sensors Mode-S transponder
39CF13
ICAO 24-bit transponder address · allocated to France
Currently assigned to F-HTYT · AIRBUS A-350-900
- Hex
- 39CF13
- Octal
- 16347423
- Decimal
- 3,788,563
- Country
- FR
- Tail
- F-HTYT
- Type
- A359
- Flights observed
- 190
- Distinct callsigns
- 20
- Country
- FR
- Last broadcast
- Jul 26, 18:05 UTC
Current position
Country allocation
The ICAO 24-bit address 39CF13 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 |
|---|---|---|---|
| AFR435 | - | 12 | 2026-07-08 |
| AFR174 | - | 9 | 2026-06-30 |
| AFR173 | - | 8 | 2026-07-01 |
| AFR465 | - | 7 | 2026-07-15 |
| AFR722 | Air France | 6 | 2026-05-31 |
| AFR551 | Air France | 6 | 2026-05-27 |
| AFR407 | - | 6 | 2026-07-02 |
| AFR935 | Air France | 5 | 2026-07-21 |
| AFR570 | Air France | 5 | 2026-05-26 |
| AFR436 | Air France | 5 | 2026-05-24 |
| AFR198 | Air France | 5 | 2026-07-24 |
| AFR194 | - | 5 | 2026-06-18 |
| AFR406 | - | 4 | 2026-07-01 |
| AFR375G | - | 4 | 2026-07-12 |
| AFR374F | - | 4 | 2026-07-12 |
| AFR264 | - | 4 | 2026-06-12 |
| AFR199 | Air France | 4 | 2026-07-25 |
| AFR191 | - | 4 | 2026-06-18 |
| AFR75K | - | 3 | 2026-07-14 |
| AFR740 | Air France | 3 | 2026-07-26 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-26 | AFR740 | PTP → CDG | Jul 26, 11:25 UTC | Jul 26, 18:05 UTC | 6h 40m |
| 2026-07-25 | AFR199 | BKK → CDG | Jul 25, 04:55 UTC | Jul 25, 16:15 UTC | 11h 20m |
| 2026-07-24 | AFR198 | CDG → BKK | Jul 24, 14:55 UTC | Jul 25, 01:40 UTC | 10h 45m |
| 2026-07-23 | AFR337P | SEA → CDG | Jul 23, 21:20 UTC | Jul 24, 06:10 UTC | 8h 50m |
| 2026-07-23 | AFR338 | CDG → SEA | Jul 23, 09:05 UTC | Jul 23, 18:45 UTC | 9h 40m |
| 2026-07-22 | AFR740 | PTP → CDG | Jul 22, 11:35 UTC | Jul 23, 05:05 UTC | 17h 30m |
| 2026-07-21 | AFR935 | TNR → CDG | Jul 21, 04:20 UTC | Jul 21, 08:30 UTC | 4h 10m |
| 2026-07-20 | AFR935 | TNR → CDG | Jul 20, 10:50 UTC | Jul 21, 08:30 UTC | 21h 40m |
| 2026-07-20 | AFR935 | TNR → CDG | Jul 20, 09:20 UTC | Jul 21, 08:30 UTC | 23h 10m |
| 2026-07-19 | AFR740 | - | Jul 19, 11:15 UTC | Jul 20, 05:00 UTC | 17h 45m |
| 2026-07-18 | AFR337P | SEA → CDG | Jul 18, 21:20 UTC | Jul 19, 06:15 UTC | 8h 55m |
| 2026-07-18 | AFR338 | - | Jul 18, 09:25 UTC | Jul 18, 19:05 UTC | 9h 40m |
| 2026-07-16 | AFR253 | - | Jul 16, 20:49 UTC | Jul 17, 15:55 UTC | 19h 5m |
| 2026-07-16 | AFR253 | - | Jul 16, 19:14 UTC | Jul 17, 15:55 UTC | 20h 40m |
| 2026-07-16 | AFR253 | - | Jul 16, 14:50 UTC | Jul 17, 14:44 UTC | 23h 55m |
| 2026-07-16 | AFR258 | - | Jul 16, 12:49 UTC | Jul 17, 12:25 UTC | 23h 35m |
| 2026-07-16 | AFR258 | - | Jul 16, 12:25 UTC | Jul 17, 07:55 UTC | 19h 30m |
| 2026-07-15 | AFR465 | - | Jul 15, 10:50 UTC | Jul 16, 06:20 UTC | 19h 30m |
| 2026-07-15 | AFR465 | - | Jul 15, 09:25 UTC | Jul 16, 06:20 UTC | 20h 55m |
| 2026-07-14 | AFR75K | - | Jul 14, 22:50 UTC | Jul 15, 06:10 UTC | 7h 20m |
| 2026-07-14 | AFR074 | - | Jul 14, 12:35 UTC | Jul 14, 20:25 UTC | 7h 50m |
| 2026-07-14 | AFR935 | - | Jul 14, 07:10 UTC | Jul 14, 09:05 UTC | 1h 55m |
| 2026-07-13 | AFR935 | - | Jul 13, 10:50 UTC | Jul 14, 09:05 UTC | 22h 15m |
| 2026-07-13 | AFR934 | - | Jul 13, 09:05 UTC | Jul 14, 08:45 UTC | 23h 40m |
| 2026-07-12 | AFR375G | - | Jul 12, 21:20 UTC | Jul 13, 06:05 UTC | 8h 45m |
| 2026-07-12 | AFR374F | CDG → YVR | Jul 12, 09:00 UTC | Jul 12, 18:25 UTC | 9h 25m |
| 2026-07-10 | AFR199 | - | Jul 10, 07:40 UTC | Jul 10, 20:20 UTC | 12h 40m |
| 2026-07-10 | AFR198 | - | Jul 10, 04:35 UTC | Jul 10, 05:20 UTC | 45m |
| 2026-07-09 | AFR198 | - | Jul 9, 17:45 UTC | Jul 10, 02:35 UTC | 8h 50m |
| 2026-07-08 | AFR435 | - | Jul 8, 19:15 UTC | Jul 9, 14:45 UTC | 19h 30m |
| 2026-07-08 | AFR435 | - | Jul 8, 16:50 UTC | Jul 9, 14:45 UTC | 21h 55m |
| 2026-07-08 | AFR435 | - | Jul 8, 16:15 UTC | Jul 9, 14:45 UTC | 22h 30m |
| 2026-07-07 | AFR75K | RDU → CDG | Jul 7, 22:25 UTC | Jul 8, 05:40 UTC | 7h 15m |
| 2026-07-07 | AFR074 | - | Jul 7, 11:55 UTC | Jul 7, 19:45 UTC | 7h 50m |
| 2026-07-07 | AFR349 | YUL → CDG | Jul 7, 02:45 UTC | Jul 7, 08:55 UTC | 6h 10m |
| 2026-07-06 | AFR348F | - | Jul 6, 17:20 UTC | Jul 7, 00:10 UTC | 6h 50m |
| 2026-07-05 | AFR491 | - | Jul 5, 21:25 UTC | Jul 6, 13:00 UTC | 15h 35m |
| 2026-07-05 | AFR491 | - | Jul 5, 14:50 UTC | Jul 6, 13:00 UTC | 22h 10m |
| 2026-07-05 | AFR490 | - | Jul 5, 14:05 UTC | Jul 6, 12:45 UTC | 22h 40m |
| 2026-07-04 | AFR465 | - | Jul 4, 10:50 UTC | Jul 5, 06:15 UTC | 19h 25m |
| 2026-07-04 | AFR465 | - | Jul 4, 09:25 UTC | Jul 5, 06:15 UTC | 20h 50m |
| 2026-07-03 | AFR337P | SEA → CDG | Jul 3, 20:45 UTC | Jul 4, 05:45 UTC | 9h 0m |
| 2026-07-03 | AFR338 | - | Jul 3, 08:55 UTC | Jul 3, 18:25 UTC | 9h 30m |
| 2026-07-02 | AFR407 | - | Jul 2, 17:45 UTC | Jul 3, 04:05 UTC | 10h 20m |
| 2026-07-01 | AFR406 | - | Jul 1, 21:35 UTC | Jul 1, 23:00 UTC | 1h 25m |
| 2026-07-01 | AFR173 | - | Jul 1, 04:25 UTC | Jul 1, 14:40 UTC | 10h 15m |
| 2026-06-30 | AFR174 | - | Jun 30, 14:35 UTC | Jul 1, 01:30 UTC | 10h 55m |
| 2026-06-30 | AFR57J | LAS → CDG | Jun 30, 01:00 UTC | Jun 30, 10:20 UTC | 9h 21m |
| 2026-06-29 | AFR56T | - | Jun 29, 12:20 UTC | Jun 29, 22:35 UTC | 10h 15m |
| 2026-06-28 | AFR099 | - | Jun 28, 22:24 UTC | Jun 29, 07:05 UTC | 8h 40m |
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-HTYT page for operator, model, and routing details .