sensors Mode-S transponder
7819DE
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-320J · AIRBUS A-321neo
- Hex
- 7819DE
- Octal
- 36014736
- Decimal
- 7,870,942
- Country
- CN
- Tail
- B-320J
- Type
- A21N
- Flights observed
- 105
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 23h ago
Last known position
Country allocation
The ICAO 24-bit address 7819DE 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 |
|---|---|---|---|
| CBJ5136 | - | 21 | 2026-07-16 |
| CBJ5146 | - | 18 | 2026-07-16 |
| CBJ5135 | - | 8 | 2026-07-15 |
| CBJ5145 | - | 7 | 2026-05-03 |
| CBJ5126 | - | 7 | 2026-07-17 |
| CBJ5942 | - | 5 | 2026-06-12 |
| CBJ5532 | - | 4 | 2026-06-23 |
| CBJ5219 | - | 4 | 2026-06-11 |
| CBJ5196 | - | 4 | 2026-07-05 |
| CBJ5776 | - | 3 | 2026-06-26 |
| CBJ5765 | - | 3 | 2026-07-13 |
| CBJ5220 | - | 3 | 2026-06-11 |
| CBJ5596 | - | 2 | 2026-06-17 |
| CBJ5595 | - | 2 | 2026-06-23 |
| CBJ5577 | - | 2 | 2026-06-14 |
| CBJ5941 | - | 1 | 2026-06-07 |
| CBJ5926 | - | 1 | 2026-06-20 |
| CBJ5775 | - | 1 | 2026-06-20 |
| CBJ5768 | - | 1 | 2026-06-19 |
| CBJ5755 | - | 1 | 2026-06-13 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-17 | CBJ5126 | - | Jul 17, 05:20 UTC | Jul 17, 12:55 UTC | 7h 35m |
| 2026-07-16 | CBJ5136 | - | Jul 16, 16:09 UTC | Jul 17, 12:55 UTC | 20h 45m |
| 2026-07-16 | CBJ5136 | - | Jul 16, 11:54 UTC | Jul 17, 08:20 UTC | 20h 25m |
| 2026-07-16 | CBJ5146 | - | Jul 16, 08:25 UTC | Jul 17, 05:20 UTC | 20h 55m |
| 2026-07-16 | CBJ5146 | - | Jul 16, 02:50 UTC | Jul 16, 16:25 UTC | 13h 35m |
| 2026-07-15 | CBJ5136 | - | Jul 15, 16:20 UTC | Jul 16, 12:05 UTC | 19h 45m |
| 2026-07-15 | CBJ5135 | - | Jul 15, 11:40 UTC | Jul 16, 08:35 UTC | 20h 55m |
| 2026-07-14 | CBJ5135 | - | Jul 14, 16:05 UTC | Jul 15, 12:40 UTC | 20h 34m |
| 2026-07-14 | CBJ5136 | - | Jul 14, 08:15 UTC | Jul 14, 16:25 UTC | 8h 10m |
| 2026-07-13 | CBJ5135 | - | Jul 13, 15:00 UTC | Jul 14, 11:45 UTC | 20h 45m |
| 2026-07-13 | CBJ5765 | - | Jul 13, 04:25 UTC | Jul 13, 15:15 UTC | 10h 50m |
| 2026-07-12 | CBJ5765 | - | Jul 12, 15:50 UTC | Jul 13, 15:15 UTC | 23h 25m |
| 2026-07-12 | CBJ5765 | - | Jul 12, 07:45 UTC | Jul 13, 04:45 UTC | 21h 0m |
| 2026-07-10 | CBJ5136 | - | Jul 10, 11:20 UTC | Jul 10, 16:30 UTC | 5h 10m |
| 2026-07-09 | CBJ5136 | - | Jul 9, 11:55 UTC | Jul 10, 03:10 UTC | 15h 15m |
| 2026-07-08 | CBJ5136 | - | Jul 8, 16:15 UTC | Jul 9, 12:10 UTC | 19h 55m |
| 2026-07-08 | CBJ5135 | - | Jul 8, 11:40 UTC | Jul 8, 16:25 UTC | 4h 45m |
| 2026-07-05 | CBJ5196 | - | Jul 5, 10:30 UTC | Jul 5, 18:35 UTC | 8h 5m |
| 2026-07-04 | CBJ5136 | - | Jul 4, 16:20 UTC | Jul 5, 10:30 UTC | 18h 10m |
| 2026-07-04 | CBJ5135 | - | Jul 4, 11:40 UTC | Jul 5, 10:30 UTC | 22h 50m |
| 2026-07-02 | CBJ5196 | - | Jul 2, 01:25 UTC | Jul 2, 16:15 UTC | 14h 50m |
| 2026-06-30 | CBJ5196 | - | Jun 30, 13:45 UTC | Jun 30, 16:55 UTC | 3h 10m |
| 2026-06-29 | CBJ5136 | - | Jun 29, 11:45 UTC | Jun 29, 17:24 UTC | 5h 40m |
| 2026-06-29 | CBJ5606 | - | Jun 29, 09:05 UTC | Jun 29, 09:20 UTC | 15m |
| 2026-06-28 | CBJ5126 | - | Jun 28, 07:09 UTC | Jun 28, 13:40 UTC | 6h 30m |
| 2026-06-27 | CBJ5126 | - | Jun 27, 15:39 UTC | Jun 28, 13:40 UTC | 22h 0m |
| 2026-06-27 | CBJ5195 | - | Jun 27, 07:39 UTC | Jun 28, 07:29 UTC | 23h 50m |
| 2026-06-26 | CBJ5776 | - | Jun 26, 23:25 UTC | Jun 27, 16:00 UTC | 16h 35m |
| 2026-06-26 | CBJ5776 | - | Jun 26, 13:34 UTC | Jun 27, 08:05 UTC | 18h 30m |
| 2026-06-26 | CBJ5126 | - | Jun 26, 12:59 UTC | Jun 27, 08:05 UTC | 19h 5m |
| 2026-06-26 | CBJ5126 | - | Jun 26, 08:30 UTC | Jun 27, 05:29 UTC | 21h 0m |
| 2026-06-25 | CBJ5126 | - | Jun 25, 16:55 UTC | Jun 26, 13:40 UTC | 20h 45m |
| 2026-06-25 | CBJ5135 | - | Jun 25, 11:35 UTC | Jun 26, 09:00 UTC | 21h 25m |
| 2026-06-25 | CBJ5135 | - | Jun 25, 11:25 UTC | Jun 26, 09:00 UTC | 21h 35m |
| 2026-06-25 | CBJ5146 | - | Jun 25, 02:35 UTC | Jun 25, 16:55 UTC | 14h 20m |
| 2026-06-24 | CBJ5196 | - | Jun 24, 04:55 UTC | Jun 24, 16:19 UTC | 11h 25m |
| 2026-06-23 | CBJ5532 | - | Jun 23, 15:50 UTC | Jun 24, 08:14 UTC | 16h 25m |
| 2026-06-23 | CBJ5532 | - | Jun 23, 11:59 UTC | Jun 23, 12:09 UTC | 10m |
| 2026-06-23 | CBJ5595 | - | Jun 23, 03:00 UTC | Jun 23, 03:09 UTC | 10m |
| 2026-06-22 | CBJ5036 | - | Jun 22, 02:14 UTC | Jun 22, 02:34 UTC | 20m |
| 2026-06-20 | CBJ5775 | - | Jun 20, 23:25 UTC | Jun 20, 23:39 UTC | 15m |
| 2026-06-20 | CBJ5926 | - | Jun 20, 08:05 UTC | Jun 20, 13:34 UTC | 5h 30m |
| 2026-06-19 | CBJ5776 | - | Jun 19, 23:04 UTC | Jun 20, 05:44 UTC | 6h 40m |
| 2026-06-19 | CBJ5768 | - | Jun 19, 01:15 UTC | Jun 19, 05:30 UTC | 4h 15m |
| 2026-06-18 | CBJ5532 | - | Jun 18, 03:20 UTC | Jun 18, 16:10 UTC | 12h 50m |
| 2026-06-17 | CBJ5596 | - | Jun 17, 15:30 UTC | Jun 18, 03:20 UTC | 11h 50m |
| 2026-06-14 | CBJ5577 | - | Jun 14, 02:20 UTC | Jun 14, 10:20 UTC | 8h 1m |
| 2026-06-13 | CBJ5577 | - | Jun 13, 07:35 UTC | Jun 14, 06:00 UTC | 22h 25m |
| 2026-06-13 | CBJ5755 | - | Jun 13, 00:05 UTC | Jun 13, 00:20 UTC | 15m |
| 2026-06-12 | CBJ5578 | - | Jun 12, 12:50 UTC | Jun 12, 13:00 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-320J page for operator, model, and routing details .