sensors Mode-S transponder
78143B
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-1117 · BOEING 737 MAX 8
- Hex
- 78143B
- Octal
- 36012073
- Decimal
- 7,869,499
- Country
- CN
- Tail
- B-1117
- Type
- B38M
- Flights observed
- 51
- Distinct callsigns
- 16
- Country
- CN
- Last broadcast
- 15m ago
Last known position
Country allocation
The ICAO 24-bit address 78143B 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 16 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| CXA8673 | Xiamen Airlines | 11 | 2026-05-29 |
| CXA8674 | Xiamen Airlines | 9 | 2026-05-24 |
| CXA8694 | Xiamen Airlines | 8 | 2026-05-29 |
| CXA8684 | Xiamen Airlines | 4 | 2026-05-23 |
| CXA819 | Xiamen Airlines | 4 | 2026-05-28 |
| CXA820 | Xiamen Airlines | 3 | 2026-05-28 |
| CXA855 | Xiamen Airlines | 2 | 2026-05-03 |
| CXA8842 | Xiamen Airlines | 1 | 2026-05-02 |
| CXA8841 | Xiamen Airlines | 1 | 2026-05-02 |
| CXA8693 | Xiamen Airlines | 1 | 2026-04-16 |
| CXA864 | Xiamen Airlines | 1 | 2026-04-25 |
| CXA863 | Xiamen Airlines | 1 | 2026-04-25 |
| CXA8605 | Xiamen Airlines | 1 | 2026-04-29 |
| CXA8370 | Xiamen Airlines | 1 | 2026-04-20 |
| CXA8361 | Xiamen Airlines | 1 | 2026-04-26 |
| CXA8047 | - | 1 | 2026-04-23 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | CXA8694 | CGK → NKG | May 29, 23:50 UTC | May 30, 04:45 UTC | 4h 55m |
| 2026-05-29 | CXA8673 | CKG → CGK | May 29, 17:25 UTC | May 29, 21:35 UTC | 4h 10m |
| 2026-05-28 | CXA820 | MNL → XMN | May 28, 14:00 UTC | May 28, 14:25 UTC | 25m |
| 2026-05-28 | CXA819 | XMN → MNL | May 28, 11:35 UTC | May 28, 12:30 UTC | 55m |
| 2026-05-24 | CXA8674 | CGK → CKG | May 24, 17:15 UTC | May 25, 02:40 UTC | 9h 25m |
| 2026-05-23 | CXA8684 | CGK → WUH | May 23, 23:55 UTC | May 24, 10:05 UTC | 10h 10m |
| 2026-05-23 | CXA8673 | CKG → CGK | May 23, 19:55 UTC | May 23, 20:45 UTC | 50m |
| 2026-05-08 | CXA8674 | CGK → CKG | May 8, 16:25 UTC | May 9, 02:35 UTC | 10h 10m |
| 2026-05-07 | CXA8684 | CGK → WUH | May 7, 23:45 UTC | May 8, 10:04 UTC | 10h 20m |
| 2026-05-07 | CXA8673 | CKG → CGK | May 7, 21:05 UTC | May 7, 21:20 UTC | 15m |
| 2026-05-07 | CXA8673 | CKG → CGK | May 7, 19:45 UTC | May 7, 20:10 UTC | 25m |
| 2026-05-05 | CXA8674 | CGK → CKG | May 5, 17:15 UTC | May 5, 18:45 UTC | 1h 30m |
| 2026-05-05 | CXA8694 | CGK → NKG | May 5, 02:20 UTC | May 5, 14:10 UTC | 11h 50m |
| 2026-05-04 | CXA8673 | CKG → CGK | May 4, 21:15 UTC | May 4, 21:25 UTC | 10m |
| 2026-05-04 | CXA8673 | CKG → CGK | May 4, 19:50 UTC | May 4, 20:40 UTC | 50m |
| 2026-05-03 | CXA8674 | CGK → CKG | May 3, 19:05 UTC | May 3, 20:35 UTC | 1h 30m |
| 2026-05-03 | CXA855 | FOC → CGK | May 3, 17:24 UTC | May 3, 17:45 UTC | 20m |
| 2026-05-03 | CXA855 | FOC → CGK | May 3, 15:00 UTC | May 3, 15:55 UTC | 55m |
| 2026-05-02 | CXA8842 | ZUH → FOC | May 2, 09:25 UTC | May 2, 09:40 UTC | 15m |
| 2026-05-02 | CXA8841 | FOC → ZUH | May 2, 07:40 UTC | May 2, 08:05 UTC | 25m |
| 2026-04-29 | CXA8605 | FOC → NNG | Apr 29, 12:10 UTC | Apr 29, 15:30 UTC | 3h 20m |
| 2026-04-28 | CXA8694 | CGK → NKG | Apr 28, 01:35 UTC | Apr 28, 05:30 UTC | 3h 55m |
| 2026-04-28 | CXA8694 | CGK → NKG | Apr 28, 00:30 UTC | Apr 28, 00:40 UTC | 10m |
| 2026-04-27 | CXA8673 | CKG → CGK | Apr 27, 21:20 UTC | Apr 27, 21:35 UTC | 15m |
| 2026-04-27 | CXA8673 | CKG → CGK | Apr 27, 20:00 UTC | Apr 27, 20:30 UTC | 30m |
| 2026-04-26 | CXA8361 | XMN → HAK | Apr 26, 10:40 UTC | Apr 26, 14:05 UTC | 3h 25m |
| 2026-04-25 | CXA864 | SIN → HGH | Apr 25, 13:10 UTC | Apr 26, 08:30 UTC | 19h 20m |
| 2026-04-25 | CXA863 | HGH → SIN | Apr 25, 09:00 UTC | Apr 25, 11:40 UTC | 2h 40m |
| 2026-04-23 | CXA8047 | - | Apr 23, 07:10 UTC | Apr 23, 13:00 UTC | 5h 50m |
| 2026-04-22 | CXA8674 | CGK → CKG | Apr 22, 17:30 UTC | Apr 22, 18:00 UTC | 30m |
| 2026-04-22 | CXA8674 | CGK → CKG | Apr 22, 16:30 UTC | Apr 22, 16:40 UTC | 10m |
| 2026-04-22 | CXA8684 | CGK → WUH | Apr 22, 01:05 UTC | Apr 22, 11:55 UTC | 10h 50m |
| 2026-04-22 | CXA8684 | CGK → WUH | Apr 22, 00:05 UTC | Apr 22, 00:15 UTC | 10m |
| 2026-04-21 | CXA8673 | CKG → CGK | Apr 21, 20:10 UTC | Apr 21, 20:40 UTC | 30m |
| 2026-04-20 | CXA820 | MNL → XMN | Apr 20, 13:15 UTC | Apr 20, 14:20 UTC | 1h 5m |
| 2026-04-20 | CXA819 | XMN → MNL | Apr 20, 11:05 UTC | Apr 20, 11:40 UTC | 35m |
| 2026-04-20 | CXA8370 | ZUH → HGH | Apr 20, 03:15 UTC | Apr 20, 03:25 UTC | 10m |
| 2026-04-20 | - | - | Apr 20, 01:15 UTC | Apr 20, 01:25 UTC | 10m |
| 2026-04-16 | CXA8674 | - | Apr 16, 17:44 UTC | Apr 16, 18:10 UTC | 25m |
| 2026-04-16 | CXA8674 | - | Apr 16, 16:40 UTC | Apr 16, 16:55 UTC | 15m |
| 2026-04-16 | CXA8693 | NKG → CGK | Apr 16, 12:19 UTC | Apr 16, 13:05 UTC | 45m |
| 2026-04-16 | CXA8694 | CGK → NKG | Apr 16, 04:00 UTC | Apr 16, 04:49 UTC | 50m |
| 2026-04-16 | CXA8694 | CGK → NKG | Apr 16, 01:10 UTC | Apr 16, 01:20 UTC | 10m |
| 2026-04-16 | CXA8694 | CGK → NKG | Apr 16, 00:55 UTC | Apr 16, 01:05 UTC | 10m |
| 2026-04-15 | CXA8694 | CGK → NKG | Apr 15, 23:55 UTC | Apr 16, 00:10 UTC | 15m |
| 2026-04-15 | CXA8673 | CKG → CGK | Apr 15, 21:35 UTC | Apr 15, 21:50 UTC | 15m |
| 2026-04-15 | CXA8673 | CKG → CGK | Apr 15, 20:15 UTC | Apr 15, 20:45 UTC | 30m |
| 2026-04-14 | CXA820 | MNL → XMN | Apr 14, 13:15 UTC | Apr 14, 14:25 UTC | 1h 10m |
| 2026-04-14 | CXA819 | XMN → MNL | Apr 14, 10:55 UTC | Apr 14, 11:40 UTC | 45m |
| 2026-04-14 | CXA819 | XMN → MNL | Apr 14, 10:05 UTC | Apr 14, 11:05 UTC | 1h 0m |
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-1117 page for operator, model, and routing details .