sensors Mode-S transponder
39CF0E
ICAO 24-bit transponder address · allocated to France
Currently assigned to F-HTYO · AIRBUS A-350-900
- Hex
- 39CF0E
- Octal
- 16347416
- Decimal
- 3,788,558
- Country
- FR
- Tail
- F-HTYO
- Type
- A359
- Flights observed
- 103
- Distinct callsigns
- 20
- Country
- FR
- Last broadcast
- 3h ago
Last known position
Country allocation
The ICAO 24-bit address 39CF0E 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 |
|---|---|---|---|
| AFR477 | Air France | 13 | 2026-05-13 |
| AFR468 | Air France | 11 | 2026-05-12 |
| AFR407 | Air France | 11 | 2026-05-14 |
| AFR406 | Air France | 7 | 2026-05-29 |
| AFR253 | Air France | 7 | 2026-05-28 |
| AFR722 | Air France | 5 | 2026-05-22 |
| AFR258 | Air France | 4 | 2026-05-28 |
| AFR173 | Air France | 4 | 2026-05-10 |
| AFR570 | Air France | 3 | 2026-05-18 |
| AFR551 | Air France | 3 | 2026-05-19 |
| AFR174 | Air France | 3 | 2026-05-09 |
| AFR863 | Air France | 2 | 2026-05-21 |
| AFR468A | Air France | 2 | 2026-04-13 |
| AFR435 | Air France | 2 | 2026-04-23 |
| AFR4081 | Air France | 2 | 2026-04-20 |
| AFR375G | Air France | 2 | 2026-05-25 |
| AFR374F | Air France | 2 | 2026-05-25 |
| AFR11E | Air France | 2 | 2026-05-11 |
| AFR012 | Air France | 2 | 2026-05-10 |
| AFR995 | Air France | 1 | 2026-05-02 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | AFR406 | CDG → SCL | May 29, 22:00 UTC | May 30, 10:10 UTC | 12h 10m |
| 2026-05-28 | AFR253 | SGN → CDG | May 28, 21:35 UTC | May 29, 15:45 UTC | 18h 10m |
| 2026-05-28 | AFR253 | SGN → CDG | May 28, 19:35 UTC | May 29, 15:45 UTC | 20h 10m |
| 2026-05-28 | AFR253 | SGN → CDG | May 28, 19:10 UTC | May 29, 15:45 UTC | 20h 35m |
| 2026-05-28 | AFR253 | SGN → CDG | May 28, 15:35 UTC | May 29, 15:30 UTC | 23h 55m |
| 2026-05-28 | AFR258 | CDG → SGN | May 28, 13:35 UTC | May 29, 13:30 UTC | 23h 55m |
| 2026-05-28 | AFR258 | CDG → SGN | May 28, 12:50 UTC | May 29, 11:30 UTC | 22h 40m |
| 2026-05-27 | AFR181 | SIN → CDG | May 27, 03:04 UTC | May 27, 16:35 UTC | 13h 30m |
| 2026-05-26 | AFR182 | CDG → SIN | May 26, 11:44 UTC | May 26, 23:45 UTC | 12h 0m |
| 2026-05-25 | AFR375G | YVR → CDG | May 25, 20:30 UTC | May 26, 05:15 UTC | 8h 45m |
| 2026-05-25 | AFR374F | CDG → YVR | May 25, 08:50 UTC | May 25, 18:10 UTC | 9h 20m |
| 2026-05-24 | AFR287 | HND → CDG | May 24, 04:35 UTC | May 24, 18:35 UTC | 14h 0m |
| 2026-05-23 | AFR286 | CDG → HND | May 23, 11:10 UTC | May 23, 23:45 UTC | 12h 36m |
| 2026-05-22 | AFR722 | CDG → FIH | May 22, 09:35 UTC | May 23, 05:00 UTC | 19h 24m |
| 2026-05-22 | AFR722 | CDG → FIH | May 22, 08:55 UTC | May 23, 05:00 UTC | 20h 4m |
| 2026-05-21 | AFR863 | LFW → CDG | May 21, 14:20 UTC | May 22, 04:55 UTC | 14h 35m |
| 2026-05-21 | AFR57J | LAS → CDG | May 21, 01:35 UTC | May 21, 10:55 UTC | 9h 20m |
| 2026-05-20 | AFR56T | CDG → LAS | May 20, 12:10 UTC | May 20, 22:35 UTC | 10h 25m |
| 2026-05-19 | AFR099 | MIA → CDG | May 19, 21:15 UTC | May 20, 06:25 UTC | 9h 11m |
| 2026-05-19 | AFR98G | CDG → IAH | May 19, 08:45 UTC | May 19, 18:45 UTC | 10h 0m |
| 2026-05-19 | AFR551 | CAI → CDG | May 19, 01:25 UTC | May 19, 05:35 UTC | 4h 10m |
| 2026-05-18 | AFR570 | CDG → CAI | May 18, 19:15 UTC | May 18, 22:45 UTC | 3h 30m |
| 2026-05-16 | AFR253 | SGN → CDG | May 16, 19:35 UTC | May 17, 15:31 UTC | 19h 55m |
| 2026-05-16 | AFR253 | SGN → CDG | May 16, 19:05 UTC | May 17, 15:31 UTC | 20h 25m |
| 2026-05-16 | AFR253 | SGN → CDG | May 16, 15:55 UTC | May 17, 15:31 UTC | 23h 35m |
| 2026-05-16 | AFR258 | CDG → SGN | May 16, 13:35 UTC | May 17, 13:31 UTC | 23h 55m |
| 2026-05-16 | AFR258 | CDG → SGN | May 16, 12:31 UTC | May 17, 11:30 UTC | 23h 0m |
| 2026-05-15 | AFR375G | YVR → CDG | May 15, 20:35 UTC | May 16, 05:25 UTC | 8h 50m |
| 2026-05-15 | AFR374F | CDG → YVR | May 15, 08:45 UTC | May 15, 18:10 UTC | 9h 24m |
| 2026-05-14 | AFR407 | SCL → CDG | May 14, 16:25 UTC | May 15, 03:50 UTC | 11h 25m |
| 2026-05-14 | AFR407 | SCL → CDG | May 14, 14:40 UTC | May 14, 14:55 UTC | 15m |
| 2026-05-13 | AFR406 | CDG → SCL | May 13, 21:35 UTC | May 13, 22:55 UTC | 1h 20m |
| 2026-05-13 | AFR477 | CDG → PTY | May 13, 03:40 UTC | May 13, 15:55 UTC | 12h 15m |
| 2026-05-12 | AFR468 | CDG → CCS | May 12, 11:50 UTC | May 13, 01:00 UTC | 13h 10m |
| 2026-05-11 | AFR11E | JFK → CDG | May 11, 06:00 UTC | May 11, 12:35 UTC | 6h 35m |
| 2026-05-10 | AFR012 | CDG → JFK | May 10, 18:55 UTC | May 11, 02:05 UTC | 7h 10m |
| 2026-05-10 | AFR173 | MEX → CDG | May 10, 05:50 UTC | May 10, 14:30 UTC | 8h 40m |
| 2026-05-10 | AFR173 | MEX → CDG | May 10, 04:29 UTC | May 10, 04:39 UTC | 10m |
| 2026-05-09 | AFR174 | CDG → MEX | May 9, 14:25 UTC | May 10, 02:10 UTC | 11h 45m |
| 2026-05-08 | AFR407 | SCL → CDG | May 8, 16:20 UTC | May 9, 03:20 UTC | 11h 0m |
| 2026-05-08 | AFR407 | SCL → CDG | May 8, 14:40 UTC | May 8, 14:55 UTC | 15m |
| 2026-05-07 | AFR406 | CDG → SCL | May 7, 21:40 UTC | May 8, 08:34 UTC | 10h 55m |
| 2026-05-05 | AFR407 | SCL → CDG | May 5, 16:25 UTC | May 6, 03:20 UTC | 10h 55m |
| 2026-05-05 | AFR407 | SCL → CDG | May 5, 14:45 UTC | May 5, 15:01 UTC | 15m |
| 2026-05-04 | AFR406 | CDG → SCL | May 4, 21:40 UTC | May 4, 23:05 UTC | 1h 25m |
| 2026-05-04 | AFR477 | CDG → PTY | May 4, 04:00 UTC | May 4, 15:50 UTC | 11h 50m |
| 2026-05-03 | AFR468 | CDG → CCS | May 3, 11:55 UTC | May 4, 01:40 UTC | 13h 45m |
| 2026-05-02 | AFR995 | JNB → CDG | May 2, 17:25 UTC | May 3, 04:00 UTC | 10h 34m |
| 2026-05-01 | AFR990 | CDG → JNB | May 1, 21:40 UTC | May 2, 07:45 UTC | 10h 5m |
| 2026-05-01 | AFR11E | JFK → CDG | May 1, 05:25 UTC | May 1, 12:05 UTC | 6h 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-HTYO page for operator, model, and routing details .