sensors Mode-S transponder
781208
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-1300 · BOEING 737-800
- Hex
- 781208
- Octal
- 36011010
- Decimal
- 7,868,936
- Country
- CN
- Tail
- B-1300
- Type
- B738
- Flights observed
- 39
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 16h ago
Last known position
Country allocation
The ICAO 24-bit address 781208 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 |
|---|---|---|---|
| CXA8781 | Xiamen Airlines | 3 | 2026-05-09 |
| CXA8309 | Xiamen Airlines | 3 | 2026-06-01 |
| CXA8698 | Xiamen Airlines | 2 | 2026-04-17 |
| CXA8526 | - | 2 | 2026-04-24 |
| CXA8366 | Xiamen Airlines | 2 | 2026-05-04 |
| CXA8365 | Xiamen Airlines | 2 | 2026-05-04 |
| CXA8315 | Xiamen Airlines | 2 | 2026-05-23 |
| CXA893 | Xiamen Airlines | 1 | 2026-05-16 |
| CXA8790 | - | 1 | 2026-04-26 |
| CXA8789 | - | 1 | 2026-04-25 |
| CXA878 | Xiamen Airlines | 1 | 2026-05-19 |
| CXA877 | Xiamen Airlines | 1 | 2026-05-19 |
| CXA8728 | - | 1 | 2026-04-14 |
| CXA8697 | Xiamen Airlines | 1 | 2026-04-17 |
| CXA8692 | - | 1 | 2026-04-28 |
| CXA8691 | - | 1 | 2026-04-28 |
| CXA8616 | - | 1 | 2026-05-17 |
| CXA860 | - | 1 | 2026-06-01 |
| CXA859 | - | 1 | 2026-06-01 |
| CXA8523 | - | 1 | 2026-04-13 |
Recent flights last 39
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-01 | CXA8309 | TAO → CSX | Jun 1, 14:15 UTC | Jun 2, 08:05 UTC | 17h 50m |
| 2026-06-01 | CXA8309 | TAO → CSX | Jun 1, 13:55 UTC | Jun 2, 08:05 UTC | 18h 10m |
| 2026-06-01 | CXA8309 | TAO → CSX | Jun 1, 10:05 UTC | Jun 2, 08:05 UTC | 22h 0m |
| 2026-06-01 | CXA860 | - | Jun 1, 08:55 UTC | Jun 2, 08:00 UTC | 23h 5m |
| 2026-06-01 | CXA859 | - | Jun 1, 05:45 UTC | Jun 1, 07:10 UTC | 1h 25m |
| 2026-05-23 | CXA8315 | HGH → HAK | May 23, 01:00 UTC | May 23, 04:00 UTC | 2h 59m |
| 2026-05-22 | CXA8315 | HGH → HAK | May 22, 04:25 UTC | May 23, 04:00 UTC | 23h 34m |
| 2026-05-21 | CXA8044 | CGQ → HGH | May 21, 06:35 UTC | May 22, 04:35 UTC | 22h 0m |
| 2026-05-19 | CXA878 | ICN → FOC | May 19, 11:45 UTC | May 19, 12:10 UTC | 25m |
| 2026-05-19 | CXA877 | FOC → ICN | May 19, 09:00 UTC | May 19, 09:30 UTC | 30m |
| 2026-05-17 | CXA8616 | - | May 17, 03:50 UTC | May 17, 04:10 UTC | 20m |
| 2026-05-16 | CXA893 | FOC → MFM | May 16, 02:10 UTC | May 16, 02:25 UTC | 15m |
| 2026-05-15 | CXA820 | MNL → XMN | May 15, 13:25 UTC | May 15, 13:55 UTC | 30m |
| 2026-05-15 | CXA819 | XMN → MNL | May 15, 10:45 UTC | May 15, 11:40 UTC | 55m |
| 2026-05-09 | CXA8781 | SHE → FOC | May 9, 23:35 UTC | May 10, 09:05 UTC | 9h 30m |
| 2026-05-09 | CXA8781 | SHE → FOC | May 9, 08:45 UTC | May 10, 04:50 UTC | 20h 5m |
| 2026-05-08 | CXA8408 | KWE → XMN | May 8, 05:00 UTC | May 8, 05:14 UTC | 15m |
| 2026-05-06 | - | - | May 6, 22:45 UTC | May 6, 22:55 UTC | 10m |
| 2026-05-04 | CXA8366 | SZX → TSN | May 4, 12:15 UTC | May 4, 12:25 UTC | 10m |
| 2026-05-04 | CXA8365 | TSN → SZX | May 4, 10:00 UTC | May 4, 10:20 UTC | 20m |
| 2026-05-03 | CXA8366 | SZX → TSN | May 3, 14:10 UTC | May 3, 14:20 UTC | 10m |
| 2026-05-03 | CXA8365 | TSN → SZX | May 3, 11:55 UTC | May 3, 12:05 UTC | 10m |
| 2026-04-29 | CXA8431 | - | Apr 29, 07:15 UTC | Apr 29, 07:24 UTC | 10m |
| 2026-04-28 | CXA8692 | - | Apr 28, 04:35 UTC | Apr 28, 04:50 UTC | 15m |
| 2026-04-28 | CXA8691 | - | Apr 28, 02:45 UTC | Apr 28, 03:10 UTC | 25m |
| 2026-04-26 | CXA8790 | - | Apr 26, 01:45 UTC | Apr 26, 08:05 UTC | 6h 20m |
| 2026-04-25 | CXA8789 | - | Apr 25, 02:05 UTC | Apr 26, 02:00 UTC | 23h 55m |
| 2026-04-24 | CXA8526 | - | Apr 24, 14:15 UTC | Apr 25, 02:25 UTC | 12h 10m |
| 2026-04-24 | CXA8076 | CGQ → NGB | Apr 24, 10:45 UTC | Apr 24, 11:15 UTC | 30m |
| 2026-04-22 | CXA8388 | SZX → HGH | Apr 22, 07:55 UTC | Apr 22, 08:05 UTC | 10m |
| 2026-04-22 | CXA8387 | HGH → SZX | Apr 22, 06:20 UTC | Apr 22, 06:35 UTC | 15m |
| 2026-04-20 | CXA8781 | SHE → FOC | Apr 20, 23:30 UTC | Apr 21, 08:45 UTC | 9h 15m |
| 2026-04-19 | CXA8397 | - | Apr 19, 00:25 UTC | Apr 19, 04:45 UTC | 4h 20m |
| 2026-04-18 | CXA8526 | - | Apr 18, 01:50 UTC | Apr 18, 02:25 UTC | 35m |
| 2026-04-17 | CXA8698 | HAN → FOC | Apr 17, 14:00 UTC | Apr 17, 14:15 UTC | 15m |
| 2026-04-17 | CXA8698 | HAN → FOC | Apr 17, 10:50 UTC | Apr 17, 11:00 UTC | 10m |
| 2026-04-17 | CXA8697 | FOC → HAN | Apr 17, 02:20 UTC | Apr 17, 02:35 UTC | 15m |
| 2026-04-14 | CXA8728 | - | Apr 14, 10:20 UTC | Apr 14, 10:35 UTC | 15m |
| 2026-04-13 | CXA8523 | - | Apr 13, 13:30 UTC | Apr 13, 14:00 UTC | 30m |
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-1300 page for operator, model, and routing details .