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
- Flights observed
- 81
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 4h ago
Current 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 |
|---|---|---|---|
| CSG2531 | - | 7 | 2026-05-21 |
| CSN5217 | China Southern Airlines | 6 | 2026-04-15 |
| CSG2696 | - | 6 | 2026-05-20 |
| CSG2690 | - | 5 | 2026-05-23 |
| CSG2530 | - | 5 | 2026-05-25 |
| CSN5218 | China Southern Airlines | 4 | 2026-04-16 |
| CSN496 | - | 4 | 2026-04-13 |
| CSG2532 | - | 4 | 2026-05-21 |
| CSN5220 | China Southern Airlines | 3 | 2026-04-15 |
| CSN495 | - | 3 | 2026-04-13 |
| CSG2697 | - | 3 | 2026-05-28 |
| CSG2695 | - | 3 | 2026-05-20 |
| CSG2689 | - | 3 | 2026-05-30 |
| CSG2529 | - | 3 | 2026-05-25 |
| CSG2518 | - | 3 | 2026-05-27 |
| CSN5213 | China Southern Airlines | 2 | 2026-04-14 |
| CSG2692 | - | 2 | 2026-05-10 |
| CSG2558 | - | 2 | 2026-05-24 |
| CSG2557 | - | 2 | 2026-05-24 |
| CSG2519 | - | 2 | 2026-05-17 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-30 | CSG2689 | - | May 30, 01:10 UTC | May 30, 02:50 UTC | 1h 40m |
| 2026-05-28 | CSG2698 | - | May 28, 14:40 UTC | May 28, 21:00 UTC | 6h 20m |
| 2026-05-28 | CSG2697 | - | May 28, 04:25 UTC | May 28, 10:20 UTC | 5h 55m |
| 2026-05-27 | CSG2697 | - | May 27, 13:05 UTC | May 28, 10:20 UTC | 21h 15m |
| 2026-05-27 | CSG2697 | - | May 27, 12:25 UTC | May 28, 10:20 UTC | 21h 55m |
| 2026-05-27 | CSG2518 | - | May 27, 09:05 UTC | May 28, 05:55 UTC | 20h 50m |
| 2026-05-27 | CSG2518 | - | May 27, 07:05 UTC | May 28, 05:55 UTC | 22h 50m |
| 2026-05-27 | CSG2518 | - | May 27, 06:55 UTC | May 28, 04:50 UTC | 21h 55m |
| 2026-05-26 | CSG2517 | - | May 26, 21:49 UTC | May 27, 04:34 UTC | 6h 45m |
| 2026-05-25 | CSG2530 | - | May 25, 20:15 UTC | May 25, 22:49 UTC | 2h 35m |
| 2026-05-25 | CSG2529 | - | May 25, 11:05 UTC | May 25, 17:55 UTC | 6h 50m |
| 2026-05-24 | CSG2529 | - | May 24, 19:05 UTC | May 25, 17:55 UTC | 22h 50m |
| 2026-05-24 | CSG2558 | - | May 24, 17:05 UTC | May 25, 17:00 UTC | 23h 55m |
| 2026-05-24 | CSG2558 | - | May 24, 16:45 UTC | May 25, 12:45 UTC | 20h 0m |
| 2026-05-24 | CSG2557 | - | May 24, 07:05 UTC | May 24, 13:25 UTC | 6h 20m |
| 2026-05-23 | CSG2557 | - | May 23, 15:30 UTC | May 24, 13:25 UTC | 21h 55m |
| 2026-05-23 | CSG2690 | - | May 23, 11:05 UTC | May 24, 10:45 UTC | 23h 40m |
| 2026-05-23 | CSG2690 | - | May 23, 10:05 UTC | May 24, 07:50 UTC | 21h 45m |
| 2026-05-22 | CSG2689 | - | May 22, 23:50 UTC | May 23, 01:45 UTC | 1h 55m |
| 2026-05-21 | CSG2532 | - | May 21, 16:25 UTC | May 21, 22:45 UTC | 6h 20m |
| 2026-05-21 | CSG2531 | - | May 21, 07:05 UTC | May 21, 13:55 UTC | 6h 50m |
| 2026-05-20 | CSG2531 | - | May 20, 13:35 UTC | May 21, 10:35 UTC | 21h 0m |
| 2026-05-20 | CSG2696 | - | May 20, 11:05 UTC | May 21, 10:35 UTC | 23h 30m |
| 2026-05-20 | CSG2696 | - | May 20, 10:25 UTC | May 21, 07:50 UTC | 21h 25m |
| 2026-05-20 | CSG2695 | - | May 20, 01:15 UTC | May 20, 07:45 UTC | 6h 31m |
| 2026-05-18 | CSG2516 | - | May 18, 21:30 UTC | May 19, 00:10 UTC | 2h 40m |
| 2026-05-18 | CSG2515 | - | May 18, 11:55 UTC | May 18, 19:00 UTC | 7h 4m |
| 2026-05-17 | CSG2515 | - | May 17, 19:05 UTC | May 18, 19:00 UTC | 23h 54m |
| 2026-05-17 | CSG2520 | - | May 17, 17:30 UTC | May 18, 17:00 UTC | 23h 30m |
| 2026-05-17 | CSG2519 | - | May 17, 07:55 UTC | May 17, 15:05 UTC | 7h 10m |
| 2026-05-16 | CSG2519 | - | May 16, 16:10 UTC | May 17, 15:01 UTC | 22h 50m |
| 2026-05-16 | CSG2690 | - | May 16, 11:05 UTC | May 17, 11:01 UTC | 23h 55m |
| 2026-05-16 | CSG2690 | - | May 16, 10:40 UTC | May 17, 08:45 UTC | 22h 5m |
| 2026-05-16 | CSG2689 | - | May 16, 01:30 UTC | May 16, 06:10 UTC | 4h 41m |
| 2026-05-14 | CSG2532 | - | May 14, 15:40 UTC | May 14, 22:00 UTC | 6h 20m |
| 2026-05-14 | CSG2531 | - | May 14, 06:45 UTC | May 14, 13:40 UTC | 6h 55m |
| 2026-05-13 | CSG2531 | - | May 13, 16:00 UTC | May 14, 13:40 UTC | 21h 40m |
| 2026-05-13 | CSG2696 | - | May 13, 11:05 UTC | May 14, 10:31 UTC | 23h 25m |
| 2026-05-13 | CSG2696 | - | May 13, 10:35 UTC | May 14, 07:30 UTC | 20h 55m |
| 2026-05-13 | CSG2695 | - | May 13, 01:10 UTC | May 13, 06:05 UTC | 4h 55m |
| 2026-05-11 | CSG2530 | - | May 11, 20:30 UTC | May 11, 22:15 UTC | 1h 45m |
| 2026-05-11 | CSG2529 | - | May 11, 10:25 UTC | May 11, 17:50 UTC | 7h 26m |
| 2026-05-10 | CSG2692 | - | May 10, 17:05 UTC | May 11, 17:00 UTC | 23h 56m |
| 2026-05-10 | CSG2692 | - | May 10, 16:30 UTC | May 11, 12:15 UTC | 19h 45m |
| 2026-05-10 | CSG2691 | - | May 10, 08:10 UTC | May 10, 13:25 UTC | 5h 15m |
| 2026-05-09 | CSG2690 | - | May 9, 10:40 UTC | May 9, 12:55 UTC | 2h 15m |
| 2026-05-07 | CSG2532 | - | May 7, 17:50 UTC | May 7, 23:55 UTC | 6h 5m |
| 2026-05-06 | CSG2696 | - | May 6, 11:05 UTC | May 7, 08:40 UTC | 21h 35m |
| 2026-05-06 | CSG2696 | - | May 6, 10:35 UTC | May 7, 08:40 UTC | 22h 5m |
| 2026-05-06 | CSG2695 | - | May 6, 01:01 UTC | May 6, 06:15 UTC | 5h 15m |
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 .