sensors Mode-S transponder
781113
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-7821 · BOEING 737-800
- Hex
- 781113
- Octal
- 36010423
- Decimal
- 7,868,691
- Country
- CN
- Tail
- B-7821
- Type
- B738
- Flights observed
- 30
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 4h ago
Last known position
Country allocation
The ICAO 24-bit address 781113 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 |
|---|---|---|---|
| CXA8698 | Xiamen Airlines | 3 | 2026-05-27 |
| CXA8523 | - | 3 | 2026-05-25 |
| CXA8818 | Xiamen Airlines | 2 | 2026-04-24 |
| CXA8783 | Xiamen Airlines | 2 | 2026-04-22 |
| CXA8697 | Xiamen Airlines | 2 | 2026-05-10 |
| CXA8555 | Xiamen Airlines | 2 | 2026-05-03 |
| CXA8526 | - | 2 | 2026-05-29 |
| CXA8789 | - | 1 | 2026-05-06 |
| CXA8784 | - | 1 | 2026-04-20 |
| CXA8781 | Xiamen Airlines | 1 | 2026-06-01 |
| CXA8728 | - | 1 | 2026-05-28 |
| CXA8641 | Xiamen Airlines | 1 | 2026-04-22 |
| CXA8366 | Xiamen Airlines | 1 | 2026-04-16 |
| CXA8365 | Xiamen Airlines | 1 | 2026-04-16 |
| CXA8341 | - | 1 | 2026-05-30 |
| CXA8307 | Xiamen Airlines | 1 | 2026-05-19 |
| CXA8221 | - | 1 | 2026-05-22 |
| CXA8076 | Xiamen Airlines | 1 | 2026-05-25 |
| CXA8050 | Xiamen Airlines | 1 | 2026-06-02 |
| CXA8044 | Xiamen Airlines | 1 | 2026-05-24 |
Recent flights last 30
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-02 | CXA8050 | SHE → HGH | Jun 2, 04:15 UTC | Jun 3, 00:45 UTC | 20h 30m |
| 2026-06-01 | CXA8781 | SHE → FOC | Jun 1, 00:05 UTC | Jun 1, 07:55 UTC | 7h 50m |
| 2026-05-30 | CXA8341 | - | May 30, 05:25 UTC | May 30, 09:15 UTC | 3h 50m |
| 2026-05-29 | CXA8526 | - | May 29, 10:40 UTC | May 30, 02:06 UTC | 15h 26m |
| 2026-05-28 | CXA8728 | - | May 28, 04:45 UTC | May 28, 11:35 UTC | 6h 50m |
| 2026-05-27 | CXA8698 | HAN → FOC | May 27, 14:50 UTC | May 28, 11:35 UTC | 20h 45m |
| 2026-05-25 | CXA8523 | - | May 25, 14:10 UTC | May 25, 14:40 UTC | 30m |
| 2026-05-25 | CXA8076 | CGQ → NGB | May 25, 07:20 UTC | May 25, 08:00 UTC | 40m |
| 2026-05-24 | CXA8044 | CGQ → HGH | May 24, 07:25 UTC | May 24, 08:10 UTC | 45m |
| 2026-05-22 | CXA8221 | - | May 22, 05:35 UTC | May 22, 05:45 UTC | 10m |
| 2026-05-19 | CXA8307 | XMN → SYX | May 19, 09:05 UTC | May 19, 12:40 UTC | 3h 35m |
| 2026-05-15 | CXA8526 | - | May 15, 01:35 UTC | May 15, 02:10 UTC | 35m |
| 2026-05-13 | CXA8523 | - | May 13, 05:55 UTC | May 13, 14:20 UTC | 8h 25m |
| 2026-05-11 | CXA8698 | HAN → FOC | May 11, 13:55 UTC | May 11, 14:10 UTC | 15m |
| 2026-05-10 | CXA8697 | FOC → HAN | May 10, 13:55 UTC | May 11, 03:45 UTC | 13h 50m |
| 2026-05-10 | CXA8698 | HAN → FOC | May 10, 06:35 UTC | May 10, 10:35 UTC | 4h 0m |
| 2026-05-10 | CXA8697 | FOC → HAN | May 10, 02:20 UTC | May 10, 02:34 UTC | 15m |
| 2026-05-08 | CXA8523 | - | May 8, 13:55 UTC | May 9, 04:35 UTC | 14h 40m |
| 2026-05-06 | CXA8789 | - | May 6, 01:25 UTC | May 6, 01:50 UTC | 25m |
| 2026-05-05 | - | - | May 5, 06:35 UTC | May 5, 07:10 UTC | 35m |
| 2026-05-03 | CXA8555 | PKX → PVG | May 3, 00:40 UTC | May 3, 14:55 UTC | 14h 14m |
| 2026-05-02 | CXA8555 | PKX → PVG | May 2, 14:05 UTC | May 3, 09:50 UTC | 19h 44m |
| 2026-04-24 | CXA8818 | HRB → HGH | Apr 24, 09:45 UTC | Apr 25, 02:25 UTC | 16h 40m |
| 2026-04-24 | CXA8818 | HRB → HGH | Apr 24, 00:45 UTC | Apr 24, 10:00 UTC | 9h 15m |
| 2026-04-22 | CXA8783 | FOC → HAK | Apr 22, 05:45 UTC | Apr 22, 14:50 UTC | 9h 5m |
| 2026-04-22 | CXA8641 | FOC → VTE | Apr 22, 01:00 UTC | Apr 22, 01:25 UTC | 25m |
| 2026-04-20 | CXA8784 | - | Apr 20, 14:10 UTC | Apr 20, 14:25 UTC | 15m |
| 2026-04-20 | CXA8783 | FOC → HAK | Apr 20, 11:35 UTC | Apr 20, 11:55 UTC | 20m |
| 2026-04-16 | CXA8366 | SZX → TSN | Apr 16, 12:19 UTC | Apr 16, 12:29 UTC | 10m |
| 2026-04-16 | CXA8365 | TSN → SZX | Apr 16, 10:29 UTC | Apr 16, 10:40 UTC | 10m |
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-7821 page for operator, model, and routing details .