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sensors Mode-S transponder

780A81

ICAO 24-bit transponder address · allocated to China

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

Hex
780A81
Octal
36005201
Decimal
7,867,009
Country
CN
Tail
B-LBG
Type
A333
No current signal · last broadcast Jul 26, 22:15 UTC
Flights observed
327
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 22:15 UTC

Last known position

Most recent position reported by Mode-S 780A81.

Country allocation

The ICAO 24-bit address 780A81 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
CPA603 - 30 2026-07-21
CPA640 Cathay Pacific 25 2026-07-21
CPA479 - 9 2026-06-23
CPA912 - 8 2026-07-12
CPA336 - 8 2026-07-20
CPA987 Cathay Pacific 7 2026-07-24
CPA986 Cathay Pacific 7 2026-07-24
CPA376 - 7 2026-06-25
CPA337 - 7 2026-07-22
CPA939 - 6 2026-07-11
CPA937 Cathay Pacific 6 2026-07-22
CPA925 Cathay Pacific 6 2026-07-25
CPA402 - 6 2026-06-23
CPA377 - 6 2026-06-25
CPA936 Cathay Pacific 5 2026-07-22
CPA449 Cathay Pacific 5 2026-07-03
CPA357 - 5 2026-06-29
CPA356 - 5 2026-07-14
CPA989 Cathay Pacific 4 2026-07-26
CPA988 Cathay Pacific 4 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CPA953 CAN → HKG Jul 26, 21:30 UTCJul 26, 22:05 UTC35m
2026-07-26 CPA950 HKG → CAN Jul 26, 18:20 UTCJul 26, 18:35 UTC15m
2026-07-26 CPA989 CAN → HKG Jul 26, 15:10 UTCJul 26, 15:40 UTC30m
2026-07-26 CPA988 HKG → CAN Jul 26, 12:35 UTCJul 26, 12:50 UTC15m
2026-07-25 CPA925 HKG → CEB Jul 25, 08:40 UTCJul 25, 16:30 UTC7h 50m
2026-07-25 CPA750 BKK → HKG Jul 25, 06:25 UTCJul 25, 06:45 UTC20m
2026-07-25 CPA750 BKK → HKG Jul 25, 04:20 UTCJul 25, 05:50 UTC1h 30m
2026-07-25 CPA705 HKG → BKK Jul 25, 01:05 UTCJul 25, 02:40 UTC1h 35m
2026-07-25 CPA705 HKG → BKK Jul 25, 00:20 UTCJul 25, 00:35 UTC15m
2026-07-24 CPA987 TFU → HKG Jul 24, 07:40 UTCJul 24, 08:10 UTC30m
2026-07-24 CPA986 HKG → TFU Jul 24, 02:15 UTCJul 24, 02:30 UTC15m
2026-07-23 CPA925 HKG → CEB Jul 23, 07:40 UTCJul 23, 14:35 UTC6h 55m
2026-07-23 CPA958 HKG → HGH Jul 23, 00:05 UTCJul 23, 05:35 UTC5h 30m
2026-07-22 CPA337 - Jul 22, 15:50 UTCJul 22, 16:10 UTC20m
2026-07-22 CPA337 - Jul 22, 13:05 UTCJul 22, 13:30 UTC25m
2026-07-22 CPA937 WUH → HKG Jul 22, 05:05 UTCJul 22, 05:25 UTC20m
2026-07-22 CPA936 HKG → WUH Jul 22, 00:35 UTCJul 22, 00:55 UTC20m
2026-07-21 CPA640 KTM → HKG Jul 21, 21:15 UTCJul 21, 21:30 UTC15m
2026-07-21 CPA640 KTM → HKG Jul 21, 17:35 UTCJul 21, 19:30 UTC1h 55m
2026-07-21 CPA603 - Jul 21, 12:05 UTCJul 21, 15:25 UTC3h 20m
2026-07-21 CPA603 - Jul 21, 11:10 UTCJul 21, 11:25 UTC15m
2026-07-21 CPA722 KUL → HKG Jul 21, 09:10 UTCJul 21, 09:30 UTC20m
2026-07-21 CPA722 KUL → HKG Jul 21, 05:55 UTCJul 21, 06:30 UTC35m
2026-07-21 CPA723 HKG → KUL Jul 21, 03:15 UTCJul 21, 03:55 UTC40m
2026-07-21 CPA723 HKG → KUL Jul 21, 00:30 UTCJul 21, 00:45 UTC15m
2026-07-20 CPA337 - Jul 20, 12:55 UTCJul 20, 16:20 UTC3h 25m
2026-07-20 CPA336 - Jul 20, 09:45 UTCJul 20, 10:00 UTC15m
2026-07-20 CPA336 - Jul 20, 07:20 UTCJul 20, 07:35 UTC15m
2026-07-20 CPA658 SIN → HKG Jul 20, 05:25 UTCJul 20, 05:45 UTC20m
2026-07-20 CPA658 SIN → HKG Jul 20, 02:05 UTCJul 20, 02:30 UTC25m
2026-07-19 CPA711 HKG → SIN Jul 19, 12:15 UTCJul 19, 12:35 UTC20m
2026-07-19 CPA711 HKG → SIN Jul 19, 09:25 UTCJul 19, 09:40 UTC15m
2026-07-18 CPA921 HKG → HKG Jul 18, 00:15 UTCJul 18, 06:30 UTC6h 16m
2026-07-17 CPA902 - Jul 17, 13:20 UTCJul 17, 15:00 UTC1h 40m
2026-07-17 CPA903 HKG → MNL Jul 17, 09:35 UTCJul 17, 11:15 UTC1h 40m
2026-07-17 CPA937 - Jul 17, 06:20 UTCJul 17, 06:50 UTC30m
2026-07-17 CPA924 - Jul 17, 01:49 UTCJul 17, 02:10 UTC20m
2026-07-16 CPA991 - Jul 16, 14:10 UTCJul 16, 14:29 UTC20m
2026-07-16 CPA990 - Jul 16, 10:15 UTCJul 16, 10:35 UTC20m
2026-07-16 CPA780 - Jul 16, 07:45 UTCJul 16, 08:05 UTC20m
2026-07-15 CPA629 - Jul 15, 08:30 UTCJul 16, 05:55 UTC21h 25m
2026-07-15 CPA906 - Jul 15, 03:05 UTCJul 15, 05:00 UTC1h 55m
2026-07-14 CPA907 HKG → MNL Jul 14, 23:30 UTCJul 15, 01:20 UTC1h 50m
2026-07-14 CPA640 - Jul 14, 17:45 UTCJul 14, 21:55 UTC4h 10m
2026-07-14 CPA603 - Jul 14, 13:40 UTCJul 14, 15:40 UTC2h 0m
2026-07-14 CPA603 - Jul 14, 11:30 UTCJul 14, 11:45 UTC15m
2026-07-14 CPA356 - Jul 14, 03:05 UTCJul 14, 08:45 UTC5h 40m
2026-07-13 CPA925 HKG → HKG Jul 13, 07:50 UTCJul 13, 14:00 UTC6h 10m
2026-07-13 CPA780 - Jul 13, 05:25 UTCJul 13, 05:40 UTC15m
2026-07-12 CPA780 - Jul 12, 08:55 UTCJul 13, 03:30 UTC18h 35m

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

Mode-S 780A81 frequently asked

What is Mode-S code 780A81?
780A81 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-LBG.
Where is Mode-S 780A81 registered?
Mode-S code 780A81 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780A81 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780A81, octal 36005201, decimal 7,867,009.
What flights does 780A81 operate?
Mode-S 780A81 has broadcast 20 distinct callsigns, including CPA603, CPA640, CPA479, CPA912, CPA336.