sensors Mode-S transponder
78137D
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-1248 · AIRBUS A-320neo
- Hex
- 78137D
- Octal
- 36011575
- Decimal
- 7,869,309
- Country
- CN
- Tail
- B-1248
- Type
- A20N
- Flights observed
- 108
- Distinct callsigns
- 15
- Country
- CN
- Last broadcast
- 16h ago
Last known position
Country allocation
The ICAO 24-bit address 78137D 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 15 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| CBJ419 | - | 72 | 2026-07-14 |
| CBJ420 | - | 21 | 2026-07-14 |
| CBJ620 | - | 2 | 2026-07-17 |
| CBJ619 | - | 1 | 2026-07-17 |
| CBJ5788 | - | 1 | 2026-07-01 |
| CBJ5775 | - | 1 | 2026-05-28 |
| CBJ5724 | - | 1 | 2026-05-27 |
| CBJ5686 | - | 1 | 2026-06-23 |
| CBJ5685 | - | 1 | 2026-06-23 |
| CBJ5378 | - | 1 | 2026-04-18 |
| CBJ5288 | - | 1 | 2026-05-27 |
| CBJ5131 | - | 1 | 2026-04-13 |
| CBJ5069 | - | 1 | 2026-06-29 |
| CBJ366 | - | 1 | 2026-07-12 |
| CBJ365 | - | 1 | 2026-07-12 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-17 | CBJ620 | - | Jul 17, 10:20 UTC | Jul 17, 10:35 UTC | 15m |
| 2026-07-17 | CBJ620 | - | Jul 17, 08:59 UTC | Jul 17, 09:15 UTC | 15m |
| 2026-07-17 | CBJ619 | - | Jul 17, 07:05 UTC | Jul 17, 07:20 UTC | 15m |
| 2026-07-14 | CBJ420 | - | Jul 14, 06:35 UTC | Jul 14, 08:55 UTC | 2h 20m |
| 2026-07-14 | CBJ419 | - | Jul 14, 04:30 UTC | Jul 14, 04:40 UTC | 10m |
| 2026-07-14 | CBJ419 | - | Jul 14, 01:45 UTC | Jul 14, 02:40 UTC | 55m |
| 2026-07-12 | CBJ366 | - | Jul 12, 11:30 UTC | Jul 12, 12:30 UTC | 1h 0m |
| 2026-07-12 | CBJ365 | - | Jul 12, 08:20 UTC | Jul 12, 09:25 UTC | 1h 5m |
| 2026-07-07 | CBJ420 | - | Jul 7, 06:05 UTC | Jul 7, 08:25 UTC | 2h 20m |
| 2026-07-07 | CBJ419 | - | Jul 7, 02:30 UTC | Jul 7, 04:35 UTC | 2h 5m |
| 2026-07-06 | CBJ419 | - | Jul 6, 07:40 UTC | Jul 7, 04:35 UTC | 20h 55m |
| 2026-07-06 | CBJ420 | BKK → BKK | Jul 6, 06:10 UTC | Jul 7, 04:35 UTC | 22h 25m |
| 2026-07-06 | CBJ419 | - | Jul 6, 02:20 UTC | Jul 6, 04:35 UTC | 2h 15m |
| 2026-07-05 | CBJ419 | - | Jul 5, 07:45 UTC | Jul 6, 04:35 UTC | 20h 50m |
| 2026-07-05 | CBJ420 | - | Jul 5, 06:15 UTC | Jul 6, 04:35 UTC | 22h 20m |
| 2026-07-05 | CBJ419 | - | Jul 5, 02:25 UTC | Jul 5, 04:45 UTC | 2h 20m |
| 2026-07-04 | CBJ419 | - | Jul 4, 07:25 UTC | Jul 5, 04:45 UTC | 21h 20m |
| 2026-07-04 | CBJ419 | - | Jul 4, 06:20 UTC | Jul 5, 04:45 UTC | 22h 25m |
| 2026-07-03 | CBJ419 | - | Jul 3, 15:50 UTC | Jul 4, 04:45 UTC | 12h 55m |
| 2026-07-01 | CBJ5788 | - | Jul 1, 15:40 UTC | Jul 2, 06:30 UTC | 14h 50m |
| 2026-06-29 | CBJ5069 | - | Jun 29, 09:50 UTC | Jun 29, 10:04 UTC | 15m |
| 2026-06-23 | CBJ5686 | - | Jun 23, 04:50 UTC | Jun 23, 05:00 UTC | 10m |
| 2026-06-23 | CBJ5685 | - | Jun 23, 00:04 UTC | Jun 23, 00:19 UTC | 15m |
| 2026-06-19 | - | - | Jun 19, 23:09 UTC | Jun 19, 23:19 UTC | 10m |
| 2026-06-14 | CBJ420 | - | Jun 14, 06:00 UTC | Jun 14, 08:10 UTC | 2h 10m |
| 2026-06-14 | CBJ419 | - | Jun 14, 02:10 UTC | Jun 14, 04:25 UTC | 2h 15m |
| 2026-06-13 | CBJ419 | - | Jun 13, 07:20 UTC | Jun 14, 04:25 UTC | 21h 5m |
| 2026-06-13 | CBJ420 | - | Jun 13, 05:55 UTC | Jun 14, 04:25 UTC | 22h 30m |
| 2026-06-13 | CBJ419 | - | Jun 13, 02:10 UTC | Jun 13, 04:20 UTC | 2h 10m |
| 2026-06-12 | CBJ419 | - | Jun 12, 07:25 UTC | Jun 13, 04:20 UTC | 20h 55m |
| 2026-06-12 | CBJ420 | - | Jun 12, 06:05 UTC | Jun 13, 04:20 UTC | 22h 15m |
| 2026-06-12 | CBJ419 | - | Jun 12, 02:10 UTC | Jun 12, 04:30 UTC | 2h 20m |
| 2026-06-11 | CBJ419 | - | Jun 11, 07:30 UTC | Jun 12, 04:30 UTC | 21h 1m |
| 2026-06-11 | CBJ419 | - | Jun 11, 06:00 UTC | Jun 12, 04:30 UTC | 22h 31m |
| 2026-06-11 | CBJ419 | - | Jun 11, 01:45 UTC | Jun 11, 04:35 UTC | 2h 50m |
| 2026-06-09 | CBJ420 | - | Jun 9, 06:05 UTC | Jun 9, 08:25 UTC | 2h 20m |
| 2026-06-09 | CBJ419 | - | Jun 9, 02:05 UTC | Jun 9, 04:30 UTC | 2h 25m |
| 2026-06-08 | CBJ419 | - | Jun 8, 07:35 UTC | Jun 9, 04:30 UTC | 20h 55m |
| 2026-06-08 | CBJ419 | - | Jun 8, 06:05 UTC | Jun 9, 04:30 UTC | 22h 25m |
| 2026-06-08 | CBJ419 | - | Jun 8, 02:20 UTC | Jun 8, 04:40 UTC | 2h 20m |
| 2026-06-07 | CBJ419 | - | Jun 7, 07:25 UTC | Jun 8, 04:40 UTC | 21h 15m |
| 2026-06-07 | CBJ420 | - | Jun 7, 06:00 UTC | Jun 8, 04:40 UTC | 22h 40m |
| 2026-06-07 | CBJ419 | - | Jun 7, 02:19 UTC | Jun 7, 04:40 UTC | 2h 20m |
| 2026-06-06 | CBJ419 | - | Jun 6, 07:30 UTC | Jun 7, 04:40 UTC | 21h 10m |
| 2026-06-06 | CBJ420 | - | Jun 6, 06:10 UTC | Jun 7, 04:40 UTC | 22h 30m |
| 2026-06-06 | CBJ419 | - | Jun 6, 02:05 UTC | Jun 6, 04:50 UTC | 2h 45m |
| 2026-06-05 | CBJ419 | - | Jun 5, 07:30 UTC | Jun 6, 04:50 UTC | 21h 20m |
| 2026-06-05 | CBJ419 | BKK → BKK | Jun 5, 05:55 UTC | Jun 6, 04:50 UTC | 22h 55m |
| 2026-06-05 | CBJ419 | - | Jun 5, 01:55 UTC | Jun 5, 04:35 UTC | 2h 40m |
| 2026-06-04 | CBJ419 | - | Jun 4, 07:35 UTC | Jun 5, 04:35 UTC | 21h 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-1248 page for operator, model, and routing details .