sensors Mode-S transponder
781376
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-1269 · BOEING 737-800
- Hex
- 781376
- Octal
- 36011566
- Decimal
- 7,869,302
- Country
- CN
- Tail
- B-1269
- Type
- B738
- Flights observed
- 29
- Distinct callsigns
- 8
- Country
- CN
- Last broadcast
- 2h ago
Last known position
Country allocation
The ICAO 24-bit address 781376 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 8 distinct
Recent flights last 29
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-03 | CJX8905 | - | Jun 3, 03:00 UTC | Jun 3, 03:15 UTC | 15m |
| 2026-06-01 | CJX8905 | - | Jun 1, 08:05 UTC | Jun 2, 01:30 UTC | 17h 25m |
| 2026-05-27 | CJX8929 | - | May 27, 10:00 UTC | May 28, 01:50 UTC | 15h 50m |
| 2026-05-27 | CJX8905 | - | May 27, 03:04 UTC | May 27, 07:25 UTC | 4h 21m |
| 2026-05-26 | CJX8905 | - | May 26, 09:40 UTC | May 27, 07:25 UTC | 21h 46m |
| 2026-05-25 | CJX8931 | - | May 25, 09:45 UTC | May 25, 10:25 UTC | 40m |
| 2026-05-22 | CJX8905 | - | May 22, 02:50 UTC | May 22, 07:15 UTC | 4h 25m |
| 2026-05-20 | CJX8906 | - | May 20, 08:05 UTC | May 21, 03:00 UTC | 18h 55m |
| 2026-05-20 | CJX8905 | - | May 20, 04:00 UTC | May 21, 03:00 UTC | 23h 1m |
| 2026-05-18 | CJX8905 | - | May 18, 07:35 UTC | May 19, 01:55 UTC | 18h 19m |
| 2026-05-18 | CJX8905 | - | May 18, 03:01 UTC | May 19, 01:15 UTC | 22h 14m |
| 2026-05-14 | CJX8910 | - | May 14, 14:45 UTC | May 14, 14:55 UTC | 10m |
| 2026-05-14 | CJX8909 | - | May 14, 12:20 UTC | May 14, 12:35 UTC | 15m |
| 2026-05-11 | CJX8929 | - | May 11, 01:20 UTC | May 11, 10:30 UTC | 9h 10m |
| 2026-05-09 | CJX8913 | - | May 9, 11:25 UTC | May 9, 15:15 UTC | 3h 50m |
| 2026-05-07 | CJX8931 | - | May 7, 09:35 UTC | May 8, 01:35 UTC | 16h 0m |
| 2026-05-06 | CJX8929 | - | May 6, 10:10 UTC | May 7, 01:40 UTC | 15h 29m |
| 2026-05-06 | CJX8929 | - | May 6, 01:40 UTC | May 7, 01:20 UTC | 23h 39m |
| 2026-05-06 | CJX8929 | - | May 6, 01:15 UTC | May 6, 10:10 UTC | 8h 55m |
| 2026-05-05 | CJX8929 | - | May 5, 09:55 UTC | May 6, 01:40 UTC | 15h 45m |
| 2026-05-05 | CJX8929 | - | May 5, 01:35 UTC | May 6, 01:20 UTC | 23h 45m |
| 2026-05-05 | CJX8929 | - | May 5, 01:05 UTC | May 5, 09:55 UTC | 8h 50m |
| 2026-05-04 | CJX8929 | - | May 4, 09:50 UTC | May 5, 01:35 UTC | 15h 46m |
| 2026-04-30 | CJX8929 | - | Apr 30, 01:35 UTC | Apr 30, 01:50 UTC | 15m |
| 2026-04-20 | CJX8931 | - | Apr 20, 09:50 UTC | Apr 21, 01:50 UTC | 16h 0m |
| 2026-04-20 | CJX8931 | - | Apr 20, 01:15 UTC | Apr 20, 09:55 UTC | 8h 40m |
| 2026-04-19 | CJX8906 | - | Apr 19, 11:45 UTC | Apr 20, 09:55 UTC | 22h 10m |
| 2026-04-19 | CJX8905 | - | Apr 19, 08:35 UTC | Apr 19, 08:50 UTC | 15m |
| 2026-04-17 | CJX8914 | - | Apr 17, 15:25 UTC | Apr 17, 15:35 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-1269 page for operator, model, and routing details .