sensors Mode-S transponder
7800AC
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-5382 · BOEING 737-800
- Hex
- 7800AC
- Octal
- 36000254
- Decimal
- 7,864,492
- Country
- CN
- Tail
- B-5382
- Type
- B738
- Flights observed
- 58
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 8h ago
Last known position
Country allocation
The ICAO 24-bit address 7800AC 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 |
|---|---|---|---|
| CXA8429 | Xiamen Airlines | 4 | 2026-05-27 |
| CXA885 | Xiamen Airlines | 3 | 2026-05-12 |
| CXA843 | - | 3 | 2026-05-04 |
| CXA8871 | - | 2 | 2026-04-22 |
| CXA8678 | Xiamen Airlines | 2 | 2026-04-24 |
| CXA8623 | - | 2 | 2026-04-22 |
| CXA8383 | Xiamen Airlines | 2 | 2026-04-30 |
| CXA8377 | Xiamen Airlines | 2 | 2026-04-30 |
| CXA8345 | Xiamen Airlines | 2 | 2026-04-28 |
| CXA8331 | Xiamen Airlines | 2 | 2026-04-30 |
| CXA8872 | - | 1 | 2026-04-20 |
| CXA886 | Xiamen Airlines | 1 | 2026-05-13 |
| CXA8828 | - | 1 | 2026-04-16 |
| CXA8827 | - | 1 | 2026-04-16 |
| CXA882 | - | 1 | 2026-05-30 |
| CXA881 | - | 1 | 2026-05-30 |
| CXA872 | Xiamen Airlines | 1 | 2026-05-30 |
| CXA871 | - | 1 | 2026-05-30 |
| CXA8690 | Xiamen Airlines | 1 | 2026-05-01 |
| CXA869 | Xiamen Airlines | 1 | 2026-04-18 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-30 | CXA882 | - | May 30, 11:50 UTC | May 30, 12:20 UTC | 30m |
| 2026-05-30 | CXA881 | - | May 30, 10:00 UTC | May 30, 10:30 UTC | 30m |
| 2026-05-30 | CXA872 | ICN → XMN | May 30, 04:45 UTC | May 30, 05:10 UTC | 25m |
| 2026-05-30 | CXA871 | - | May 30, 02:40 UTC | May 30, 03:20 UTC | 40m |
| 2026-05-29 | CXA8430 | KMG → FOC | May 29, 05:40 UTC | May 29, 06:05 UTC | 25m |
| 2026-05-27 | CXA8429 | FOC → KMG | May 27, 14:35 UTC | May 28, 06:15 UTC | 15h 40m |
| 2026-05-27 | CXA8429 | FOC → KMG | May 27, 05:59 UTC | May 28, 01:35 UTC | 19h 35m |
| 2026-05-27 | CXA8429 | FOC → KMG | May 27, 00:30 UTC | May 27, 14:35 UTC | 14h 6m |
| 2026-05-26 | CXA8429 | FOC → KMG | May 26, 13:54 UTC | May 27, 06:09 UTC | 16h 15m |
| 2026-05-25 | CXA8660 | - | May 25, 10:05 UTC | May 25, 11:05 UTC | 1h 0m |
| 2026-05-24 | CXA8659 | - | May 24, 13:00 UTC | May 25, 08:20 UTC | 19h 20m |
| 2026-05-24 | CXA8665 | XMN → KHH | May 24, 11:35 UTC | May 24, 12:00 UTC | 25m |
| 2026-05-23 | CXA8648 | HKG → FOC | May 23, 13:25 UTC | May 24, 08:45 UTC | 19h 20m |
| 2026-05-23 | CXA8647 | FOC → HKG | May 23, 09:40 UTC | May 23, 11:40 UTC | 2h 0m |
| 2026-05-23 | CXA8304 | SZX → CKG | May 23, 04:30 UTC | May 23, 04:40 UTC | 10m |
| 2026-05-19 | CXA8682 | MFM → XMN | May 19, 07:15 UTC | May 19, 07:30 UTC | 15m |
| 2026-05-15 | CXA8315 | HGH → HAK | May 15, 00:45 UTC | May 15, 11:50 UTC | 11h 5m |
| 2026-05-13 | CXA886 | SIN → XMN | May 13, 01:15 UTC | May 13, 01:30 UTC | 15m |
| 2026-05-12 | CXA885 | XMN → SIN | May 12, 13:45 UTC | May 12, 13:55 UTC | 10m |
| 2026-05-12 | CXA885 | XMN → SIN | May 12, 10:35 UTC | May 12, 10:55 UTC | 20m |
| 2026-05-11 | CXA885 | XMN → SIN | May 11, 13:30 UTC | May 12, 10:55 UTC | 21h 26m |
| 2026-05-06 | CXA816 | NRT → XMN | May 6, 06:05 UTC | May 6, 07:40 UTC | 1h 35m |
| 2026-05-06 | CXA815 | XMN → NRT | May 6, 03:20 UTC | May 6, 04:45 UTC | 1h 25m |
| 2026-05-05 | CXA844 | - | May 5, 19:15 UTC | May 5, 21:25 UTC | 2h 10m |
| 2026-05-04 | CXA843 | - | May 4, 23:30 UTC | May 5, 17:50 UTC | 18h 20m |
| 2026-05-04 | CXA843 | - | May 4, 21:35 UTC | May 5, 17:50 UTC | 20h 15m |
| 2026-05-04 | CXA843 | - | May 4, 17:40 UTC | May 4, 20:20 UTC | 2h 41m |
| 2026-05-01 | CXA8690 | TPE → HGH | May 1, 04:55 UTC | May 1, 05:30 UTC | 35m |
| 2026-05-01 | CXA8689 | HGH → TPE | May 1, 02:55 UTC | May 1, 03:40 UTC | 45m |
| 2026-04-30 | CXA8331 | SHA → SZX | Apr 30, 15:00 UTC | Apr 30, 15:15 UTC | 15m |
| 2026-04-30 | CXA8377 | SHA → SZX | Apr 30, 08:00 UTC | Apr 30, 08:15 UTC | 15m |
| 2026-04-30 | CXA8383 | KHN → SZX | Apr 30, 00:50 UTC | Apr 30, 01:00 UTC | 10m |
| 2026-04-28 | CXA8384 | SZX → KHN | Apr 28, 22:49 UTC | Apr 28, 23:00 UTC | 10m |
| 2026-04-28 | CXA8345 | HGH → SZX | Apr 28, 14:00 UTC | Apr 28, 14:20 UTC | 20m |
| 2026-04-26 | CXA8370 | ZUH → HGH | Apr 26, 02:40 UTC | Apr 26, 02:50 UTC | 10m |
| 2026-04-26 | CXA8369 | HGH → ZUH | Apr 26, 00:55 UTC | Apr 26, 01:15 UTC | 20m |
| 2026-04-24 | CXA8678 | KUL → HGH | Apr 24, 09:25 UTC | Apr 24, 12:10 UTC | 2h 45m |
| 2026-04-24 | CXA8678 | KUL → HGH | Apr 24, 08:10 UTC | Apr 24, 08:30 UTC | 20m |
| 2026-04-24 | CXA8677 | HGH → KUL | Apr 24, 03:15 UTC | Apr 24, 06:50 UTC | 3h 35m |
| 2026-04-22 | CXA8871 | - | Apr 22, 09:40 UTC | Apr 22, 09:50 UTC | 10m |
| 2026-04-22 | CXA8624 | - | Apr 22, 08:01 UTC | Apr 22, 08:10 UTC | 10m |
| 2026-04-22 | CXA8623 | - | Apr 22, 01:30 UTC | Apr 22, 01:40 UTC | 10m |
| 2026-04-21 | CXA8331 | SHA → SZX | Apr 21, 14:50 UTC | Apr 21, 15:15 UTC | 25m |
| 2026-04-21 | CXA8332 | SZX → SHA | Apr 21, 10:15 UTC | Apr 21, 10:25 UTC | 10m |
| 2026-04-21 | CXA8377 | SHA → SZX | Apr 21, 08:25 UTC | Apr 21, 08:45 UTC | 20m |
| 2026-04-21 | CXA8383 | KHN → SZX | Apr 21, 00:45 UTC | Apr 21, 00:55 UTC | 10m |
| 2026-04-20 | CXA8346 | SZX → HGH | Apr 20, 15:40 UTC | Apr 20, 15:50 UTC | 10m |
| 2026-04-20 | CXA8872 | - | Apr 20, 13:45 UTC | Apr 20, 13:55 UTC | 10m |
| 2026-04-20 | CXA8871 | - | Apr 20, 08:40 UTC | Apr 20, 08:50 UTC | 10m |
| 2026-04-20 | CXA8623 | - | Apr 20, 01:35 UTC | Apr 20, 01:50 UTC | 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-5382 page for operator, model, and routing details .