Apparatus

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sensors Mode-S transponder

780AEC

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-2042 · BOEING 777-200LR

Hex
780AEC
Octal
36005354
Decimal
7,867,116
Country
CN
Tail
B-2042
Type
B77L
Broadcasting now · callsign CSG2692 · 33,000 ft
Flights observed
182
Distinct callsigns
20
Country
CN
Last broadcast
22m ago

Current position

780AEC is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 780AEC 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
CSG2557 - 15 2026-06-20
CSG2696 - 12 2026-07-02
CSG2531 - 12 2026-07-09
CSG2692 - 11 2026-07-14
CSG2530 - 11 2026-07-08
CSG2690 - 9 2026-07-11
CSG2529 - 9 2026-07-08
CSG2515 - 9 2026-06-19
CSG2695 - 8 2026-07-01
CSG2558 - 8 2026-06-21
CSG2532 - 7 2026-07-09
CSN5217 China Southern Airlines 6 2026-04-15
CSG2691 - 6 2026-07-13
CSG2533 - 6 2026-07-12
CSG2694 - 5 2026-07-03
CSG2693 - 5 2026-07-03
CSG2689 - 5 2026-07-11
CSG2519 - 5 2026-07-05
CSN5218 China Southern Airlines 4 2026-04-16
CSN496 - 4 2026-04-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 CSG2692 - Jul 14, 11:20 UTCJul 14, 17:00 UTC5h 40m
2026-07-13 CSG2691 - Jul 13, 23:35 UTCJul 14, 05:50 UTC6h 15m
2026-07-12 CSG2534 - Jul 12, 15:55 UTCJul 12, 18:30 UTC2h 35m
2026-07-12 CSG2533 - Jul 12, 07:15 UTCJul 12, 13:45 UTC6h 30m
2026-07-11 CSG2533 - Jul 11, 13:05 UTCJul 12, 13:01 UTC23h 55m
2026-07-11 CSG2690 - Jul 11, 11:05 UTCJul 12, 10:35 UTC23h 30m
2026-07-11 CSG2690 - Jul 11, 10:45 UTCJul 12, 07:35 UTC20h 50m
2026-07-11 CSG2689 - Jul 11, 01:00 UTCJul 11, 04:10 UTC3h 10m
2026-07-09 CSG2532 - Jul 9, 19:10 UTCJul 9, 21:45 UTC2h 35m
2026-07-09 CSG2531 - Jul 9, 10:40 UTCJul 9, 17:05 UTC6h 25m
2026-07-08 CSG2531 - Jul 8, 22:40 UTCJul 9, 17:05 UTC18h 25m
2026-07-08 CSG2530 - Jul 8, 17:05 UTCJul 9, 17:00 UTC23h 55m
2026-07-08 CSG2530 - Jul 8, 16:20 UTCJul 9, 11:05 UTC18h 45m
2026-07-08 CSG2529 - Jul 8, 07:10 UTCJul 8, 13:45 UTC6h 35m
2026-07-07 CSG2529 - Jul 7, 17:35 UTCJul 8, 13:45 UTC20h 10m
2026-07-07 CSG2692 - Jul 7, 13:05 UTCJul 8, 13:00 UTC23h 55m
2026-07-07 CSG2692 - Jul 7, 12:20 UTCJul 8, 07:30 UTC19h 10m
2026-07-07 CSG2691 - Jul 7, 02:40 UTCJul 7, 09:05 UTC6h 25m
2026-07-06 CSG2520 - Jul 6, 03:40 UTCJul 7, 03:00 UTC23h 20m
2026-07-05 CSG2520 - Jul 5, 21:50 UTCJul 6, 04:25 UTC6h 35m
2026-07-05 CSG2519 - Jul 5, 12:50 UTCJul 5, 19:35 UTC6h 45m
2026-07-04 CSG2519 - Jul 4, 23:55 UTCJul 5, 19:35 UTC19h 40m
2026-07-04 CSG2519 - Jul 4, 19:05 UTCJul 5, 19:00 UTC23h 55m
2026-07-04 CSG2532 - Jul 4, 18:30 UTCJul 5, 17:00 UTC22h 30m
2026-07-04 CSG2531 - Jul 4, 08:35 UTCJul 4, 15:25 UTC6h 50m
2026-07-03 CSG2694 - Jul 3, 13:05 UTCJul 4, 08:55 UTC19h 50m
2026-07-03 CSG2694 - Jul 3, 11:35 UTCJul 4, 08:55 UTC21h 20m
2026-07-03 CSG2693 - Jul 3, 00:20 UTCJul 3, 06:50 UTC6h 30m
2026-07-02 CSG2696 - Jul 2, 01:05 UTCJul 3, 00:40 UTC23h 35m
2026-07-01 CSG2696 - Jul 1, 19:50 UTCJul 2, 01:25 UTC5h 35m
2026-07-01 CSG2695 - Jul 1, 09:45 UTCJul 1, 16:20 UTC6h 35m
2026-06-30 CSG2695 - Jun 30, 15:25 UTCJul 1, 15:00 UTC23h 35m
2026-06-30 CSG2692 - Jun 30, 11:05 UTCJul 1, 10:10 UTC23h 5m
2026-06-30 CSG2692 - Jun 30, 10:00 UTCJun 30, 15:40 UTC5h 40m
2026-06-29 CSG2691 - Jun 29, 23:29 UTCJun 30, 05:55 UTC6h 25m
2026-06-28 CSG2534 - Jun 28, 18:00 UTCJun 29, 00:10 UTC6h 10m
2026-06-28 CSG2533 - Jun 28, 08:29 UTCJun 28, 15:24 UTC6h 55m
2026-06-27 CSG2533 - Jun 27, 17:04 UTCJun 28, 15:24 UTC22h 20m
2026-06-27 CSG2533 - Jun 27, 16:59 UTCJun 28, 14:59 UTC22h 0m
2026-06-27 CSG2533 - Jun 27, 13:04 UTCJun 28, 12:05 UTC23h 0m
2026-06-27 CSG2690 - Jun 27, 11:25 UTCJun 28, 09:15 UTC21h 50m
2026-06-27 CSG2689 - Jun 27, 00:00 UTCJun 27, 06:19 UTC6h 20m
2026-06-23 CSG2532 - Jun 23, 21:39 UTCJun 24, 03:55 UTC6h 15m
2026-06-23 CSG2531 - Jun 23, 12:29 UTCJun 23, 19:10 UTC6h 40m
2026-06-22 CSG2531 - Jun 22, 22:24 UTCJun 23, 19:10 UTC20h 45m
2026-06-22 CSG2530 - Jun 22, 17:04 UTCJun 23, 16:59 UTC23h 55m
2026-06-22 CSG2530 - Jun 22, 16:34 UTCJun 23, 13:09 UTC20h 35m
2026-06-22 CSG2529 - Jun 22, 07:19 UTCJun 22, 14:10 UTC6h 50m
2026-06-21 CSG2558 - Jun 21, 11:24 UTCJun 22, 07:40 UTC20h 15m
2026-06-21 CSG2558 - Jun 21, 09:04 UTCJun 22, 07:40 UTC22h 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-2042 page for operator, model, and routing details .

Mode-S 780AEC frequently asked

What is Mode-S code 780AEC?
780AEC is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-2042.
Where is Mode-S 780AEC registered?
Mode-S code 780AEC is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780AEC broadcasting right now?
Yes. Mode-S 780AEC is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780AEC, octal 36005354, decimal 7,867,116.
What flights does 780AEC operate?
Mode-S 780AEC has broadcast 20 distinct callsigns, including CSG2557, CSG2696, CSG2531, CSG2692, CSG2530.