sensors Mode-S transponder
399625
ICAO 24-bit transponder address · allocated to France
Currently assigned to F-HFRF · BEECH 200 Super King Air
- Hex
- 399625
- Octal
- 16313045
- Decimal
- 3,773,989
- Country
- FR
- Tail
- F-HFRF
- Type
- BE20
- Flights observed
- 49
- Distinct callsigns
- 10
- Country
- FR
- Last broadcast
- 22d ago
Last known position
Country allocation
The ICAO 24-bit address 399625 falls within the block assigned to France (FR) by ICAO Annex 10, Volume III. Every aircraft registered in France 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 10 distinct
Recent flights last 49
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-21 | ASR263 | - | Jun 21, 16:25 UTC | Jun 21, 17:15 UTC | 50m |
| 2026-06-21 | ASR263 | - | Jun 21, 12:10 UTC | Jun 21, 15:19 UTC | 3h 10m |
| 2026-06-20 | ASR263 | ANR → ANR | Jun 20, 12:45 UTC | Jun 20, 16:00 UTC | 3h 15m |
| 2026-06-19 | ASR263 | - | Jun 19, 12:44 UTC | Jun 19, 15:49 UTC | 3h 5m |
| 2026-06-18 | ASR263 | ANR → ANR | Jun 18, 12:40 UTC | Jun 18, 15:50 UTC | 3h 10m |
| 2026-06-17 | ASR263 | ANR → ANR | Jun 17, 12:45 UTC | Jun 17, 15:35 UTC | 2h 50m |
| 2026-06-16 | ASR263 | - | Jun 16, 07:25 UTC | Jun 16, 08:15 UTC | 50m |
| 2026-06-14 | ASR161 | - | Jun 14, 12:30 UTC | Jun 14, 16:15 UTC | 3h 45m |
| 2026-06-13 | ASR161 | - | Jun 13, 11:55 UTC | Jun 13, 14:45 UTC | 2h 50m |
| 2026-06-12 | ASR161 | - | Jun 12, 12:40 UTC | Jun 12, 15:35 UTC | 2h 55m |
| 2026-06-11 | ASR161 | LYN → LYN | Jun 11, 12:35 UTC | Jun 11, 15:45 UTC | 3h 10m |
| 2026-06-10 | ASR161 | LYN → LYN | Jun 10, 12:40 UTC | Jun 10, 15:25 UTC | 2h 45m |
| 2026-06-09 | ASR161 | LYN → LYN | Jun 9, 12:40 UTC | Jun 9, 15:45 UTC | 3h 5m |
| 2026-06-08 | ASR161 | LYN → LYN | Jun 8, 12:25 UTC | Jun 8, 15:50 UTC | 3h 25m |
| 2026-06-07 | ASR161 | LYN → LYN | Jun 7, 10:25 UTC | Jun 7, 13:30 UTC | 3h 5m |
| 2026-06-06 | ASR161 | - | Jun 6, 13:20 UTC | Jun 6, 16:24 UTC | 3h 5m |
| 2026-05-17 | ASR252 | - | May 17, 16:30 UTC | May 17, 18:55 UTC | 2h 25m |
| 2026-05-17 | ASR252 | - | May 17, 10:15 UTC | May 17, 15:45 UTC | 5h 30m |
| 2026-05-16 | ASR252 | - | May 16, 10:16 UTC | May 16, 14:35 UTC | 4h 20m |
| 2026-05-15 | ASR252 | - | May 15, 10:10 UTC | May 15, 15:00 UTC | 4h 49m |
| 2026-05-14 | ASR252 | - | May 14, 09:55 UTC | May 14, 16:10 UTC | 6h 15m |
| 2026-05-13 | ASR252 | - | May 13, 10:25 UTC | May 13, 14:35 UTC | 4h 10m |
| 2026-05-12 | ASR252 | - | May 12, 13:15 UTC | May 12, 14:25 UTC | 1h 10m |
| 2026-05-10 | ASR251 | - | May 10, 09:20 UTC | May 10, 15:39 UTC | 6h 20m |
| 2026-05-09 | ASR251 | - | May 9, 08:00 UTC | May 9, 15:15 UTC | 7h 15m |
| 2026-05-08 | ASR251 | - | May 8, 10:09 UTC | May 8, 15:05 UTC | 4h 55m |
| 2026-05-07 | ASR251 | - | May 7, 10:05 UTC | May 7, 13:40 UTC | 3h 35m |
| 2026-05-07 | ASR251 | - | May 7, 05:40 UTC | May 7, 08:30 UTC | 2h 50m |
| 2026-05-03 | ASR941 | - | May 3, 11:30 UTC | May 3, 15:15 UTC | 3h 45m |
| 2026-05-02 | ASR941 | - | May 2, 11:15 UTC | May 2, 14:20 UTC | 3h 5m |
| 2026-05-01 | ASR941 | - | May 1, 13:15 UTC | May 1, 16:05 UTC | 2h 50m |
| 2026-04-30 | ASR941 | - | Apr 30, 13:00 UTC | Apr 30, 15:55 UTC | 2h 55m |
| 2026-04-29 | ASR941 | - | Apr 29, 12:45 UTC | Apr 29, 16:05 UTC | 3h 20m |
| 2026-04-28 | ASR941 | - | Apr 28, 13:00 UTC | Apr 28, 15:50 UTC | 2h 50m |
| 2026-04-27 | ASR941 | - | Apr 27, 12:45 UTC | Apr 27, 15:00 UTC | 2h 15m |
| 2026-04-26 | ASR249 | - | Apr 26, 18:20 UTC | Apr 26, 19:05 UTC | 45m |
| 2026-04-26 | ASR249 | - | Apr 26, 09:30 UTC | Apr 26, 16:25 UTC | 6h 55m |
| 2026-04-25 | ASR249 | ANR → ANR | Apr 25, 11:05 UTC | Apr 25, 12:35 UTC | 1h 30m |
| 2026-04-22 | ASR248 | - | Apr 22, 10:00 UTC | Apr 22, 16:20 UTC | 6h 20m |
| 2026-04-21 | ASR248 | - | Apr 21, 11:10 UTC | Apr 21, 12:50 UTC | 1h 40m |
| 2026-04-19 | ASR247 | - | Apr 19, 10:05 UTC | Apr 19, 15:45 UTC | 5h 40m |
| 2026-04-18 | ASR247 | ANR → ANR | Apr 18, 10:55 UTC | Apr 18, 12:25 UTC | 1h 30m |
| 2026-04-17 | ASR246 | - | Apr 17, 15:20 UTC | Apr 17, 15:50 UTC | 30m |
| 2026-04-17 | ASR246 | - | Apr 17, 13:20 UTC | Apr 17, 15:15 UTC | 1h 54m |
| 2026-04-17 | ASR246 | - | Apr 17, 12:25 UTC | Apr 17, 13:15 UTC | 50m |
| 2026-04-15 | ASR245 | - | Apr 15, 15:05 UTC | Apr 15, 15:55 UTC | 50m |
| 2026-04-15 | ASR245 | - | Apr 15, 13:01 UTC | Apr 15, 14:55 UTC | 1h 54m |
| 2026-04-15 | ASR245 | - | Apr 15, 12:30 UTC | Apr 15, 12:55 UTC | 25m |
| 2026-04-14 | ASR245 | - | Apr 14, 07:35 UTC | Apr 14, 08:25 UTC | 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 F-HFRF page for operator, model, and routing details .