sensors Mode-S transponder
3949F9
ICAO 24-bit transponder address · allocated to France
Currently assigned to F-GSPZ · BOEING 777-200
- Hex
- 3949F9
- Octal
- 16244771
- Decimal
- 3,754,489
- Country
- FR
- Tail
- F-GSPZ
- Type
- B772
- Flights observed
- 95
- Distinct callsigns
- 20
- Country
- FR
- Last broadcast
- 7h ago
Last known position
Country allocation
The ICAO 24-bit address 3949F9 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 |
|---|---|---|---|
| AFR935 | Air France | 6 | 2026-05-11 |
| AFR187 | Air France | 6 | 2026-05-20 |
| AFR186 | Air France | 6 | 2026-05-19 |
| AFR706 | Air France | 5 | 2026-05-13 |
| AFR359P | - | 5 | 2026-05-24 |
| AFR378E | Air France | 4 | 2026-04-24 |
| AFR358P | Air France | 4 | 2026-05-23 |
| AFR081 | - | 4 | 2026-04-14 |
| AFR377 | Air France | 3 | 2026-04-25 |
| AFR357E | Air France | 3 | 2026-05-25 |
| AFR356G | Air France | 3 | 2026-05-25 |
| AFR33J | Air France | 3 | 2026-04-13 |
| AFR111 | Air France | 3 | 2026-05-27 |
| AFR82M | - | 2 | 2026-04-13 |
| AFR828 | Air France | 2 | 2026-05-08 |
| AFR719 | Air France | 2 | 2026-05-03 |
| AFR718 | Air France | 2 | 2026-05-03 |
| AFR705 | Air France | 2 | 2026-04-18 |
| AFR501 | Air France | 2 | 2026-05-29 |
| AFR500 | Air France | 2 | 2026-05-28 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-30 | AFR476 | CDG → HAV | May 30, 10:15 UTC | May 30, 13:30 UTC | 3h 15m |
| 2026-05-29 | AFR501 | ABJ → ACC | May 29, 01:25 UTC | May 29, 11:30 UTC | 10h 5m |
| 2026-05-28 | AFR500 | ACC → ABJ | May 28, 08:55 UTC | May 28, 20:50 UTC | 11h 55m |
| 2026-05-27 | AFR111 | PVG → CDG | May 27, 08:20 UTC | May 28, 03:45 UTC | 19h 25m |
| 2026-05-27 | AFR111 | PVG → CDG | May 27, 08:00 UTC | May 28, 03:45 UTC | 19h 45m |
| 2026-05-27 | AFR111 | PVG → CDG | May 27, 00:19 UTC | May 28, 00:05 UTC | 23h 45m |
| 2026-05-26 | AFR116 | CDG → PVG | May 26, 21:59 UTC | May 27, 15:35 UTC | 17h 35m |
| 2026-05-25 | AFR357E | YYZ → CDG | May 25, 23:24 UTC | May 26, 06:10 UTC | 6h 45m |
| 2026-05-25 | AFR356G | CDG → YYZ | May 25, 13:10 UTC | May 25, 20:50 UTC | 7h 39m |
| 2026-05-24 | AFR132 | CDG → DFW | May 24, 14:55 UTC | May 24, 18:45 UTC | 3h 50m |
| 2026-05-24 | AFR359P | - | May 24, 04:00 UTC | May 24, 10:40 UTC | 6h 40m |
| 2026-05-23 | AFR358P | CDG → YYZ | May 23, 17:30 UTC | May 24, 00:55 UTC | 7h 26m |
| 2026-05-23 | AFR093 | MIA → CDG | May 23, 04:25 UTC | May 23, 12:10 UTC | 7h 45m |
| 2026-05-22 | AFR092 | CDG → MIA | May 22, 16:20 UTC | May 23, 01:40 UTC | 9h 20m |
| 2026-05-22 | AFR359P | YYZ → CDG | May 22, 04:35 UTC | May 22, 10:45 UTC | 6h 10m |
| 2026-05-21 | AFR358P | CDG → YYZ | May 21, 18:30 UTC | May 22, 01:50 UTC | 7h 20m |
| 2026-05-20 | AFR187 | CDG → LAS | May 20, 00:05 UTC | May 20, 14:05 UTC | 14h 1m |
| 2026-05-19 | AFR186 | LAS → CDG | May 19, 08:45 UTC | May 19, 21:35 UTC | 12h 50m |
| 2026-05-18 | AFR923 | LBV → CDG | May 18, 09:05 UTC | May 19, 04:00 UTC | 18h 54m |
| 2026-05-17 | AFR187 | CDG → LAS | May 17, 00:15 UTC | May 17, 14:35 UTC | 14h 20m |
| 2026-05-16 | AFR186 | LAS → CDG | May 16, 08:05 UTC | May 16, 21:05 UTC | 13h 0m |
| 2026-05-15 | AFR283 | CDG → NRT | May 15, 19:50 UTC | May 16, 04:05 UTC | 8h 15m |
| 2026-05-15 | AFR284 | NRT → CDG | May 15, 09:45 UTC | May 15, 17:30 UTC | 7h 44m |
| 2026-05-13 | AFR706 | ABJ → DSS | May 13, 17:05 UTC | May 14, 08:00 UTC | 14h 55m |
| 2026-05-12 | AFR217 | BOM → CDG | May 12, 10:20 UTC | May 13, 05:45 UTC | 19h 25m |
| 2026-05-12 | AFR217 | BOM → CDG | May 12, 09:20 UTC | May 13, 05:45 UTC | 20h 25m |
| 2026-05-11 | AFR935 | TNR → CDG | May 11, 04:50 UTC | May 11, 09:00 UTC | 4h 10m |
| 2026-05-10 | AFR935 | TNR → CDG | May 10, 12:19 UTC | May 11, 09:00 UTC | 20h 41m |
| 2026-05-10 | AFR935 | TNR → CDG | May 10, 10:19 UTC | May 11, 09:00 UTC | 22h 41m |
| 2026-05-10 | AFR935 | TNR → CDG | May 10, 09:24 UTC | May 11, 08:15 UTC | 22h 50m |
| 2026-05-09 | AFR283 | CDG → NRT | May 9, 19:45 UTC | May 10, 04:25 UTC | 8h 40m |
| 2026-05-09 | AFR284 | NRT → CDG | May 9, 09:35 UTC | May 9, 17:15 UTC | 7h 40m |
| 2026-05-09 | AFR829 | COF → COF | May 9, 01:40 UTC | May 9, 05:05 UTC | 3h 25m |
| 2026-05-08 | AFR828 | CDG → NBO | May 8, 17:25 UTC | May 8, 17:35 UTC | 10m |
| 2026-05-08 | AFR828 | CDG → NBO | May 8, 09:34 UTC | May 8, 13:20 UTC | 3h 45m |
| 2026-05-07 | AFR935 | TNR → CDG | May 7, 05:20 UTC | May 7, 08:40 UTC | 3h 20m |
| 2026-05-06 | AFR935 | TNR → CDG | May 6, 10:20 UTC | May 7, 08:40 UTC | 22h 20m |
| 2026-05-06 | AFR934 | CDG → TNR | May 6, 08:50 UTC | May 7, 08:15 UTC | 23h 25m |
| 2026-05-05 | AFR989 | NSI → CDG | May 5, 21:05 UTC | May 6, 04:15 UTC | 7h 10m |
| 2026-05-05 | AFR988 | POB → POB | May 5, 09:05 UTC | May 5, 10:45 UTC | 1h 40m |
| 2026-05-04 | AFR343 | YUL → CDG | May 4, 21:15 UTC | May 5, 03:35 UTC | 6h 20m |
| 2026-05-04 | AFR342T | CDG → YUL | May 4, 09:00 UTC | May 4, 16:00 UTC | 7h 0m |
| 2026-05-03 | AFR719 | DSS → CDG | May 3, 23:30 UTC | May 4, 04:09 UTC | 4h 40m |
| 2026-05-03 | AFR718 | CDG → DSS | May 3, 15:40 UTC | May 3, 21:10 UTC | 5h 30m |
| 2026-05-02 | AFR501 | ABJ → ACC | May 2, 18:40 UTC | May 3, 10:45 UTC | 16h 4m |
| 2026-05-02 | AFR500 | ACC → ABJ | May 2, 08:30 UTC | May 3, 08:15 UTC | 23h 44m |
| 2026-05-01 | AFR719 | DSS → CDG | May 1, 23:05 UTC | May 2, 03:50 UTC | 4h 46m |
| 2026-05-01 | AFR718 | CDG → DSS | May 1, 15:15 UTC | May 1, 20:40 UTC | 5h 25m |
| 2026-05-01 | AFR443 | GIG → CDG | May 1, 01:30 UTC | May 1, 11:55 UTC | 10h 25m |
| 2026-04-30 | AFR442 | CDG → GIG | Apr 30, 11:50 UTC | Apr 30, 22:45 UTC | 10h 55m |
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-GSPZ page for operator, model, and routing details .