sensors Mode-S transponder
3965A3
ICAO 24-bit transponder address · allocated to France
Currently assigned to F-GZND · BOEING 777-300ER
- Hex
- 3965A3
- Octal
- 16262643
- Decimal
- 3,761,571
- Country
- FR
- Tail
- F-GZND
- Type
- B77W
- Flights observed
- 48
- Distinct callsigns
- 20
- Country
- FR
- Last broadcast
- 49m ago
Current position
Country allocation
The ICAO 24-bit address 3965A3 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 |
|---|---|---|---|
| AFR006 | - | 6 | 2026-05-29 |
| AFR5U | Air France | 5 | 2026-05-29 |
| AFR279 | Air France | 4 | 2026-05-12 |
| AFR274 | Air France | 4 | 2026-05-24 |
| AFR8U | Air France | 3 | 2026-04-15 |
| AFR24X | Air France | 3 | 2026-05-26 |
| AFR025 | Air France | 3 | 2026-05-27 |
| AFR021 | Air France | 3 | 2026-05-28 |
| AFR020 | Air France | 3 | 2026-05-28 |
| AFR007 | - | 3 | 2026-04-16 |
| AFR3T | Air France | 1 | 2026-05-18 |
| AFR375Y | Air France | 1 | 2026-05-06 |
| AFR2N | Air France | 1 | 2026-05-08 |
| AFR293 | Air France | 1 | 2026-05-25 |
| AFR257 | Air France | 1 | 2026-05-17 |
| AFR256 | Air France | 1 | 2026-05-16 |
| AFR1U | Air France | 1 | 2026-05-08 |
| AFR091 | Air France | 1 | 2026-05-24 |
| AFR090 | Air France | 1 | 2026-05-23 |
| AFR004 | - | 1 | 2026-05-18 |
Recent flights last 48
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | AFR5U | JFK → CDG | May 29, 23:10 UTC | May 30, 04:45 UTC | 5h 35m |
| 2026-05-29 | AFR006 | - | May 29, 12:05 UTC | May 29, 19:25 UTC | 7h 21m |
| 2026-05-28 | AFR021 | LAX → CDG | May 28, 21:15 UTC | May 29, 07:40 UTC | 10h 25m |
| 2026-05-28 | AFR020 | CDG → LAX | May 28, 07:30 UTC | May 28, 18:25 UTC | 10h 55m |
| 2026-05-27 | AFR025 | LAX → CDG | May 27, 01:44 UTC | May 27, 12:00 UTC | 10h 15m |
| 2026-05-26 | AFR24X | CDG → LAX | May 26, 12:10 UTC | May 26, 23:19 UTC | 11h 10m |
| 2026-05-25 | AFR293 | HND → CDG | May 25, 16:00 UTC | May 26, 06:20 UTC | 14h 19m |
| 2026-05-24 | AFR274 | CDG → HND | May 24, 21:30 UTC | May 25, 10:40 UTC | 13h 10m |
| 2026-05-24 | AFR091 | MIA → CDG | May 24, 00:25 UTC | May 24, 08:35 UTC | 8h 10m |
| 2026-05-23 | AFR090 | CDG → MIA | May 23, 12:25 UTC | May 23, 21:40 UTC | 9h 16m |
| 2026-05-22 | AFR021 | LAX → CDG | May 22, 21:15 UTC | May 23, 07:20 UTC | 10h 4m |
| 2026-05-22 | AFR020 | CDG → LAX | May 22, 07:35 UTC | May 22, 18:20 UTC | 10h 45m |
| 2026-05-18 | AFR3T | JFK → CDG | May 18, 22:40 UTC | May 19, 05:10 UTC | 6h 30m |
| 2026-05-18 | AFR004 | - | May 18, 10:25 UTC | May 18, 17:20 UTC | 6h 55m |
| 2026-05-17 | AFR257 | SIN → CDG | May 17, 14:40 UTC | May 18, 03:40 UTC | 13h 0m |
| 2026-05-16 | AFR256 | CDG → SIN | May 16, 21:30 UTC | May 17, 09:40 UTC | 12h 10m |
| 2026-05-16 | AFR025 | LAX → CDG | May 16, 01:45 UTC | May 16, 11:35 UTC | 9h 51m |
| 2026-05-15 | AFR24X | CDG → LAX | May 15, 12:05 UTC | May 15, 23:15 UTC | 11h 9m |
| 2026-05-14 | AFR5U | JFK → CDG | May 14, 00:00 UTC | May 14, 06:40 UTC | 6h 40m |
| 2026-05-13 | AFR006 | - | May 13, 12:40 UTC | May 13, 20:15 UTC | 7h 35m |
| 2026-05-12 | AFR279 | HND → CDG | May 12, 13:20 UTC | May 13, 03:30 UTC | 14h 10m |
| 2026-05-11 | AFR274 | CDG → HND | May 11, 21:50 UTC | May 12, 10:55 UTC | 13h 5m |
| 2026-05-11 | AFR025 | LAX → CDG | May 11, 01:30 UTC | May 11, 12:00 UTC | 10h 30m |
| 2026-05-10 | AFR24X | CDG → LAX | May 10, 12:00 UTC | May 10, 22:45 UTC | 10h 45m |
| 2026-05-09 | AFR021 | LAX → CDG | May 9, 21:19 UTC | May 10, 07:40 UTC | 10h 20m |
| 2026-05-09 | AFR020 | CDG → LAX | May 9, 07:40 UTC | May 9, 18:30 UTC | 10h 50m |
| 2026-05-08 | AFR1U | JFK → CDG | May 8, 21:10 UTC | May 9, 03:50 UTC | 6h 40m |
| 2026-05-08 | AFR2N | CDG → JFK | May 8, 06:59 UTC | May 8, 14:30 UTC | 7h 30m |
| 2026-05-07 | AFR279 | HND → CDG | May 7, 13:15 UTC | May 8, 03:24 UTC | 14h 9m |
| 2026-05-06 | AFR274 | CDG → HND | May 6, 21:25 UTC | May 7, 10:25 UTC | 13h 0m |
| 2026-05-06 | AFR375Y | ORY → CDG | May 6, 12:20 UTC | May 6, 12:35 UTC | 15m |
| 2026-04-16 | AF372Y | - | Apr 16, 15:25 UTC | Apr 16, 15:35 UTC | 10m |
| 2026-04-16 | AFR007 | - | Apr 16, 07:09 UTC | Apr 16, 08:35 UTC | 1h 25m |
| 2026-04-16 | AFR007 | - | Apr 16, 03:09 UTC | Apr 16, 03:39 UTC | 30m |
| 2026-04-16 | AFR007 | - | Apr 16, 02:04 UTC | Apr 16, 03:04 UTC | 1h 0m |
| 2026-04-15 | AFR8U | CDG → JFK | Apr 15, 21:05 UTC | Apr 15, 22:25 UTC | 1h 20m |
| 2026-04-15 | AFR8U | CDG → JFK | Apr 15, 20:35 UTC | Apr 15, 21:00 UTC | 25m |
| 2026-04-15 | AFR8U | CDG → JFK | Apr 15, 15:05 UTC | Apr 15, 16:35 UTC | 1h 30m |
| 2026-04-15 | AFR5U | JFK → CDG | Apr 15, 05:00 UTC | Apr 15, 05:45 UTC | 45m |
| 2026-04-15 | AFR5U | JFK → CDG | Apr 15, 04:15 UTC | Apr 15, 04:50 UTC | 35m |
| 2026-04-14 | AFR5U | JFK → CDG | Apr 14, 23:25 UTC | Apr 15, 00:50 UTC | 1h 25m |
| 2026-04-14 | AFR006 | - | Apr 14, 18:55 UTC | Apr 14, 19:20 UTC | 25m |
| 2026-04-14 | AFR006 | - | Apr 14, 17:35 UTC | Apr 14, 18:45 UTC | 1h 10m |
| 2026-04-14 | AFR006 | - | Apr 14, 12:50 UTC | Apr 14, 13:40 UTC | 50m |
| 2026-04-14 | AFR006 | - | Apr 14, 11:50 UTC | Apr 14, 12:45 UTC | 55m |
| 2026-04-13 | AFR279 | HND → CDG | Apr 13, 19:00 UTC | Apr 13, 19:50 UTC | 50m |
| 2026-04-13 | AFR279 | HND → CDG | Apr 13, 13:55 UTC | Apr 13, 14:30 UTC | 35m |
| 2026-04-13 | AFR274 | CDG → HND | Apr 13, 08:30 UTC | Apr 13, 10:15 UTC | 1h 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-GZND page for operator, model, and routing details .