sensors Mode-S transponder
3965A4
ICAO 24-bit transponder address · allocated to France
Currently assigned to F-GZNE · BOEING 777-300ER
- Hex
- 3965A4
- Octal
- 16262644
- Decimal
- 3,761,572
- Country
- FR
- Tail
- F-GZNE
- Type
- B77W
- Flights observed
- 91
- Distinct callsigns
- 20
- Country
- FR
- Last broadcast
- 2h ago
Last known position
Country allocation
The ICAO 24-bit address 3965A4 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 |
|---|---|---|---|
| AFR274 | Air France | 10 | 2026-05-21 |
| AFR24X | Air France | 8 | 2026-05-18 |
| AFR50N | Air France | 7 | 2026-04-15 |
| AFR091 | Air France | 7 | 2026-05-25 |
| AFR51N | Air France | 6 | 2026-04-16 |
| AFR025 | Air France | 6 | 2026-05-19 |
| AFR23G | Air France | 5 | 2026-05-23 |
| AFR22J | Air France | 5 | 2026-05-23 |
| AFR090 | Air France | 5 | 2026-05-24 |
| AFR279 | Air France | 4 | 2026-05-22 |
| AFR256 | Air France | 4 | 2026-05-28 |
| AFR004 | - | 4 | 2026-05-29 |
| AFR8U | Air France | 3 | 2026-05-15 |
| AFR293 | Air France | 3 | 2026-05-20 |
| AFR257 | Air France | 3 | 2026-05-28 |
| AFR007 | - | 3 | 2026-05-16 |
| AFR003 | - | 3 | 2026-05-14 |
| AFR3T | Air France | 1 | 2026-05-29 |
| AFR2N | Air France | 1 | 2026-04-19 |
| AFR1U | Air France | 1 | 2026-04-19 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | AFR3T | JFK → CDG | May 29, 22:05 UTC | May 30, 04:40 UTC | 6h 35m |
| 2026-05-29 | AFR004 | - | May 29, 09:05 UTC | May 29, 16:15 UTC | 7h 10m |
| 2026-05-28 | AFR257 | SIN → CDG | May 28, 16:20 UTC | May 29, 05:45 UTC | 13h 25m |
| 2026-05-28 | AFR256 | CDG → SIN | May 28, 08:50 UTC | May 28, 13:50 UTC | 5h 0m |
| 2026-05-27 | AFR256 | CDG → SIN | May 27, 22:50 UTC | May 28, 06:55 UTC | 8h 5m |
| 2026-05-26 | AFR021 | LAX → CDG | May 26, 21:25 UTC | May 27, 07:35 UTC | 10h 10m |
| 2026-05-26 | AFR020 | CDG → LAX | May 26, 07:34 UTC | May 26, 18:45 UTC | 11h 10m |
| 2026-05-25 | AFR091 | MIA → CDG | May 25, 02:05 UTC | May 25, 09:00 UTC | 6h 55m |
| 2026-05-24 | AFR090 | CDG → MIA | May 24, 12:35 UTC | May 24, 21:40 UTC | 9h 5m |
| 2026-05-23 | AFR23G | LAX → CDG | May 23, 22:50 UTC | May 24, 09:05 UTC | 10h 15m |
| 2026-05-23 | AFR22J | CDG → LAX | May 23, 09:00 UTC | May 23, 20:00 UTC | 11h 0m |
| 2026-05-22 | AFR279 | HND → CDG | May 22, 13:35 UTC | May 23, 03:35 UTC | 13h 59m |
| 2026-05-21 | AFR274 | CDG → HND | May 21, 21:25 UTC | May 22, 10:30 UTC | 13h 5m |
| 2026-05-20 | AFR293 | HND → CDG | May 20, 15:35 UTC | May 21, 05:40 UTC | 14h 5m |
| 2026-05-19 | AFR274 | CDG → HND | May 19, 21:25 UTC | May 20, 10:25 UTC | 13h 1m |
| 2026-05-19 | AFR025 | LAX → CDG | May 19, 01:40 UTC | May 19, 11:30 UTC | 9h 50m |
| 2026-05-18 | AFR24X | CDG → LAX | May 18, 11:55 UTC | May 18, 23:00 UTC | 11h 4m |
| 2026-05-17 | AFR279 | HND → CDG | May 17, 13:31 UTC | May 18, 03:45 UTC | 14h 15m |
| 2026-05-16 | AFR274 | CDG → HND | May 16, 21:20 UTC | May 17, 10:40 UTC | 13h 20m |
| 2026-05-16 | AFR007 | JFK → CDG | May 16, 01:50 UTC | May 16, 08:20 UTC | 6h 31m |
| 2026-05-15 | AFR8U | CDG → JFK | May 15, 15:25 UTC | May 15, 23:00 UTC | 7h 35m |
| 2026-05-14 | AFR003 | JFK → CDG | May 14, 22:20 UTC | May 15, 04:40 UTC | 6h 20m |
| 2026-05-14 | AFR004 | - | May 14, 09:30 UTC | May 14, 17:05 UTC | 7h 35m |
| 2026-05-13 | AFR293 | HND → CDG | May 13, 15:30 UTC | May 14, 05:30 UTC | 14h 0m |
| 2026-05-12 | AFR274 | CDG → HND | May 12, 21:25 UTC | May 13, 10:25 UTC | 13h 0m |
| 2026-05-12 | AFR23G | LAX → CDG | May 12, 06:50 UTC | May 12, 08:30 UTC | 1h 40m |
| 2026-05-11 | AFR22J | CDG → LAX | May 11, 08:40 UTC | May 11, 19:55 UTC | 11h 15m |
| 2026-05-10 | AFR003 | - | May 10, 22:09 UTC | May 11, 04:40 UTC | 6h 30m |
| 2026-05-10 | AFR004 | - | May 10, 09:05 UTC | May 10, 16:25 UTC | 7h 20m |
| 2026-05-09 | AFR293 | HND → CDG | May 9, 15:35 UTC | May 10, 05:10 UTC | 13h 35m |
| 2026-05-08 | AFR274 | CDG → HND | May 8, 21:35 UTC | May 9, 10:35 UTC | 13h 0m |
| 2026-05-08 | AFR025 | LAX → CDG | May 8, 02:35 UTC | May 8, 12:55 UTC | 10h 20m |
| 2026-05-07 | AFR24X | CDG → LAX | May 7, 13:40 UTC | May 8, 00:09 UTC | 10h 29m |
| 2026-05-06 | AFR23G | LAX → CDG | May 6, 22:45 UTC | May 7, 09:05 UTC | 10h 20m |
| 2026-05-06 | AFR22J | CDG → LAX | May 6, 09:05 UTC | May 6, 19:30 UTC | 10h 24m |
| 2026-05-05 | AFR003 | JFK → CDG | May 5, 22:30 UTC | May 6, 05:05 UTC | 6h 35m |
| 2026-05-05 | AFR004 | - | May 5, 09:10 UTC | May 5, 16:30 UTC | 7h 20m |
| 2026-05-03 | AFR257 | SIN → CDG | May 3, 15:00 UTC | May 4, 03:40 UTC | 12h 40m |
| 2026-05-02 | AFR256 | CDG → SIN | May 2, 21:30 UTC | May 3, 10:00 UTC | 12h 29m |
| 2026-05-02 | AFR091 | MIA → CDG | May 2, 00:35 UTC | May 2, 09:05 UTC | 8h 30m |
| 2026-05-01 | AFR090 | CDG → MIA | May 1, 12:30 UTC | May 1, 21:45 UTC | 9h 15m |
| 2026-04-30 | AFR23G | LAX → CDG | Apr 30, 22:25 UTC | May 1, 08:50 UTC | 10h 25m |
| 2026-04-30 | AFR22J | CDG → LAX | Apr 30, 09:05 UTC | Apr 30, 19:45 UTC | 10h 40m |
| 2026-04-29 | AFR257 | SIN → CDG | Apr 29, 14:55 UTC | Apr 30, 04:05 UTC | 13h 9m |
| 2026-04-28 | AFR256 | CDG → SIN | Apr 28, 21:45 UTC | Apr 29, 10:00 UTC | 12h 16m |
| 2026-04-28 | AFR025 | LAX → CDG | Apr 28, 03:25 UTC | Apr 28, 13:30 UTC | 10h 5m |
| 2026-04-27 | AFR24X | CDG → LAX | Apr 27, 13:55 UTC | Apr 28, 01:00 UTC | 11h 5m |
| 2026-04-26 | AFR279 | HND → CDG | Apr 26, 14:35 UTC | Apr 27, 04:25 UTC | 13h 50m |
| 2026-04-25 | AFR274 | CDG → HND | Apr 25, 21:45 UTC | Apr 26, 10:20 UTC | 12h 35m |
| 2026-04-25 | AFR007 | - | Apr 25, 02:20 UTC | Apr 25, 09:10 UTC | 6h 50m |
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-GZNE page for operator, model, and routing details .