sensors Mode-S transponder
393EF1
ICAO 24-bit transponder address · allocated to France
Currently assigned to F-GPXR · SWEARINGEN Merlin 3
- Hex
- 393EF1
- Octal
- 16237361
- Decimal
- 3,751,665
- Country
- FR
- Tail
- F-GPXR
- Type
- SW3
- Flights observed
- 22
- Distinct callsigns
- 2
- Country
- FR
- Last broadcast
- 30m ago
Current position
Country allocation
The ICAO 24-bit address 393EF1 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 2 distinct
Recent flights last 22
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-30 | PXR7P | - | Jun 30, 13:10 UTC | Jun 30, 14:15 UTC | 1h 5m |
| 2026-06-30 | PXR7P | - | Jun 30, 05:10 UTC | Jun 30, 06:50 UTC | 1h 40m |
| 2026-06-26 | PXR7P | - | Jun 26, 07:14 UTC | Jun 26, 08:30 UTC | 1h 15m |
| 2026-06-25 | PXR7P | - | Jun 25, 08:34 UTC | Jun 25, 13:20 UTC | 4h 45m |
| 2026-06-24 | PXR7P | - | Jun 24, 09:45 UTC | Jun 24, 13:14 UTC | 3h 30m |
| 2026-06-23 | PXR7P | - | Jun 23, 08:30 UTC | Jun 23, 13:24 UTC | 4h 55m |
| 2026-06-22 | PXR7P | - | Jun 22, 09:19 UTC | Jun 22, 14:19 UTC | 5h 0m |
| 2026-06-13 | PXR7P | - | Jun 13, 07:25 UTC | Jun 13, 09:10 UTC | 1h 45m |
| 2026-06-12 | PXR7P | - | Jun 12, 13:35 UTC | Jun 12, 16:50 UTC | 3h 15m |
| 2026-06-12 | PXR7P | - | Jun 12, 07:20 UTC | Jun 12, 12:15 UTC | 4h 55m |
| 2026-05-30 | PXR7P | - | May 30, 06:55 UTC | May 30, 08:50 UTC | 1h 55m |
| 2026-05-29 | PXR7P | - | May 29, 07:30 UTC | May 29, 10:20 UTC | 2h 50m |
| 2026-05-28 | PXR7P | - | May 28, 13:50 UTC | May 28, 14:50 UTC | 1h 0m |
| 2026-05-28 | PXR7P | - | May 28, 07:20 UTC | May 28, 12:05 UTC | 4h 45m |
| 2026-05-27 | PXR7P | - | May 27, 16:45 UTC | May 27, 17:10 UTC | 25m |
| 2026-05-19 | PXR7P | - | May 19, 05:40 UTC | May 19, 06:00 UTC | 20m |
| 2026-05-17 | PXR7V | - | May 17, 09:25 UTC | May 17, 10:15 UTC | 50m |
| 2026-05-17 | PXR7V | - | May 17, 02:05 UTC | May 17, 08:30 UTC | 6h 25m |
| 2026-05-16 | PXR7V | - | May 16, 15:55 UTC | May 16, 22:05 UTC | 6h 10m |
| 2026-05-16 | PXR7V | - | May 16, 07:25 UTC | May 16, 09:31 UTC | 2h 5m |
| 2026-05-15 | PXR7V | - | May 15, 08:45 UTC | May 15, 12:45 UTC | 4h 0m |
| 2026-04-25 | PXR7P | - | Apr 25, 07:55 UTC | Apr 25, 09:05 UTC | 1h 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 F-GPXR page for operator, model, and routing details .