sensors Mode-S transponder
3949E3
ICAO 24-bit transponder address · allocated to France
Currently assigned to F-GSPD · BOEING 777-200
- Hex
- 3949E3
- Octal
- 16244743
- Decimal
- 3,754,467
- Country
- FR
- Tail
- F-GSPD
- Type
- B772
- Flights observed
- 85
- Distinct callsigns
- 20
- Country
- FR
- Last broadcast
- 3h ago
Last known position
Country allocation
The ICAO 24-bit address 3949E3 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 |
|---|---|---|---|
| AFR116 | Air France | 10 | 2026-05-22 |
| AFR111 | Air France | 9 | 2026-05-22 |
| AFR218 | Air France | 7 | 2026-05-25 |
| AFR837 | Air France | 6 | 2026-04-29 |
| AFR828 | Air France | 6 | 2026-05-27 |
| AFR217 | Air France | 6 | 2026-05-25 |
| AFR283 | Air France | 5 | 2026-05-01 |
| AFR836 | Air France | 4 | 2026-04-17 |
| AFR829 | Air France | 3 | 2026-05-28 |
| AFR465 | Air France | 3 | 2026-05-13 |
| AFR442 | Air France | 3 | 2026-05-10 |
| AFR378E | Air France | 3 | 2026-05-14 |
| AFR377 | Air France | 3 | 2026-05-15 |
| AFR805 | Air France | 2 | 2026-04-26 |
| AFR443 | Air France | 2 | 2026-05-11 |
| AFR187 | Air France | 2 | 2026-05-21 |
| AFR186 | Air France | 2 | 2026-05-20 |
| AFR972 | Air France | 1 | 2026-04-18 |
| AFR971 | Air France | 1 | 2026-04-18 |
| AFR933 | Air France | 1 | 2026-05-26 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-30 | AFR59N | DEN → CDG | May 30, 00:35 UTC | May 30, 09:25 UTC | 8h 50m |
| 2026-05-29 | AFR58P | CDG → DEN | May 29, 12:05 UTC | May 29, 21:55 UTC | 9h 50m |
| 2026-05-28 | AFR829 | COF → COF | May 28, 02:50 UTC | May 28, 05:45 UTC | 2h 55m |
| 2026-05-27 | AFR828 | CDG → NBO | May 27, 18:50 UTC | May 27, 19:05 UTC | 15m |
| 2026-05-27 | AFR828 | CDG → NBO | May 27, 11:05 UTC | May 27, 14:00 UTC | 2h 55m |
| 2026-05-26 | AFR933 | LAD → CDG | May 26, 22:09 UTC | May 27, 06:44 UTC | 8h 35m |
| 2026-05-26 | AFR930 | CDG → LAD | May 26, 09:45 UTC | May 26, 17:25 UTC | 7h 40m |
| 2026-05-25 | AFR217 | BOM → CDG | May 25, 20:34 UTC | May 26, 05:40 UTC | 9h 5m |
| 2026-05-25 | AFR218 | CDG → BOM | May 25, 09:10 UTC | May 25, 17:35 UTC | 8h 25m |
| 2026-05-24 | AFR217 | BOM → CDG | May 24, 20:25 UTC | May 25, 05:40 UTC | 9h 15m |
| 2026-05-24 | AFR218 | CDG → BOM | May 24, 09:00 UTC | May 24, 17:30 UTC | 8h 30m |
| 2026-05-22 | AFR111 | PVG → CDG | May 22, 23:00 UTC | May 23, 03:20 UTC | 4h 19m |
| 2026-05-22 | AFR116 | CDG → PVG | May 22, 01:30 UTC | May 22, 23:45 UTC | 22h 15m |
| 2026-05-21 | AFR116 | CDG → PVG | May 21, 21:50 UTC | May 22, 02:15 UTC | 4h 25m |
| 2026-05-21 | AFR187 | CDG → LAS | May 21, 00:10 UTC | May 21, 14:10 UTC | 14h 0m |
| 2026-05-20 | AFR186 | LAS → CDG | May 20, 08:00 UTC | May 20, 20:30 UTC | 12h 30m |
| 2026-05-19 | AFR829 | COF → COF | May 19, 02:10 UTC | May 19, 05:15 UTC | 3h 5m |
| 2026-05-18 | AFR828 | CDG → NBO | May 18, 17:30 UTC | May 18, 17:40 UTC | 10m |
| 2026-05-18 | AFR828 | CDG → NBO | May 18, 09:55 UTC | May 18, 13:15 UTC | 3h 20m |
| 2026-05-17 | AFR217 | BOM → CDG | May 17, 21:10 UTC | May 18, 06:55 UTC | 9h 45m |
| 2026-05-17 | AFR218 | CDG → BOM | May 17, 09:20 UTC | May 17, 18:20 UTC | 9h 0m |
| 2026-05-15 | AFR149 | LOS → CDG | May 15, 14:05 UTC | May 16, 05:56 UTC | 15h 50m |
| 2026-05-15 | AFR377 | DTW → CDG | May 15, 01:25 UTC | May 15, 08:40 UTC | 7h 15m |
| 2026-05-14 | AFR378E | CDG → DTW | May 14, 14:05 UTC | May 14, 22:05 UTC | 8h 0m |
| 2026-05-13 | AFR465 | SSA → CDG | May 13, 16:35 UTC | May 14, 05:30 UTC | 12h 55m |
| 2026-05-13 | AFR465 | SSA → CDG | May 13, 08:50 UTC | May 14, 05:30 UTC | 20h 40m |
| 2026-05-13 | AFR465 | SSA → CDG | May 13, 08:30 UTC | May 14, 05:30 UTC | 21h 0m |
| 2026-05-11 | AFR443 | GIG → CDG | May 11, 02:10 UTC | May 11, 12:10 UTC | 10h 0m |
| 2026-05-10 | AFR442 | CDG → GIG | May 10, 23:00 UTC | May 10, 23:19 UTC | 20m |
| 2026-05-10 | AFR442 | CDG → GIG | May 10, 12:05 UTC | May 10, 22:15 UTC | 10h 10m |
| 2026-05-08 | AFR111 | PVG → CDG | May 8, 15:10 UTC | May 9, 03:20 UTC | 12h 10m |
| 2026-05-08 | AFR111 | PVG → CDG | May 8, 08:05 UTC | May 9, 03:20 UTC | 19h 15m |
| 2026-05-08 | AFR116 | CDG → PVG | May 8, 01:49 UTC | May 8, 19:15 UTC | 17h 25m |
| 2026-05-07 | AFR116 | CDG → PVG | May 7, 22:50 UTC | May 8, 19:15 UTC | 20h 25m |
| 2026-05-07 | AFR116 | CDG → PVG | May 7, 22:10 UTC | May 8, 19:15 UTC | 21h 5m |
| 2026-05-04 | AFR111 | PVG → CDG | May 4, 08:50 UTC | May 5, 03:25 UTC | 18h 36m |
| 2026-05-04 | AFR111 | PVG → CDG | May 4, 08:35 UTC | May 5, 03:25 UTC | 18h 51m |
| 2026-05-04 | AFR111 | PVG → CDG | May 4, 00:50 UTC | May 4, 23:50 UTC | 23h 1m |
| 2026-05-03 | AFR116 | CDG → PVG | May 3, 22:49 UTC | May 4, 22:45 UTC | 23h 56m |
| 2026-05-03 | AFR116 | CDG → PVG | May 3, 22:09 UTC | May 4, 15:35 UTC | 17h 25m |
| 2026-05-03 | AFR187 | CDG → LAS | May 3, 00:10 UTC | May 3, 14:15 UTC | 14h 4m |
| 2026-05-02 | AFR186 | LAS → CDG | May 2, 08:20 UTC | May 2, 21:10 UTC | 12h 50m |
| 2026-05-01 | AFR283 | CDG → NRT | May 1, 19:50 UTC | May 2, 04:20 UTC | 8h 30m |
| 2026-05-01 | AFR284 | NRT → CDG | May 1, 09:35 UTC | May 1, 17:15 UTC | 7h 40m |
| 2026-04-29 | AFR837 | DLA → CDG | Apr 29, 08:50 UTC | Apr 30, 03:40 UTC | 18h 50m |
| 2026-04-29 | AFR837 | DLA → CDG | Apr 29, 08:15 UTC | Apr 30, 03:40 UTC | 19h 25m |
| 2026-04-28 | AFR377 | DTW → CDG | Apr 28, 01:40 UTC | Apr 28, 09:05 UTC | 7h 25m |
| 2026-04-27 | AFR378E | CDG → DTW | Apr 27, 14:45 UTC | Apr 27, 22:30 UTC | 7h 45m |
| 2026-04-26 | AFR805 | COO → CDG | Apr 26, 14:45 UTC | Apr 27, 05:50 UTC | 15h 5m |
| 2026-04-26 | AFR377 | DTW → CDG | Apr 26, 01:30 UTC | Apr 26, 08:50 UTC | 7h 20m |
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-GSPD page for operator, model, and routing details .