sensors Mode-S transponder
781B3E
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-322L · AIRBUS A-321neo
- Hex
- 781B3E
- Octal
- 36015476
- Decimal
- 7,871,294
- Country
- CN
- Tail
- B-322L
- Type
- A21N
- Flights observed
- 73
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 16h ago
Last known position
Country allocation
The ICAO 24-bit address 781B3E 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 |
|---|---|---|---|
| CBJ5195 | - | 10 | 2026-07-08 |
| CBJ5217 | - | 8 | 2026-05-20 |
| CBJ5136 | - | 7 | 2026-07-06 |
| CBJ5768 | - | 5 | 2026-06-07 |
| CBJ5218 | - | 5 | 2026-05-21 |
| CBJ5146 | - | 5 | 2026-07-11 |
| CBJ5196 | - | 4 | 2026-06-05 |
| CBJ5126 | - | 4 | 2026-07-16 |
| CBJ5290 | - | 2 | 2026-06-19 |
| CBJ5289 | - | 2 | 2026-06-19 |
| CBJ5220 | - | 2 | 2026-04-30 |
| CBJ5219 | - | 2 | 2026-04-30 |
| CBJ5135 | - | 2 | 2026-07-01 |
| CBJ5125 | - | 2 | 2026-07-01 |
| CBJ5114 | - | 2 | 2026-06-28 |
| CBJ5921 | - | 1 | 2026-05-17 |
| CBJ5776 | - | 1 | 2026-07-01 |
| CBJ5765 | - | 1 | 2026-07-12 |
| CBJ5532 | - | 1 | 2026-05-26 |
| CBJ5347 | - | 1 | 2026-05-11 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-17 | CBJ5264 | - | Jul 17, 08:59 UTC | Jul 17, 13:40 UTC | 4h 40m |
| 2026-07-16 | CBJ5126 | - | Jul 16, 12:55 UTC | Jul 17, 08:59 UTC | 20h 5m |
| 2026-07-16 | CBJ5126 | - | Jul 16, 08:40 UTC | Jul 16, 13:10 UTC | 4h 30m |
| 2026-07-15 | CBJ5126 | - | Jul 15, 12:35 UTC | Jul 16, 08:40 UTC | 20h 5m |
| 2026-07-14 | CBJ5126 | - | Jul 14, 07:45 UTC | Jul 14, 13:30 UTC | 5h 45m |
| 2026-07-12 | CBJ5765 | - | Jul 12, 04:20 UTC | Jul 12, 04:35 UTC | 15m |
| 2026-07-11 | CBJ5146 | - | Jul 11, 08:10 UTC | Jul 12, 04:35 UTC | 20h 25m |
| 2026-07-08 | CBJ5195 | - | Jul 8, 08:05 UTC | Jul 8, 16:15 UTC | 8h 10m |
| 2026-07-07 | CBJ5146 | - | Jul 7, 09:05 UTC | Jul 8, 01:50 UTC | 16h 45m |
| 2026-07-07 | CBJ5146 | - | Jul 7, 02:00 UTC | Jul 7, 16:25 UTC | 14h 25m |
| 2026-07-06 | CBJ5146 | - | Jul 6, 16:10 UTC | Jul 7, 09:20 UTC | 17h 10m |
| 2026-07-06 | CBJ5146 | - | Jul 6, 11:10 UTC | Jul 7, 09:20 UTC | 22h 10m |
| 2026-07-06 | CBJ5136 | - | Jul 6, 06:25 UTC | Jul 7, 02:10 UTC | 19h 45m |
| 2026-07-04 | CBJ514T | - | Jul 4, 02:15 UTC | Jul 4, 02:35 UTC | 20m |
| 2026-07-02 | CBJ5136 | - | Jul 2, 08:35 UTC | Jul 3, 02:40 UTC | 18h 5m |
| 2026-07-02 | CBJ5136 | - | Jul 2, 02:25 UTC | Jul 2, 17:00 UTC | 14h 35m |
| 2026-07-01 | CBJ5135 | - | Jul 1, 13:45 UTC | Jul 2, 12:10 UTC | 22h 25m |
| 2026-07-01 | CBJ5125 | - | Jul 1, 08:35 UTC | Jul 2, 02:40 UTC | 18h 5m |
| 2026-07-01 | CBJ5776 | - | Jul 1, 05:15 UTC | Jul 1, 05:50 UTC | 35m |
| 2026-06-29 | CBJ5195 | - | Jun 29, 07:30 UTC | Jun 29, 23:39 UTC | 16h 10m |
| 2026-06-29 | CBJ5195 | - | Jun 29, 04:55 UTC | Jun 29, 23:39 UTC | 18h 45m |
| 2026-06-28 | CBJ5114 | - | Jun 28, 05:49 UTC | Jun 28, 06:00 UTC | 10m |
| 2026-06-28 | CBJ5113 | - | Jun 28, 02:10 UTC | Jun 28, 03:05 UTC | 55m |
| 2026-06-19 | CBJ5290 | - | Jun 19, 15:09 UTC | Jun 19, 15:19 UTC | 10m |
| 2026-06-19 | CBJ5289 | - | Jun 19, 12:54 UTC | Jun 19, 13:14 UTC | 20m |
| 2026-06-19 | - | - | Jun 19, 07:14 UTC | Jun 19, 07:45 UTC | 30m |
| 2026-06-09 | CBJ5135 | - | Jun 9, 11:30 UTC | Jun 9, 11:40 UTC | 10m |
| 2026-06-07 | CBJ5195 | - | Jun 7, 13:35 UTC | Jun 8, 08:25 UTC | 18h 50m |
| 2026-06-07 | CBJ5195 | - | Jun 7, 13:25 UTC | Jun 8, 08:25 UTC | 19h 0m |
| 2026-06-07 | CBJ5768 | - | Jun 7, 04:55 UTC | Jun 7, 14:05 UTC | 9h 10m |
| 2026-06-06 | CBJ5195 | - | Jun 6, 07:20 UTC | Jun 6, 16:04 UTC | 8h 45m |
| 2026-06-05 | CBJ5196 | - | Jun 5, 13:30 UTC | Jun 6, 05:30 UTC | 16h 0m |
| 2026-06-04 | CBJ5195 | - | Jun 4, 16:00 UTC | Jun 5, 08:00 UTC | 16h 0m |
| 2026-06-04 | CBJ5768 | - | Jun 4, 01:10 UTC | Jun 4, 16:00 UTC | 14h 50m |
| 2026-06-03 | CBJ5136 | - | Jun 3, 11:30 UTC | Jun 4, 05:00 UTC | 17h 30m |
| 2026-06-03 | CBJ5768 | - | Jun 3, 04:55 UTC | Jun 4, 01:10 UTC | 20h 15m |
| 2026-06-02 | CBJ5136 | - | Jun 2, 11:30 UTC | Jun 2, 16:10 UTC | 4h 40m |
| 2026-06-01 | CBJ5196 | - | Jun 1, 08:15 UTC | Jun 1, 16:10 UTC | 7h 55m |
| 2026-06-01 | CBJ5768 | - | Jun 1, 01:20 UTC | Jun 1, 05:25 UTC | 4h 5m |
| 2026-05-31 | CBJ5196 | - | May 31, 15:45 UTC | May 31, 16:05 UTC | 20m |
| 2026-05-30 | CBJ5195 | - | May 30, 05:10 UTC | May 30, 16:00 UTC | 10h 50m |
| 2026-05-29 | CBJ5195 | - | May 29, 16:00 UTC | May 30, 08:25 UTC | 16h 25m |
| 2026-05-29 | CBJ5195 | - | May 29, 08:40 UTC | May 30, 05:10 UTC | 20h 30m |
| 2026-05-28 | CBJ5768 | - | May 28, 01:10 UTC | May 28, 16:10 UTC | 15h 0m |
| 2026-05-27 | CBJ5196 | - | May 27, 15:40 UTC | May 27, 16:00 UTC | 20m |
| 2026-05-26 | CBJ5532 | - | May 26, 11:20 UTC | May 26, 11:30 UTC | 10m |
| 2026-05-25 | CBJ5036 | - | May 25, 02:35 UTC | May 25, 02:55 UTC | 20m |
| 2026-05-21 | CBJ5218 | - | May 21, 08:15 UTC | May 21, 08:25 UTC | 10m |
| 2026-05-20 | CBJ5217 | - | May 20, 23:35 UTC | May 20, 23:55 UTC | 20m |
| 2026-05-19 | CBJ5217 | - | May 19, 23:40 UTC | May 20, 08:00 UTC | 8h 21m |
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-322L page for operator, model, and routing details .