sensors Mode-S transponder
394A01
ICAO 24-bit transponder address · allocated to France
Currently assigned to F-GSQB · BOEING 777-300ER
- Hex
- 394A01
- Octal
- 16245001
- Decimal
- 3,754,497
- Country
- FR
- Tail
- F-GSQB
- Type
- B77W
- Flights observed
- 69
- Distinct callsigns
- 20
- Country
- FR
- Last broadcast
- 2h ago
Last known position
Country allocation
The ICAO 24-bit address 394A01 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 |
|---|---|---|---|
| AFR1U | Air France | 9 | 2026-05-29 |
| AFR84E | Air France | 8 | 2026-05-25 |
| AFR83K | Air France | 8 | 2026-05-25 |
| AFR2N | Air France | 8 | 2026-05-29 |
| AFR031 | Air France | 6 | 2026-05-22 |
| AFR030 | Air France | 5 | 2026-05-22 |
| AFR702 | Air France | 3 | 2026-05-13 |
| AFR703 | Air France | 2 | 2026-05-28 |
| AFR454 | Air France | 2 | 2026-05-26 |
| AFR453 | Air France | 2 | 2026-05-27 |
| AFR093 | - | 2 | 2026-04-13 |
| AFR092 | Air France | 2 | 2026-04-13 |
| AFR5U | Air France | 1 | 2026-04-22 |
| AFR51N | Air France | 1 | 2026-05-14 |
| AFR50N | Air France | 1 | 2026-05-14 |
| AFR375G | Air France | 1 | 2026-05-01 |
| AFR374F | Air France | 1 | 2026-05-01 |
| AFR284 | Air France | 1 | 2026-04-23 |
| AFR283 | Air France | 1 | 2026-04-23 |
| AFR182 | Air France | 1 | 2026-04-25 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | AFR1U | JFK → CDG | May 29, 21:00 UTC | May 29, 22:40 UTC | 1h 40m |
| 2026-05-29 | AFR2N | CDG → JFK | May 29, 07:00 UTC | May 29, 14:10 UTC | 7h 10m |
| 2026-05-28 | AFR703 | ABJ → CDG | May 28, 12:30 UTC | May 29, 04:10 UTC | 15h 40m |
| 2026-05-27 | AFR453 | GRU → CDG | May 27, 17:50 UTC | May 28, 04:15 UTC | 10h 25m |
| 2026-05-26 | AFR454 | CDG → GRU | May 26, 21:49 UTC | May 27, 09:10 UTC | 11h 20m |
| 2026-05-25 | AFR83K | SFO → CDG | May 25, 22:55 UTC | May 26, 08:59 UTC | 10h 5m |
| 2026-05-25 | AFR84E | CDG → SFO | May 25, 09:25 UTC | May 25, 20:24 UTC | 11h 0m |
| 2026-05-24 | AFR453 | GRU → CDG | May 24, 17:55 UTC | May 25, 04:40 UTC | 10h 45m |
| 2026-05-23 | AFR454 | CDG → GRU | May 23, 21:55 UTC | May 24, 09:05 UTC | 11h 10m |
| 2026-05-22 | AFR031 | ATL → CDG | May 22, 23:15 UTC | May 23, 06:50 UTC | 7h 34m |
| 2026-05-22 | AFR030 | CDG → ATL | May 22, 11:45 UTC | May 22, 20:40 UTC | 8h 55m |
| 2026-05-21 | AFR703 | ABJ → CDG | May 21, 12:55 UTC | May 22, 03:50 UTC | 14h 55m |
| 2026-05-16 | AFR031 | ATL → CDG | May 16, 20:55 UTC | May 17, 04:40 UTC | 7h 45m |
| 2026-05-16 | AFR030 | CDG → ATL | May 16, 08:55 UTC | May 16, 17:45 UTC | 8h 50m |
| 2026-05-15 | AFR031 | ATL → CDG | May 15, 20:45 UTC | May 16, 04:30 UTC | 7h 45m |
| 2026-05-15 | AFR030 | CDG → ATL | May 15, 08:55 UTC | May 15, 17:45 UTC | 8h 49m |
| 2026-05-14 | AFR51N | IAD → CDG | May 14, 22:45 UTC | May 15, 05:35 UTC | 6h 50m |
| 2026-05-14 | AFR50N | CDG → IAD | May 14, 12:20 UTC | May 14, 20:30 UTC | 8h 10m |
| 2026-05-13 | AFR702 | CDG → ABJ | May 13, 12:30 UTC | May 14, 03:55 UTC | 15h 25m |
| 2026-05-12 | AFR031 | ATL → CDG | May 12, 20:45 UTC | May 13, 04:45 UTC | 8h 0m |
| 2026-05-12 | AFR030 | CDG → ATL | May 12, 09:10 UTC | May 12, 18:00 UTC | 8h 50m |
| 2026-05-11 | AFR1U | JFK → CDG | May 11, 21:30 UTC | May 12, 03:55 UTC | 6h 25m |
| 2026-05-11 | AFR2N | CDG → JFK | May 11, 07:00 UTC | May 11, 14:30 UTC | 7h 30m |
| 2026-05-10 | AFR1U | JFK → CDG | May 10, 20:54 UTC | May 11, 03:30 UTC | 6h 35m |
| 2026-05-10 | AFR2N | CDG → JFK | May 10, 06:50 UTC | May 10, 14:14 UTC | 7h 25m |
| 2026-05-09 | AFR702 | CDG → ABJ | May 9, 12:20 UTC | May 10, 04:00 UTC | 15h 40m |
| 2026-05-08 | AFR021 | LAX → CDG | May 8, 22:00 UTC | May 9, 08:10 UTC | 10h 10m |
| 2026-05-08 | AFR020 | CDG → LAX | May 8, 08:44 UTC | May 8, 19:40 UTC | 10h 55m |
| 2026-05-06 | AFR1U | JFK → CDG | May 6, 21:00 UTC | May 7, 03:45 UTC | 6h 45m |
| 2026-05-06 | AFR2N | CDG → JFK | May 6, 06:45 UTC | May 6, 14:15 UTC | 7h 30m |
| 2026-05-05 | AFR1U | JFK → CDG | May 5, 21:01 UTC | May 6, 03:35 UTC | 6h 35m |
| 2026-05-05 | AFR2N | CDG → JFK | May 5, 07:00 UTC | May 5, 14:20 UTC | 7h 20m |
| 2026-05-03 | AFR83K | SFO → CDG | May 3, 22:34 UTC | May 4, 09:00 UTC | 10h 25m |
| 2026-05-03 | AFR84E | CDG → SFO | May 3, 08:40 UTC | May 3, 19:25 UTC | 10h 45m |
| 2026-05-01 | AFR375G | YVR → CDG | May 1, 21:05 UTC | May 2, 06:00 UTC | 8h 55m |
| 2026-05-01 | AFR374F | CDG → YVR | May 1, 08:45 UTC | May 1, 18:15 UTC | 9h 30m |
| 2026-04-29 | AFR702 | CDG → ABJ | Apr 29, 12:40 UTC | Apr 30, 04:40 UTC | 15h 59m |
| 2026-04-28 | AFR83K | SFO → CDG | Apr 28, 22:45 UTC | Apr 29, 09:00 UTC | 10h 16m |
| 2026-04-28 | AFR84E | CDG → SFO | Apr 28, 08:55 UTC | Apr 28, 19:45 UTC | 10h 50m |
| 2026-04-27 | AFR1U | JFK → CDG | Apr 27, 20:55 UTC | Apr 28, 03:35 UTC | 6h 40m |
| 2026-04-27 | AFR2N | CDG → JFK | Apr 27, 07:00 UTC | Apr 27, 14:00 UTC | 7h 0m |
| 2026-04-26 | AFR181 | SIN → CDG | Apr 26, 03:20 UTC | Apr 26, 16:35 UTC | 13h 15m |
| 2026-04-25 | AFR182 | CDG → SIN | Apr 25, 12:20 UTC | Apr 26, 00:40 UTC | 12h 20m |
| 2026-04-23 | AFR283 | CDG → NRT | Apr 23, 19:55 UTC | Apr 24, 04:25 UTC | 8h 30m |
| 2026-04-23 | AFR284 | NRT → CDG | Apr 23, 09:45 UTC | Apr 23, 17:40 UTC | 7h 54m |
| 2026-04-22 | AFR5U | JFK → CDG | Apr 22, 23:10 UTC | Apr 23, 06:10 UTC | 7h 0m |
| 2026-04-22 | AFR006 | - | Apr 22, 12:15 UTC | Apr 22, 19:15 UTC | 7h 0m |
| 2026-04-22 | AFR031 | ATL → CDG | Apr 22, 03:55 UTC | Apr 22, 05:35 UTC | 1h 40m |
| 2026-04-21 | AFR031 | ATL → CDG | Apr 21, 21:25 UTC | Apr 22, 00:20 UTC | 2h 55m |
| 2026-04-21 | AFR030 | CDG → ATL | Apr 21, 08:55 UTC | Apr 21, 17:40 UTC | 8h 45m |
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-GSQB page for operator, model, and routing details .