sensors Mode-S transponder
780050
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-5151 · BOEING 737-800
- Hex
- 780050
- Octal
- 36000120
- Decimal
- 7,864,400
- Country
- CN
- Tail
- B-5151
- Type
- B738
- Flights observed
- 37
- Distinct callsigns
- 19
- Country
- CN
- Last broadcast
- 1d ago
Last known position
Country allocation
The ICAO 24-bit address 780050 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 19 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| CXA883 | Xiamen Airlines | 4 | 2026-05-25 |
| CXA8704 | Xiamen Airlines | 4 | 2026-05-16 |
| CXA8405 | - | 4 | 2026-05-27 |
| CXA877 | Xiamen Airlines | 3 | 2026-05-24 |
| CXA8703 | Xiamen Airlines | 3 | 2026-05-15 |
| CXA884 | Xiamen Airlines | 2 | 2026-05-25 |
| CXA878 | Xiamen Airlines | 2 | 2026-05-24 |
| CXA8480 | Xiamen Airlines | 2 | 2026-05-19 |
| CXA828 | Xiamen Airlines | 2 | 2026-05-29 |
| CXA827 | Xiamen Airlines | 2 | 2026-05-28 |
| CXA8430 | Xiamen Airlines | 1 | 2026-04-26 |
| CXA8415 | Xiamen Airlines | 1 | 2026-05-07 |
| CXA8409 | - | 1 | 2026-04-18 |
| CXA8390 | Xiamen Airlines | 1 | 2026-05-02 |
| CXA8389 | Xiamen Airlines | 1 | 2026-05-02 |
| CXA8304 | Xiamen Airlines | 1 | 2026-04-19 |
| CXA8303 | Xiamen Airlines | 1 | 2026-04-19 |
| CXA8020 | - | 1 | 2026-04-30 |
| CXA8019 | - | 1 | 2026-04-30 |
Recent flights last 37
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | CXA828 | MNL → XMN | May 29, 04:10 UTC | May 29, 04:40 UTC | 30m |
| 2026-05-28 | CXA827 | XMN → MNL | May 28, 14:15 UTC | May 29, 02:20 UTC | 12h 5m |
| 2026-05-27 | CXA8405 | - | May 27, 14:00 UTC | May 28, 06:10 UTC | 16h 10m |
| 2026-05-27 | CXA8405 | - | May 27, 05:49 UTC | May 28, 01:25 UTC | 19h 35m |
| 2026-05-27 | CXA8405 | - | May 27, 00:25 UTC | May 27, 14:15 UTC | 13h 50m |
| 2026-05-25 | CXA884 | TSA → FOC | May 25, 12:45 UTC | May 26, 00:14 UTC | 11h 29m |
| 2026-05-25 | CXA883 | FOC → TSA | May 25, 11:00 UTC | May 25, 11:35 UTC | 35m |
| 2026-05-24 | CXA883 | FOC → TSA | May 24, 12:05 UTC | May 25, 11:35 UTC | 23h 30m |
| 2026-05-24 | CXA878 | ICN → FOC | May 24, 11:55 UTC | May 24, 12:25 UTC | 30m |
| 2026-05-24 | CXA877 | FOC → ICN | May 24, 09:55 UTC | May 24, 10:25 UTC | 30m |
| 2026-05-23 | CXA877 | FOC → ICN | May 23, 13:45 UTC | May 24, 10:25 UTC | 20h 40m |
| 2026-05-23 | CXA8405 | - | May 23, 00:25 UTC | May 23, 13:55 UTC | 13h 29m |
| 2026-05-19 | CXA8480 | KMG → FOC | May 19, 02:40 UTC | May 19, 14:00 UTC | 11h 20m |
| 2026-05-18 | CXA8480 | KMG → FOC | May 18, 14:40 UTC | May 19, 14:00 UTC | 23h 19m |
| 2026-05-16 | CXA8704 | SIN → HGH | May 16, 10:40 UTC | May 17, 05:50 UTC | 19h 10m |
| 2026-05-16 | CXA8704 | SIN → HGH | May 16, 07:20 UTC | May 17, 05:50 UTC | 22h 30m |
| 2026-05-15 | CXA8703 | HGH → SIN | May 15, 10:40 UTC | May 16, 05:25 UTC | 18h 44m |
| 2026-05-15 | CXA8703 | HGH → SIN | May 15, 07:20 UTC | May 16, 05:25 UTC | 22h 4m |
| 2026-05-14 | CXA8704 | SIN → HGH | May 14, 10:31 UTC | May 15, 05:00 UTC | 18h 30m |
| 2026-05-14 | CXA8704 | SIN → HGH | May 14, 07:20 UTC | May 15, 05:00 UTC | 21h 40m |
| 2026-05-14 | CXA8703 | HGH → SIN | May 14, 02:15 UTC | May 14, 05:10 UTC | 2h 55m |
| 2026-05-08 | CXA878 | ICN → FOC | May 8, 11:44 UTC | May 8, 12:30 UTC | 45m |
| 2026-05-08 | CXA877 | FOC → ICN | May 8, 08:55 UTC | May 8, 09:30 UTC | 35m |
| 2026-05-07 | CXA8415 | XMN → KMG | May 7, 04:35 UTC | May 7, 05:00 UTC | 25m |
| 2026-05-02 | CXA8390 | SZX → CKG | May 2, 14:30 UTC | May 2, 14:40 UTC | 10m |
| 2026-05-02 | CXA8389 | CKG → SZX | May 2, 12:55 UTC | May 2, 13:05 UTC | 10m |
| 2026-04-30 | CXA8020 | - | Apr 30, 06:55 UTC | Apr 30, 07:15 UTC | 20m |
| 2026-04-30 | CXA8019 | - | Apr 30, 04:50 UTC | Apr 30, 05:20 UTC | 30m |
| 2026-04-27 | CXA828 | MNL → XMN | Apr 27, 04:05 UTC | Apr 27, 05:30 UTC | 1h 25m |
| 2026-04-26 | CXA827 | XMN → MNL | Apr 26, 13:45 UTC | Apr 27, 02:20 UTC | 12h 35m |
| 2026-04-26 | CXA8430 | KMG → FOC | Apr 26, 05:40 UTC | Apr 26, 05:50 UTC | 10m |
| 2026-04-19 | CXA8304 | SZX → CKG | Apr 19, 04:00 UTC | Apr 19, 04:10 UTC | 10m |
| 2026-04-19 | CXA8303 | CKG → SZX | Apr 19, 02:35 UTC | Apr 19, 02:45 UTC | 10m |
| 2026-04-18 | CXA8409 | - | Apr 18, 00:25 UTC | Apr 18, 00:50 UTC | 25m |
| 2026-04-14 | CXA884 | TSA → FOC | Apr 14, 12:35 UTC | Apr 14, 12:45 UTC | 10m |
| 2026-04-14 | CXA883 | FOC → TSA | Apr 14, 10:50 UTC | Apr 14, 11:20 UTC | 30m |
| 2026-04-14 | CXA883 | FOC → TSA | Apr 14, 10:35 UTC | Apr 14, 11:05 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-5151 page for operator, model, and routing details .