sensors Mode-S transponder
39CF0B
ICAO 24-bit transponder address · allocated to France
Currently assigned to F-HTYL · AIRBUS A-350-900
- Hex
- 39CF0B
- Octal
- 16347413
- Decimal
- 3,788,555
- Country
- FR
- Tail
- F-HTYL
- Type
- A359
- Flights observed
- 109
- Distinct callsigns
- 20
- Country
- FR
- Last broadcast
- 3h ago
Last known position
Country allocation
The ICAO 24-bit address 39CF0B 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 | Air France | 9 | 2026-05-23 |
| AFR491 | Air France | 8 | 2026-05-25 |
| AFR436 | Air France | 7 | 2026-05-22 |
| AFR468 | Air France | 5 | 2026-04-17 |
| AFR431 | Air France | 5 | 2026-05-30 |
| AFR194 | Air France | 5 | 2026-04-16 |
| AFR490 | Air France | 4 | 2026-05-16 |
| AFR332 | Air France | 4 | 2026-05-06 |
| AFR331E | - | 4 | 2026-05-07 |
| AFR253 | Air France | 4 | 2026-04-28 |
| AFR191 | Air France | 4 | 2026-04-17 |
| AFR570 | Air France | 3 | 2026-05-23 |
| AFR551 | Air France | 3 | 2026-05-24 |
| AFR477 | Air France | 3 | 2026-04-18 |
| AFR430 | Air France | 3 | 2026-05-29 |
| AFR375G | Air France | 3 | 2026-05-27 |
| AFR374F | Air France | 3 | 2026-05-27 |
| AFR11E | Air France | 3 | 2026-05-21 |
| AFR012 | Air France | 3 | 2026-05-20 |
| AFR669 | Air France | 2 | 2026-05-01 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-30 | AFR431 | SJO → CDG | May 30, 02:06 UTC | May 30, 05:20 UTC | 3h 14m |
| 2026-05-29 | AFR430 | CDG → SJO | May 29, 12:35 UTC | May 29, 23:00 UTC | 10h 25m |
| 2026-05-27 | AFR375G | YVR → CDG | May 27, 20:45 UTC | May 28, 05:40 UTC | 8h 55m |
| 2026-05-27 | AFR374F | CDG → YVR | May 27, 09:00 UTC | May 27, 18:25 UTC | 9h 25m |
| 2026-05-25 | AFR491 | CDG → PUJ | May 25, 05:00 UTC | May 25, 12:45 UTC | 7h 45m |
| 2026-05-24 | AFR491 | CDG → PUJ | May 24, 14:50 UTC | May 25, 12:45 UTC | 21h 55m |
| 2026-05-24 | AFR491 | CDG → PUJ | May 24, 14:20 UTC | May 25, 12:45 UTC | 22h 25m |
| 2026-05-24 | AFR551 | CAI → CDG | May 24, 01:35 UTC | May 24, 05:35 UTC | 4h 0m |
| 2026-05-23 | AFR570 | CDG → CAI | May 23, 19:35 UTC | May 23, 23:10 UTC | 3h 35m |
| 2026-05-23 | AFR435 | MEX → CDG | May 23, 03:00 UTC | May 23, 12:35 UTC | 9h 35m |
| 2026-05-22 | AFR436 | CDG → BOG | May 22, 14:15 UTC | May 23, 00:50 UTC | 10h 35m |
| 2026-05-22 | AFR35T | ATL → CDG | May 22, 02:45 UTC | May 22, 10:15 UTC | 7h 30m |
| 2026-05-21 | AFR34N | CDG → ATL | May 21, 15:10 UTC | May 21, 23:55 UTC | 8h 45m |
| 2026-05-21 | AFR11E | JFK → CDG | May 21, 05:45 UTC | May 21, 12:00 UTC | 6h 15m |
| 2026-05-20 | AFR012 | CDG → JFK | May 20, 18:45 UTC | May 21, 02:45 UTC | 8h 0m |
| 2026-05-20 | AFR081 | SFO → CDG | May 20, 03:45 UTC | May 20, 13:35 UTC | 9h 51m |
| 2026-05-19 | AFR82M | CDG → SFO | May 19, 14:00 UTC | May 20, 00:20 UTC | 10h 20m |
| 2026-05-19 | AFR57J | LAS → CDG | May 19, 01:30 UTC | May 19, 10:50 UTC | 9h 20m |
| 2026-05-18 | AFR56T | CDG → LAS | May 18, 11:55 UTC | May 18, 22:30 UTC | 10h 34m |
| 2026-05-18 | AFR551 | CAI → CDG | May 18, 01:35 UTC | May 18, 05:35 UTC | 4h 0m |
| 2026-05-17 | AFR570 | CDG → CAI | May 17, 19:30 UTC | May 17, 23:00 UTC | 3h 30m |
| 2026-05-16 | AFR491 | CDG → PUJ | May 16, 22:00 UTC | May 17, 12:35 UTC | 14h 35m |
| 2026-05-16 | AFR490 | CDG → PTY | May 16, 14:51 UTC | May 17, 12:35 UTC | 21h 45m |
| 2026-05-16 | AFR490 | CDG → PTY | May 16, 14:20 UTC | May 17, 12:35 UTC | 22h 15m |
| 2026-05-16 | AFR53M | IAD → CDG | May 16, 01:45 UTC | May 16, 08:31 UTC | 6h 46m |
| 2026-05-15 | AFR52X | CDG → IAD | May 15, 15:45 UTC | May 15, 23:30 UTC | 7h 45m |
| 2026-05-14 | AFR491 | CDG → PUJ | May 14, 22:00 UTC | May 15, 12:45 UTC | 14h 45m |
| 2026-05-14 | AFR491 | CDG → PUJ | May 14, 14:30 UTC | May 15, 12:45 UTC | 22h 15m |
| 2026-05-13 | AFR407 | SCL → CDG | May 13, 16:30 UTC | May 14, 03:45 UTC | 11h 15m |
| 2026-05-13 | AFR407 | SCL → CDG | May 13, 14:55 UTC | May 13, 15:05 UTC | 10m |
| 2026-05-12 | AFR406 | CDG → SCL | May 12, 21:50 UTC | May 12, 23:20 UTC | 1h 30m |
| 2026-05-12 | AFR097 | MCO → CDG | May 12, 03:10 UTC | May 12, 11:00 UTC | 7h 50m |
| 2026-05-11 | AFR096 | CDG → MCO | May 11, 15:20 UTC | May 11, 22:35 UTC | 7h 15m |
| 2026-05-11 | AFR093 | MIA → CDG | May 11, 03:40 UTC | May 11, 11:50 UTC | 8h 10m |
| 2026-05-10 | AFR092 | CDG → MIA | May 10, 15:19 UTC | May 11, 00:19 UTC | 9h 0m |
| 2026-05-10 | AFR11E | JFK → CDG | May 10, 05:20 UTC | May 10, 12:00 UTC | 6h 40m |
| 2026-05-09 | AFR012 | CDG → JFK | May 9, 18:55 UTC | May 10, 02:24 UTC | 7h 30m |
| 2026-05-09 | AFR173 | MEX → CDG | May 9, 04:55 UTC | May 9, 15:05 UTC | 10h 10m |
| 2026-05-08 | AFR174 | CDG → MEX | May 8, 14:20 UTC | May 9, 02:15 UTC | 11h 55m |
| 2026-05-08 | AFR35T | ATL → CDG | May 8, 02:35 UTC | May 8, 10:14 UTC | 7h 40m |
| 2026-05-07 | AFR34N | CDG → ATL | May 7, 15:00 UTC | May 8, 00:05 UTC | 9h 4m |
| 2026-05-07 | AFR331E | BOS → CDG | May 7, 02:05 UTC | May 7, 08:20 UTC | 6h 15m |
| 2026-05-06 | AFR332 | CDG → BOS | May 6, 16:55 UTC | May 6, 23:55 UTC | 6h 59m |
| 2026-05-06 | AFR435 | MEX → CDG | May 6, 05:55 UTC | May 6, 14:25 UTC | 8h 30m |
| 2026-05-05 | AFR436 | CDG → BOG | May 5, 14:30 UTC | May 5, 22:40 UTC | 8h 10m |
| 2026-05-04 | AFR431 | SJO → CDG | May 4, 20:00 UTC | May 5, 11:30 UTC | 15h 30m |
| 2026-05-04 | AFR431 | SJO → CDG | May 4, 12:50 UTC | May 5, 11:30 UTC | 22h 41m |
| 2026-05-04 | AFR430 | CDG → SJO | May 4, 12:20 UTC | May 5, 10:45 UTC | 22h 26m |
| 2026-05-03 | AFR11E | JFK → CDG | May 3, 05:30 UTC | May 3, 12:05 UTC | 6h 35m |
| 2026-05-02 | AFR012 | CDG → JFK | May 2, 19:35 UTC | May 3, 02:45 UTC | 7h 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-HTYL page for operator, model, and routing details .