sensors Mode-S transponder
78137B
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-1246 · AIRBUS A-320neo
- Hex
- 78137B
- Octal
- 36011573
- Decimal
- 7,869,307
- Country
- CN
- Tail
- B-1246
- Type
- A20N
- Flights observed
- 57
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 2d ago
Last known position
Country allocation
The ICAO 24-bit address 78137B 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 |
|---|---|---|---|
| CBJ419 | - | 12 | 2026-06-26 |
| CBJ619 | - | 5 | 2026-05-28 |
| CBJ5618 | - | 4 | 2026-04-19 |
| CBJ420 | - | 4 | 2026-06-26 |
| CBJ5685 | - | 3 | 2026-05-21 |
| CBJ5617 | - | 2 | 2026-04-18 |
| CBJ5378 | - | 2 | 2026-06-23 |
| CBJ5220 | - | 2 | 2026-06-06 |
| CBJ5219 | - | 2 | 2026-06-06 |
| CBJ5156 | - | 2 | 2026-05-06 |
| CBJ5126 | - | 2 | 2026-04-20 |
| CBJ620 | - | 1 | 2026-05-28 |
| CBJ5920 | - | 1 | 2026-06-09 |
| CBJ5896 | - | 1 | 2026-04-21 |
| CBJ5596 | - | 1 | 2026-06-29 |
| CBJ5595 | - | 1 | 2026-04-15 |
| CBJ5537 | - | 1 | 2026-04-14 |
| CBJ5291 | - | 1 | 2026-05-02 |
| CBJ5249 | - | 1 | 2026-06-28 |
| CBJ5221 | - | 1 | 2026-05-21 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-16 | CBJ5075 | - | Jul 16, 01:50 UTC | Jul 16, 02:05 UTC | 15m |
| 2026-07-08 | CBJ5148 | - | Jul 8, 12:25 UTC | Jul 8, 12:35 UTC | 10m |
| 2026-06-30 | CBJ5215 | - | Jun 30, 23:45 UTC | Jul 1, 10:00 UTC | 10h 15m |
| 2026-06-29 | CBJ5596 | - | Jun 29, 03:05 UTC | Jun 29, 16:10 UTC | 13h 5m |
| 2026-06-28 | CBJ5249 | - | Jun 28, 13:34 UTC | Jun 29, 03:20 UTC | 13h 45m |
| 2026-06-28 | CBJ5182 | - | Jun 28, 11:29 UTC | Jun 28, 11:50 UTC | 20m |
| 2026-06-28 | CBJ5131 | - | Jun 28, 05:29 UTC | Jun 28, 05:49 UTC | 20m |
| 2026-06-26 | CBJ420 | - | Jun 26, 06:00 UTC | Jun 26, 08:34 UTC | 2h 35m |
| 2026-06-26 | CBJ419 | - | Jun 26, 02:09 UTC | Jun 26, 04:24 UTC | 2h 15m |
| 2026-06-25 | CBJ419 | - | Jun 25, 08:20 UTC | Jun 26, 04:24 UTC | 20h 5m |
| 2026-06-25 | CBJ419 | - | Jun 25, 06:09 UTC | Jun 26, 04:24 UTC | 22h 15m |
| 2026-06-25 | CBJ419 | - | Jun 25, 02:25 UTC | Jun 25, 04:35 UTC | 2h 10m |
| 2026-06-23 | CBJ5378 | - | Jun 23, 02:15 UTC | Jun 23, 06:59 UTC | 4h 45m |
| 2026-06-21 | CBJ5378 | - | Jun 21, 06:35 UTC | Jun 21, 07:20 UTC | 45m |
| 2026-06-20 | CBJ420 | - | Jun 20, 07:24 UTC | Jun 21, 06:44 UTC | 23h 20m |
| 2026-06-20 | CBJ420 | - | Jun 20, 06:10 UTC | Jun 20, 08:29 UTC | 2h 20m |
| 2026-06-19 | CBJ419 | - | Jun 19, 06:24 UTC | Jun 20, 04:24 UTC | 22h 0m |
| 2026-06-19 | CBJ419 | - | Jun 19, 02:19 UTC | Jun 19, 04:29 UTC | 2h 10m |
| 2026-06-18 | CBJ419 | - | Jun 18, 06:10 UTC | Jun 19, 04:29 UTC | 22h 19m |
| 2026-06-18 | CBJ419 | - | Jun 18, 02:20 UTC | Jun 18, 04:40 UTC | 2h 20m |
| 2026-06-17 | CBJ419 | - | Jun 17, 08:05 UTC | Jun 18, 04:40 UTC | 20h 35m |
| 2026-06-17 | CBJ419 | - | Jun 17, 06:10 UTC | Jun 18, 04:40 UTC | 22h 30m |
| 2026-06-17 | CBJ419 | - | Jun 17, 02:35 UTC | Jun 17, 04:45 UTC | 2h 10m |
| 2026-06-09 | CBJ5920 | - | Jun 9, 23:05 UTC | Jun 10, 14:35 UTC | 15h 30m |
| 2026-06-06 | CBJ5220 | - | Jun 6, 15:34 UTC | Jun 6, 15:44 UTC | 10m |
| 2026-06-06 | CBJ5219 | - | Jun 6, 07:25 UTC | Jun 6, 07:45 UTC | 20m |
| 2026-06-03 | CBJ420 | - | Jun 3, 06:05 UTC | Jun 3, 08:25 UTC | 2h 20m |
| 2026-06-03 | CBJ419 | - | Jun 3, 01:50 UTC | Jun 3, 04:30 UTC | 2h 40m |
| 2026-05-28 | CBJ620 | - | May 28, 08:50 UTC | May 28, 10:40 UTC | 1h 50m |
| 2026-05-28 | CBJ619 | - | May 28, 05:00 UTC | May 28, 07:25 UTC | 2h 25m |
| 2026-05-27 | CBJ619 | - | May 27, 08:50 UTC | May 28, 07:25 UTC | 22h 35m |
| 2026-05-27 | CBJ619 | - | May 27, 04:49 UTC | May 27, 07:20 UTC | 2h 31m |
| 2026-05-26 | CBJ619 | - | May 26, 09:04 UTC | May 27, 07:20 UTC | 22h 16m |
| 2026-05-26 | CBJ619 | - | May 26, 05:15 UTC | May 26, 07:45 UTC | 2h 30m |
| 2026-05-21 | CBJ5221 | - | May 21, 12:25 UTC | May 21, 12:50 UTC | 25m |
| 2026-05-21 | CBJ5685 | - | May 21, 00:00 UTC | May 21, 00:20 UTC | 20m |
| 2026-05-19 | CBJ5220 | - | May 19, 15:30 UTC | May 19, 15:45 UTC | 15m |
| 2026-05-19 | CBJ5219 | - | May 19, 07:30 UTC | May 19, 07:55 UTC | 25m |
| 2026-05-06 | CBJ5156 | - | May 6, 23:50 UTC | May 7, 08:10 UTC | 8h 20m |
| 2026-05-06 | CBJ5156 | - | May 6, 12:01 UTC | May 7, 08:10 UTC | 20h 9m |
| 2026-05-03 | CBJ5112 | - | May 3, 06:45 UTC | May 3, 06:55 UTC | 10m |
| 2026-05-02 | CBJ5291 | - | May 2, 08:35 UTC | May 2, 08:45 UTC | 10m |
| 2026-05-02 | CBJ5685 | - | May 2, 00:00 UTC | May 2, 00:25 UTC | 25m |
| 2026-04-30 | CBJ5685 | - | Apr 30, 00:00 UTC | Apr 30, 00:10 UTC | 10m |
| 2026-04-28 | CBJ5218 | - | Apr 28, 08:20 UTC | Apr 28, 08:35 UTC | 15m |
| 2026-04-28 | CBJ5217 | - | Apr 28, 00:05 UTC | Apr 28, 00:20 UTC | 15m |
| 2026-04-21 | CBJ5896 | - | Apr 21, 04:05 UTC | Apr 21, 14:10 UTC | 10h 5m |
| 2026-04-20 | CBJ5126 | - | Apr 20, 12:35 UTC | Apr 21, 04:30 UTC | 15h 55m |
| 2026-04-20 | CBJ5126 | - | Apr 20, 08:00 UTC | Apr 21, 04:30 UTC | 20h 30m |
| 2026-04-19 | CBJ5618 | - | Apr 19, 13:55 UTC | Apr 20, 12:45 UTC | 22h 50m |
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-1246 page for operator, model, and routing details .