sensors Mode-S transponder
39CF10
ICAO 24-bit transponder address · allocated to France
Currently assigned to F-HTYQ · AIRBUS A-350-900
- Hex
- 39CF10
- Octal
- 16347420
- Decimal
- 3,788,560
- Country
- FR
- Tail
- F-HTYQ
- Type
- A359
- Flights observed
- 193
- Distinct callsigns
- 20
- Country
- FR
- Last broadcast
- 4h ago
Current position
Country allocation
The ICAO 24-bit address 39CF10 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 20 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| AFR407 | Air France | 9 | 2026-06-09 |
| AFR435 | - | 8 | 2026-07-02 |
| AFR491 | - | 7 | 2026-06-25 |
| AFR253 | - | 7 | 2026-07-05 |
| AFR194 | Air France | 7 | 2026-05-25 |
| AFR097 | - | 7 | 2026-06-19 |
| AFR096 | - | 7 | 2026-06-18 |
| AFR196 | Air France | 6 | 2026-04-14 |
| AFR195 | Air France | 6 | 2026-04-15 |
| AFR191 | Air France | 6 | 2026-05-25 |
| AFR570 | - | 5 | 2026-06-11 |
| AFR468 | Air France | 5 | 2026-05-30 |
| AFR436 | - | 5 | 2026-07-01 |
| AFR551 | Air France | 4 | 2026-06-12 |
| AFR477 | Air France | 4 | 2026-05-30 |
| AFR406 | Air France | 4 | 2026-06-08 |
| AFR258 | - | 4 | 2026-07-04 |
| AFR174 | - | 4 | 2026-06-19 |
| AFR173 | - | 4 | 2026-06-20 |
| AFR11E | Air France | 4 | 2026-04-20 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-14 | AFR062 | - | Jul 14, 10:55 UTC | Jul 14, 12:30 UTC | 1h 35m |
| 2026-07-13 | AFR75K | - | Jul 13, 22:20 UTC | Jul 14, 05:30 UTC | 7h 10m |
| 2026-07-13 | AFR074 | - | Jul 13, 11:45 UTC | Jul 13, 19:40 UTC | 7h 55m |
| 2026-07-12 | AFR337P | SEA → CDG | Jul 12, 21:10 UTC | Jul 13, 05:55 UTC | 8h 45m |
| 2026-07-12 | AFR338 | - | Jul 12, 08:50 UTC | Jul 12, 18:30 UTC | 9h 40m |
| 2026-07-11 | AFR75K | - | Jul 11, 22:20 UTC | Jul 12, 05:25 UTC | 7h 5m |
| 2026-07-11 | AFR074 | - | Jul 11, 11:35 UTC | Jul 11, 19:45 UTC | 8h 10m |
| 2026-07-10 | AFR375G | YVR → CDG | Jul 10, 21:15 UTC | Jul 11, 05:55 UTC | 8h 40m |
| 2026-07-10 | AFR374F | - | Jul 10, 09:35 UTC | Jul 10, 18:55 UTC | 9h 20m |
| 2026-07-09 | AFR199 | - | Jul 9, 06:10 UTC | Jul 9, 18:35 UTC | 12h 25m |
| 2026-07-08 | AFR198 | - | Jul 8, 15:55 UTC | Jul 9, 03:55 UTC | 12h 0m |
| 2026-07-08 | AFR179 | - | Jul 8, 02:45 UTC | Jul 8, 12:50 UTC | 10h 5m |
| 2026-07-07 | AFR178 | - | Jul 7, 13:10 UTC | Jul 8, 00:00 UTC | 10h 50m |
| 2026-07-06 | AFR337P | - | Jul 6, 22:30 UTC | Jul 7, 07:20 UTC | 8h 50m |
| 2026-07-06 | AFR338 | - | Jul 6, 09:50 UTC | Jul 6, 19:25 UTC | 9h 35m |
| 2026-07-05 | AFR253 | - | Jul 5, 09:45 UTC | Jul 5, 18:25 UTC | 8h 40m |
| 2026-07-04 | AFR253 | - | Jul 4, 22:55 UTC | Jul 5, 18:25 UTC | 19h 30m |
| 2026-07-04 | AFR253 | - | Jul 4, 21:15 UTC | Jul 5, 18:25 UTC | 21h 10m |
| 2026-07-04 | AFR253 | - | Jul 4, 18:05 UTC | Jul 5, 18:00 UTC | 23h 55m |
| 2026-07-04 | AFR258 | - | Jul 4, 16:05 UTC | Jul 5, 16:00 UTC | 23h 55m |
| 2026-07-04 | AFR258 | - | Jul 4, 14:40 UTC | Jul 5, 14:00 UTC | 23h 20m |
| 2026-07-04 | AFR415 | - | Jul 4, 03:30 UTC | Jul 4, 11:30 UTC | 8h 0m |
| 2026-07-03 | AFR416 | - | Jul 3, 13:10 UTC | Jul 4, 00:45 UTC | 11h 35m |
| 2026-07-03 | AFR349 | YUL → CDG | Jul 3, 03:50 UTC | Jul 3, 10:05 UTC | 6h 15m |
| 2026-07-02 | AFR348F | - | Jul 2, 17:15 UTC | Jul 3, 01:25 UTC | 8h 10m |
| 2026-07-02 | AFR435 | - | Jul 2, 12:30 UTC | Jul 2, 13:55 UTC | 1h 25m |
| 2026-07-01 | AFR436 | - | Jul 1, 15:05 UTC | Jul 1, 16:45 UTC | 1h 40m |
| 2026-06-30 | AFR75K | - | Jun 30, 22:25 UTC | Jul 1, 05:40 UTC | 7h 15m |
| 2026-06-30 | AFR074 | - | Jun 30, 11:55 UTC | Jun 30, 20:00 UTC | 8h 5m |
| 2026-06-29 | AFR579 | - | Jun 29, 16:15 UTC | Jun 30, 06:35 UTC | 14h 21m |
| 2026-06-29 | AFR435 | - | Jun 29, 11:50 UTC | Jun 29, 13:04 UTC | 1h 15m |
| 2026-06-28 | AFR436 | - | Jun 28, 14:54 UTC | Jun 29, 00:05 UTC | 9h 10m |
| 2026-06-28 | AFR349 | YUL → CDG | Jun 28, 02:34 UTC | Jun 28, 08:44 UTC | 6h 10m |
| 2026-06-27 | AFR348F | CDG → YUL | Jun 27, 16:55 UTC | Jun 27, 23:34 UTC | 6h 40m |
| 2026-06-25 | AFR491 | - | Jun 25, 22:39 UTC | Jun 26, 13:10 UTC | 14h 30m |
| 2026-06-25 | AFR491 | - | Jun 25, 16:05 UTC | Jun 26, 13:10 UTC | 21h 5m |
| 2026-06-25 | AFR491 | - | Jun 25, 15:15 UTC | Jun 26, 13:10 UTC | 21h 55m |
| 2026-06-25 | AFR179 | - | Jun 25, 02:10 UTC | Jun 25, 11:59 UTC | 9h 50m |
| 2026-06-24 | AFR178 | - | Jun 24, 12:25 UTC | Jun 24, 23:34 UTC | 11h 10m |
| 2026-06-24 | AFR935 | - | Jun 24, 05:59 UTC | Jun 24, 09:05 UTC | 3h 5m |
| 2026-06-23 | AFR935 | - | Jun 23, 12:20 UTC | Jun 24, 09:05 UTC | 20h 45m |
| 2026-06-23 | AFR935 | - | Jun 23, 10:04 UTC | Jun 24, 09:05 UTC | 23h 0m |
| 2026-06-23 | AFR934 | - | Jun 23, 09:29 UTC | Jun 24, 07:59 UTC | 22h 30m |
| 2026-06-22 | AFR375G | - | Jun 22, 23:14 UTC | Jun 23, 05:34 UTC | 6h 20m |
| 2026-06-22 | AFR375G | - | Jun 22, 20:44 UTC | Jun 22, 21:00 UTC | 15m |
| 2026-06-22 | AFR374F | - | Jun 22, 08:50 UTC | Jun 22, 18:09 UTC | 9h 20m |
| 2026-06-21 | AFR199 | - | Jun 21, 07:34 UTC | Jun 21, 19:34 UTC | 12h 0m |
| 2026-06-20 | AFR198 | - | Jun 20, 18:29 UTC | Jun 21, 05:25 UTC | 10h 55m |
| 2026-06-20 | AFR173 | - | Jun 20, 04:54 UTC | Jun 20, 14:39 UTC | 9h 45m |
| 2026-06-19 | AFR174 | - | Jun 19, 14:15 UTC | Jun 20, 01:29 UTC | 11h 15m |
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-HTYQ page for operator, model, and routing details .