05 CPA110 - Jul 5, 22:15 UTCJul 6, 07:05 UTC8h 50m
2026-07-05 CPA111 - Jul 5, 12:45 UTCJul 5, 20:15 UTC7h 30m
2026-07-05 CPA111 - Jul 5, 11:45 UTCJul 5, 12:00 UTC15m
2026-07-05 CPA758 - Jul 5, 08:55 UTCJul 5, 09:10 UTC15m
2026-07-05 CPA758 - Jul 5, 05:40 UTCJul 5, 06:05 UTC25m
2026-07-05 CPA759 - Jul 5, 03:50 UTCJul 5, 04:20 UTC30m
2026-07-05 CPA759 - Jul 5, 01:20 UTCJul 5, 01:35 UTC15m
2026-07-04 CPA216 MAN → HKG Jul 4, 21:35 UTCJul 4, 21:55 UTC20m

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

Mode-S 780AB6 frequently asked

What is Mode-S code 780AB6?
780AB6 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-LRK.
Where is Mode-S 780AB6 registered?
Mode-S code 780AB6 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780AB6 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 19:55 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780AB6, octal 36005266, decimal 7,867,062.
What flights does 780AB6 operate?
Mode-S 780AB6 has broadcast 20 distinct callsigns, including CPA134, CPA749, CPA748, CPA275, CPA527.