sensors Mode-S transponder
780051
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-5152 · BOEING 737-800
- Hex
- 780051
- Octal
- 36000121
- Decimal
- 7,864,401
- Country
- CN
- Tail
- B-5152
- Type
- B738
- Flights observed
- 56
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 33m ago
Last known position
Country allocation
The ICAO 24-bit address 780051 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 |
|---|---|---|---|
| CXA882 | - | 5 | 2026-05-25 |
| CXA881 | - | 4 | 2026-05-25 |
| CXA8019 | - | 4 | 2026-04-30 |
| CXA8695 | - | 3 | 2026-05-19 |
| CXA8020 | - | 3 | 2026-05-01 |
| CXA8827 | Xiamen Airlines | 2 | 2026-05-18 |
| CXA872 | Xiamen Airlines | 2 | 2026-05-24 |
| CXA8696 | - | 2 | 2026-05-19 |
| CXA8429 | Xiamen Airlines | 2 | 2026-05-05 |
| CXA8344 | Xiamen Airlines | 2 | 2026-05-18 |
| CXA8341 | - | 2 | 2026-05-26 |
| CXA8315 | Xiamen Airlines | 2 | 2026-05-11 |
| CXA817 | - | 2 | 2026-04-30 |
| CXA8783 | Xiamen Airlines | 1 | 2026-05-04 |
| CXA8738 | Xiamen Airlines | 1 | 2026-04-25 |
| CXA8737 | Xiamen Airlines | 1 | 2026-04-25 |
| CXA8724 | - | 1 | 2026-04-15 |
| CXA8723 | - | 1 | 2026-04-15 |
| CXA871 | - | 1 | 2026-05-24 |
| CXA860 | - | 1 | 2026-05-29 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-30 | CXA827 | XMN → MNL | May 30, 01:00 UTC | May 30, 02:15 UTC | 1h 15m |
| 2026-05-29 | CXA860 | - | May 29, 08:50 UTC | May 29, 10:20 UTC | 1h 30m |
| 2026-05-29 | CXA859 | - | May 29, 06:00 UTC | May 29, 07:25 UTC | 1h 25m |
| 2026-05-26 | CXA8341 | - | May 26, 05:45 UTC | May 26, 08:59 UTC | 3h 15m |
| 2026-05-25 | CXA8341 | - | May 25, 12:20 UTC | May 26, 08:59 UTC | 20h 39m |
| 2026-05-25 | CXA882 | - | May 25, 11:55 UTC | May 26, 08:59 UTC | 21h 5m |
| 2026-05-25 | CXA881 | - | May 25, 09:55 UTC | May 25, 10:30 UTC | 35m |
| 2026-05-24 | CXA882 | - | May 24, 12:05 UTC | May 24, 12:35 UTC | 30m |
| 2026-05-24 | CXA881 | - | May 24, 10:15 UTC | May 24, 10:50 UTC | 35m |
| 2026-05-24 | CXA872 | ICN → XMN | May 24, 06:45 UTC | May 24, 07:05 UTC | 20m |
| 2026-05-24 | CXA872 | ICN → XMN | May 24, 04:50 UTC | May 24, 05:15 UTC | 25m |
| 2026-05-24 | CXA871 | - | May 24, 01:00 UTC | May 24, 03:15 UTC | 2h 15m |
| 2026-05-22 | CXA882 | - | May 22, 12:10 UTC | May 22, 12:45 UTC | 35m |
| 2026-05-22 | CXA881 | - | May 22, 00:45 UTC | May 22, 11:00 UTC | 10h 15m |
| 2026-05-19 | CXA8696 | - | May 19, 11:20 UTC | May 20, 05:30 UTC | 18h 11m |
| 2026-05-19 | CXA8696 | - | May 19, 08:20 UTC | May 20, 05:30 UTC | 21h 11m |
| 2026-05-19 | CXA8695 | - | May 19, 08:05 UTC | May 20, 05:30 UTC | 21h 26m |
| 2026-05-19 | CXA8695 | - | May 19, 03:45 UTC | May 20, 00:45 UTC | 21h 0m |
| 2026-05-19 | CXA8695 | - | May 19, 00:45 UTC | May 19, 12:45 UTC | 12h 0m |
| 2026-05-18 | CXA8344 | SZX → HGH | May 18, 15:50 UTC | May 18, 16:00 UTC | 10m |
| 2026-05-18 | CXA8827 | XMN → ZUH | May 18, 14:10 UTC | May 18, 14:30 UTC | 20m |
| 2026-05-18 | CXA8415 | XMN → KMG | May 18, 04:45 UTC | May 18, 09:50 UTC | 5h 5m |
| 2026-05-17 | CXA8379 | TSN → SZX | May 17, 02:40 UTC | May 17, 02:50 UTC | 10m |
| 2026-05-11 | CXA8315 | HGH → HAK | May 11, 00:49 UTC | May 11, 03:45 UTC | 2h 55m |
| 2026-05-06 | CXA8426 | - | May 6, 13:45 UTC | May 6, 13:55 UTC | 10m |
| 2026-05-06 | CXA8025 | - | May 6, 00:20 UTC | May 6, 00:35 UTC | 15m |
| 2026-05-05 | CXA8429 | FOC → KMG | May 5, 00:45 UTC | May 5, 13:55 UTC | 13h 10m |
| 2026-05-04 | CXA8429 | FOC → KMG | May 4, 13:55 UTC | May 5, 06:00 UTC | 16h 6m |
| 2026-05-04 | CXA8783 | FOC → HAK | May 4, 11:05 UTC | May 4, 11:35 UTC | 30m |
| 2026-05-01 | CXA8020 | - | May 1, 06:35 UTC | May 1, 07:00 UTC | 25m |
| 2026-04-30 | CXA8019 | - | Apr 30, 10:20 UTC | May 1, 05:20 UTC | 19h 0m |
| 2026-04-30 | CXA8019 | - | Apr 30, 10:00 UTC | May 1, 05:20 UTC | 19h 20m |
| 2026-04-30 | CXA817 | - | Apr 30, 07:40 UTC | Apr 30, 08:20 UTC | 40m |
| 2026-04-29 | CXA8020 | - | Apr 29, 06:59 UTC | Apr 29, 07:15 UTC | 15m |
| 2026-04-29 | CXA8019 | - | Apr 29, 01:40 UTC | Apr 29, 05:30 UTC | 3h 50m |
| 2026-04-28 | CXA8409 | - | Apr 28, 00:25 UTC | Apr 28, 00:55 UTC | 30m |
| 2026-04-27 | CXA8020 | - | Apr 27, 06:40 UTC | Apr 27, 07:10 UTC | 30m |
| 2026-04-27 | CXA8019 | - | Apr 27, 04:30 UTC | Apr 27, 05:15 UTC | 45m |
| 2026-04-26 | CXA818 | - | Apr 26, 10:00 UTC | Apr 26, 11:10 UTC | 1h 10m |
| 2026-04-26 | CXA817 | - | Apr 26, 07:10 UTC | Apr 26, 08:15 UTC | 1h 5m |
| 2026-04-25 | CXA8738 | SHS → XMN | Apr 25, 08:40 UTC | Apr 25, 09:00 UTC | 20m |
| 2026-04-25 | CXA8737 | XMN → SHS | Apr 25, 06:55 UTC | Apr 25, 07:05 UTC | 10m |
| 2026-04-24 | CXA8344 | SZX → HGH | Apr 24, 14:10 UTC | Apr 24, 14:20 UTC | 10m |
| 2026-04-24 | CXA8827 | XMN → ZUH | Apr 24, 12:15 UTC | Apr 24, 12:40 UTC | 25m |
| 2026-04-23 | CXA8315 | HGH → HAK | Apr 23, 00:55 UTC | Apr 23, 01:15 UTC | 20m |
| 2026-04-22 | CXA8370 | ZUH → HGH | Apr 22, 03:30 UTC | Apr 22, 03:45 UTC | 15m |
| 2026-04-22 | CXA8369 | HGH → ZUH | Apr 22, 01:10 UTC | Apr 22, 01:30 UTC | 20m |
| 2026-04-21 | CXA8387 | HGH → SZX | Apr 21, 05:45 UTC | Apr 21, 06:00 UTC | 15m |
| 2026-04-16 | CXA8390 | - | Apr 16, 14:40 UTC | Apr 16, 14:50 UTC | 10m |
| 2026-04-15 | CXA8724 | - | Apr 15, 08:25 UTC | Apr 15, 08:45 UTC | 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-5152 page for operator, model, and routing details .