Apparatus

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sensors Mode-S transponder

780AEB

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-2041 · BOEING 777-200LR

Hex
780AEB
Octal
36005353
Decimal
7,867,115
Country
CN
Tail
B-2041
Type
B77L
No current signal · last broadcast Jul 26, 17:40 UTC
Flights observed
243
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 17:40 UTC

Last known position

Most recent position reported by Mode-S 780AEB.

Country allocation

The ICAO 24-bit address 780AEB 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
CSN485 China Southern Airlines 21 2026-06-16
CSN437 China Southern Airlines 21 2026-06-10
CSN438 China Southern Airlines 11 2026-06-11
CSN427 - 9 2026-06-18
CSN5229 China Southern Airlines 8 2026-06-06
CSN495 China Southern Airlines 8 2026-06-14
CSN486 - 8 2026-06-17
CSN453 - 8 2026-06-19
CSN452 China Southern Airlines 8 2026-06-12
CSN451 China Southern Airlines 8 2026-06-11
CSN5217 China Southern Airlines 7 2026-04-17
CSN496 China Southern Airlines 7 2026-06-15
CSG2532 - 7 2026-07-23
CSN435 China Southern Airlines 6 2026-04-14
CSN428 - 6 2026-06-19
CSG2531 - 6 2026-07-23
CSG2515 - 6 2026-07-24
CSN5218 China Southern Airlines 5 2026-04-18
CSN462 China Southern Airlines 5 2026-06-03
CSN461 China Southern Airlines 5 2026-06-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CSG2692 - Jul 26, 12:00 UTCJul 26, 17:40 UTC5h 40m
2026-07-25 CSG2691 - Jul 25, 23:50 UTCJul 26, 06:25 UTC6h 35m
2026-07-25 CSG2691 - Jul 25, 07:10 UTCJul 26, 06:25 UTC23h 15m
2026-07-25 CSG2516 - Jul 25, 02:50 UTCJul 26, 02:45 UTC23h 55m
2026-07-25 CSG2516 - Jul 25, 01:40 UTCJul 26, 00:20 UTC22h 40m
2026-07-24 CSG2515 - Jul 24, 16:25 UTCJul 24, 23:10 UTC6h 45m
2026-07-23 CSG2515 - Jul 23, 22:50 UTCJul 24, 22:45 UTC23h 55m
2026-07-23 CSG2532 - Jul 23, 18:50 UTCJul 24, 16:30 UTC21h 40m
2026-07-23 CSG2532 - Jul 23, 16:50 UTCJul 24, 16:30 UTC23h 40m
2026-07-23 CSG2531 - Jul 23, 06:50 UTCJul 23, 13:30 UTC6h 40m
2026-07-22 CSG2531 - Jul 22, 15:50 UTCJul 23, 13:30 UTC21h 40m
2026-07-22 CSG2696 - Jul 22, 11:10 UTCJul 23, 07:35 UTC20h 25m
2026-07-21 CSG2696 - Jul 21, 23:35 UTCJul 22, 16:30 UTC16h 55m
2026-07-20 CSG2530 - Jul 20, 16:20 UTCJul 20, 22:25 UTC6h 5m
2026-07-20 CSG2529 - Jul 20, 07:20 UTCJul 20, 14:15 UTC6h 55m
2026-07-19 CSG2692 - Jul 19, 10:50 UTCJul 20, 10:45 UTC23h 55m
2026-07-19 CSG2692 - Jul 19, 10:30 UTCJul 20, 08:05 UTC21h 35m
2026-07-19 CSG2691 - Jul 19, 03:00 UTCJul 19, 06:45 UTC3h 45m
2026-07-18 CSG2516 - Jul 18, 01:05 UTCJul 18, 03:40 UTC2h 36m
2026-07-17 CSG2515 - Jul 17, 13:29 UTCJul 17, 23:10 UTC9h 40m
2026-07-16 CSG2515 - Jul 16, 21:15 UTCJul 17, 19:49 UTC22h 35m
2026-07-16 CSG2532 - Jul 16, 15:25 UTCJul 17, 13:35 UTC22h 10m
2026-07-16 CSG2531 - Jul 16, 06:55 UTCJul 16, 13:30 UTC6h 35m
2026-07-15 CSG2531 - Jul 15, 15:40 UTCJul 16, 13:30 UTC21h 50m
2026-07-15 CSG2696 - Jul 15, 10:50 UTCJul 16, 10:25 UTC23h 35m
2026-07-15 CSG2696 - Jul 15, 10:15 UTCJul 15, 16:15 UTC6h 0m
2026-07-14 CSG2695 - Jul 14, 23:30 UTCJul 15, 05:45 UTC6h 15m
2026-07-13 CSG2530 - Jul 13, 15:45 UTCJul 13, 22:10 UTC6h 25m
2026-07-13 CSG2529 - Jul 13, 06:35 UTCJul 13, 13:15 UTC6h 40m
2026-07-12 CSG2692 - Jul 12, 10:50 UTCJul 13, 09:35 UTC22h 45m
2026-07-12 CSG2692 - Jul 12, 10:40 UTCJul 13, 07:01 UTC20h 20m
2026-07-11 CSG2691 - Jul 11, 23:25 UTCJul 12, 05:30 UTC6h 5m
2026-07-11 CSG2691 - Jul 11, 01:05 UTCJul 11, 23:45 UTC22h 40m
2026-07-10 CSG2694 - Jul 10, 16:40 UTCJul 11, 01:05 UTC8h 25m
2026-07-10 CSG2693 - Jul 10, 07:15 UTCJul 10, 13:20 UTC6h 5m
2026-07-09 CSG2518 - Jul 9, 10:50 UTCJul 10, 07:40 UTC20h 50m
2026-07-09 CSG2518 - Jul 9, 09:45 UTCJul 10, 07:40 UTC21h 55m
2026-07-09 CSG2517 - Jul 9, 00:25 UTCJul 9, 07:10 UTC6h 45m
2026-07-08 CSG2532 - Jul 8, 01:30 UTCJul 9, 00:45 UTC23h 15m
2026-07-07 CSG2532 - Jul 7, 19:45 UTCJul 8, 01:55 UTC6h 10m
2026-07-07 CSG2531 - Jul 7, 10:55 UTCJul 7, 17:45 UTC6h 50m
2026-07-06 CSG2531 - Jul 6, 18:50 UTCJul 7, 17:45 UTC22h 55m
2026-07-06 CSG2530 - Jul 6, 16:35 UTCJul 7, 11:35 UTC19h 0m
2026-07-05 CSG2534 - Jul 5, 15:10 UTCJul 6, 07:35 UTC16h 25m
2026-07-05 CSG2534 - Jul 5, 10:50 UTCJul 6, 07:35 UTC20h 45m
2026-07-05 CSG2534 - Jul 5, 09:30 UTCJul 6, 07:35 UTC22h 5m
2026-07-04 CSG2533 - Jul 4, 23:45 UTCJul 5, 06:15 UTC6h 30m
2026-07-04 CSG2516 - Jul 4, 00:55 UTCJul 4, 03:25 UTC2h 30m
2026-07-03 CSG2515 - Jul 3, 14:05 UTCJul 3, 21:00 UTC6h 55m
2026-07-02 CSG2515 - Jul 2, 21:25 UTCJul 3, 20:45 UTC23h 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-2041 page for operator, model, and routing details .

Mode-S 780AEB frequently asked

What is Mode-S code 780AEB?
780AEB is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-2041.
Where is Mode-S 780AEB registered?
Mode-S code 780AEB is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780AEB broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 17:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780AEB, octal 36005353, decimal 7,867,115.
What flights does 780AEB operate?
Mode-S 780AEB has broadcast 20 distinct callsigns, including CSN485, CSN437, CSN438, CSN427, CSN5229.