sensors Mode-S transponder
7815D9
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-305R · AIRBUS A-330-300
- Hex
- 7815D9
- Octal
- 36012731
- Decimal
- 7,869,913
- Country
- CN
- Tail
- B-305R
- Type
- A333
- Flights observed
- 67
- Distinct callsigns
- 8
- Country
- CN
- Last broadcast
- 5h ago
Last known position
Country allocation
The ICAO 24-bit address 7815D9 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 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-05 | CBJ432 | - | Jun 5, 21:10 UTC | Jun 6, 03:40 UTC | 6h 30m |
| 2026-06-05 | CBJ431 | - | Jun 5, 07:55 UTC | Jun 5, 18:20 UTC | 10h 25m |
| 2026-06-02 | CBJ496 | - | Jun 2, 17:35 UTC | Jun 2, 20:40 UTC | 3h 5m |
| 2026-06-02 | CBJ495 | - | Jun 2, 09:00 UTC | Jun 2, 12:10 UTC | 3h 10m |
| 2026-06-01 | CBJ495 | - | Jun 1, 10:45 UTC | Jun 2, 09:50 UTC | 23h 5m |
| 2026-06-01 | CBJ480 | - | Jun 1, 01:20 UTC | Jun 1, 11:15 UTC | 9h 55m |
| 2026-05-31 | CBJ479 | - | May 31, 13:35 UTC | May 31, 22:55 UTC | 9h 20m |
| 2026-05-30 | CBJ479 | - | May 30, 21:05 UTC | May 31, 15:30 UTC | 18h 25m |
| 2026-05-30 | CBJ496 | - | May 30, 19:15 UTC | May 31, 15:30 UTC | 20h 15m |
| 2026-05-30 | CBJ496 | - | May 30, 18:05 UTC | May 31, 15:30 UTC | 21h 25m |
| 2026-05-30 | CBJ495 | - | May 30, 07:05 UTC | May 30, 14:00 UTC | 6h 55m |
| 2026-05-28 | CBJ496 | - | May 28, 20:00 UTC | May 28, 22:50 UTC | 2h 50m |
| 2026-05-28 | CBJ496 | SVO → SVO | May 28, 18:45 UTC | May 28, 19:10 UTC | 25m |
| 2026-05-28 | CBJ495 | - | May 28, 08:00 UTC | May 28, 15:35 UTC | 7h 35m |
| 2026-05-26 | CBJ496 | - | May 26, 20:05 UTC | May 26, 20:45 UTC | 40m |
| 2026-05-26 | CBJ496 | SVO → SVO | May 26, 16:40 UTC | May 26, 17:05 UTC | 25m |
| 2026-05-26 | CBJ495 | - | May 26, 05:40 UTC | May 26, 09:49 UTC | 4h 10m |
| 2026-05-25 | CBJ495 | - | May 25, 10:20 UTC | May 26, 09:49 UTC | 23h 29m |
| 2026-05-25 | CBJ480 | - | May 25, 09:40 UTC | May 26, 05:59 UTC | 20h 19m |
| 2026-05-25 | CBJ480 | - | May 25, 01:55 UTC | May 25, 12:05 UTC | 10h 10m |
| 2026-05-24 | CBJ479 | - | May 24, 12:55 UTC | May 24, 21:50 UTC | 8h 55m |
| 2026-05-23 | CBJ479 | - | May 23, 18:40 UTC | May 24, 13:50 UTC | 19h 10m |
| 2026-05-23 | CBJ496 | - | May 23, 17:50 UTC | May 24, 13:50 UTC | 20h 0m |
| 2026-05-23 | CBJ495 | - | May 23, 10:25 UTC | May 23, 13:55 UTC | 3h 30m |
| 2026-05-21 | CBJ495 | - | May 21, 08:00 UTC | May 21, 23:00 UTC | 15h 0m |
| 2026-05-19 | CBJ495 | - | May 19, 05:50 UTC | May 19, 20:35 UTC | 14h 45m |
| 2026-05-18 | CBJ495 | - | May 18, 10:25 UTC | May 19, 09:55 UTC | 23h 29m |
| 2026-05-18 | CBJ480 | - | May 18, 08:55 UTC | May 19, 06:05 UTC | 21h 9m |
| 2026-05-18 | CBJ480 | - | May 18, 01:15 UTC | May 18, 11:40 UTC | 10h 25m |
| 2026-05-17 | CBJ479 | - | May 17, 15:10 UTC | May 17, 22:30 UTC | 7h 20m |
| 2026-05-16 | CBJ496 | - | May 16, 21:25 UTC | May 17, 15:35 UTC | 18h 10m |
| 2026-05-16 | CBJ495 | - | May 16, 09:51 UTC | May 16, 22:05 UTC | 12h 15m |
| 2026-05-14 | CBJ496 | - | May 14, 11:01 UTC | May 14, 22:50 UTC | 11h 50m |
| 2026-05-12 | CBJ496 | - | May 12, 09:05 UTC | May 12, 20:40 UTC | 11h 35m |
| 2026-05-11 | CBJ495 | - | May 11, 10:20 UTC | May 12, 09:55 UTC | 23h 36m |
| 2026-05-11 | CBJ480 | - | May 11, 01:15 UTC | May 11, 11:05 UTC | 9h 50m |
| 2026-05-10 | CBJ479 | - | May 10, 12:44 UTC | May 10, 22:45 UTC | 10h 0m |
| 2026-05-09 | CBJ496 | - | May 9, 20:49 UTC | May 10, 13:35 UTC | 16h 45m |
| 2026-05-09 | CBJ496 | - | May 9, 18:00 UTC | May 9, 18:15 UTC | 15m |
| 2026-05-09 | CBJ495 | - | May 9, 07:00 UTC | May 9, 14:15 UTC | 7h 15m |
| 2026-05-07 | CBJ495 | - | May 7, 08:25 UTC | May 7, 23:05 UTC | 14h 40m |
| 2026-05-05 | CBJ496 | - | May 5, 23:20 UTC | May 6, 01:50 UTC | 2h 30m |
| 2026-05-05 | CBJ496 | SVO → SVO | May 5, 21:55 UTC | May 5, 22:25 UTC | 30m |
| 2026-05-05 | CBJ495 | - | May 5, 05:35 UTC | May 5, 10:10 UTC | 4h 35m |
| 2026-05-02 | CBJ495 | - | May 2, 06:55 UTC | May 2, 21:50 UTC | 14h 55m |
| 2026-05-01 | CBJ480 | - | May 1, 10:25 UTC | May 2, 07:15 UTC | 20h 50m |
| 2026-05-01 | CBJ480 | - | May 1, 09:15 UTC | May 2, 07:15 UTC | 22h 0m |
| 2026-05-01 | CBJ480 | - | May 1, 02:10 UTC | May 1, 11:45 UTC | 9h 35m |
| 2026-04-30 | CBJ479 | - | Apr 30, 13:05 UTC | Apr 30, 23:15 UTC | 10h 10m |
| 2026-04-28 | CBJ495 | - | Apr 28, 05:50 UTC | Apr 28, 21:35 UTC | 15h 45m |
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-305R page for operator, model, and routing details .