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
Broadcasting now · callsign AFR8F · 34,000 ft
Flights observed
138
Distinct callsigns
20
Country
FR
Last broadcast
Jul 26, 22:45 UTC

Current position

3965A3 is currently broadcasting. Map zoomed to live 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
AFR5U - 10 2026-07-04
AFR006 - 10 2026-07-04
AFR3T - 7 2026-07-15
AFR24X Air France 7 2026-07-23
AFR23G - 7 2026-07-16
AFR22J - 7 2026-07-16
AFR025 Air France 7 2026-07-24
AFR007 - 7 2026-07-20
AFR004 - 7 2026-07-15
AFR279 Air France 6 2026-06-10
AFR274 Air France 6 2026-06-09
AFR257 Air France 6 2026-07-26
AFR256 Air France 6 2026-07-25
AFR021 Air France 5 2026-07-22
AFR020 Air France 5 2026-07-22
AFR8F - 4 2026-07-19
AFR8U Air France 3 2026-04-15
AFR010 Air France 3 2026-07-24
AFR009 - 3 2026-07-25
AFR116 - 2 2026-07-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AFR257 SIN → CDG Jul 26, 14:50 UTCJul 26, 22:45 UTC7h 55m
2026-07-25 AFR256 CDG → SIN Jul 25, 21:45 UTCJul 26, 10:35 UTC12h 51m
2026-07-25 AFR009 - Jul 25, 04:10 UTCJul 25, 10:35 UTC6h 25m
2026-07-24 AFR010 CDG → JFK Jul 24, 16:55 UTCJul 25, 00:00 UTC7h 5m
2026-07-24 AFR025 LAX → CDG Jul 24, 01:35 UTCJul 24, 11:30 UTC9h 55m
2026-07-23 AFR24X CDG → LAX Jul 23, 12:05 UTCJul 23, 23:05 UTC11h 0m
2026-07-22 AFR021 LAX → CDG Jul 22, 21:20 UTCJul 23, 07:20 UTC10h 0m
2026-07-22 AFR020 CDG → LAX Jul 22, 15:10 UTCJul 22, 18:35 UTC3h 25m
2026-07-21 AFR257 - Jul 21, 14:45 UTCJul 22, 03:45 UTC13h 0m
2026-07-20 AFR256 - Jul 20, 21:45 UTCJul 21, 09:40 UTC11h 54m
2026-07-20 AFR007 JFK → CDG Jul 20, 02:50 UTCJul 20, 09:25 UTC6h 35m
2026-07-19 AFR8F - Jul 19, 15:05 UTCJul 19, 22:25 UTC7h 20m
2026-07-19 AFR007 JFK → CDG Jul 19, 04:45 UTCJul 19, 11:20 UTC6h 35m
2026-07-18 AFR8F - Jul 18, 15:55 UTCJul 18, 23:05 UTC7h 10m
2026-07-18 AFR009 - Jul 18, 04:00 UTCJul 18, 10:40 UTC6h 40m
2026-07-17 AFR010 CDG → JFK Jul 17, 17:09 UTCJul 18, 00:19 UTC7h 10m
2026-07-16 AFR23G - Jul 16, 22:30 UTCJul 17, 08:49 UTC10h 20m
2026-07-16 AFR22J - Jul 16, 09:45 UTCJul 16, 20:15 UTC10h 30m
2026-07-15 AFR3T - Jul 15, 23:30 UTCJul 16, 06:10 UTC6h 40m
2026-07-15 AFR004 - Jul 15, 09:10 UTCJul 15, 16:25 UTC7h 15m
2026-07-14 AFR3T - Jul 14, 21:50 UTCJul 15, 04:35 UTC6h 44m
2026-07-14 AFR004 - Jul 14, 10:00 UTCJul 14, 17:10 UTC7h 10m
2026-07-12 AFR3T - Jul 12, 22:10 UTCJul 13, 04:45 UTC6h 35m
2026-07-12 AFR004 - Jul 12, 09:10 UTCJul 12, 16:15 UTC7h 5m
2026-07-11 AFR257 - Jul 11, 14:45 UTCJul 12, 03:45 UTC13h 0m
2026-07-10 AFR256 - Jul 10, 21:50 UTCJul 11, 09:50 UTC12h 0m
2026-07-10 AFR025 - Jul 10, 01:50 UTCJul 10, 11:50 UTC10h 0m
2026-07-09 AFR24X - Jul 9, 12:10 UTCJul 9, 23:00 UTC10h 50m
2026-07-08 AFR111 - Jul 8, 15:20 UTCJul 9, 03:20 UTC12h 0m
2026-07-08 AFR111 - Jul 8, 01:30 UTCJul 8, 23:45 UTC22h 15m
2026-07-07 AFR116 - Jul 7, 22:50 UTCJul 8, 22:45 UTC23h 55m
2026-07-07 AFR116 - Jul 7, 21:55 UTCJul 8, 15:35 UTC17h 40m
2026-07-06 AFR3T JFK → CDG Jul 6, 22:50 UTCJul 7, 05:10 UTC6h 20m
2026-07-06 AFR004 - Jul 6, 09:10 UTCJul 6, 16:35 UTC7h 25m
2026-07-05 AFR3T JFK → CDG Jul 5, 22:25 UTCJul 6, 04:40 UTC6h 15m
2026-07-05 AFR004 - Jul 5, 09:25 UTCJul 5, 16:55 UTC7h 30m
2026-07-04 AFR5U JFK → CDG Jul 4, 23:30 UTCJul 5, 06:00 UTC6h 30m
2026-07-04 AFR006 - Jul 4, 12:10 UTCJul 4, 19:45 UTC7h 35m
2026-07-03 AFR5U - Jul 3, 23:10 UTCJul 4, 05:40 UTC6h 30m
2026-07-03 AFR006 - Jul 3, 12:40 UTCJul 3, 20:00 UTC7h 20m
2026-07-02 AFR703 - Jul 2, 12:25 UTCJul 3, 03:45 UTC15h 20m
2026-07-02 AFR007 - Jul 2, 02:10 UTCJul 2, 08:45 UTC6h 35m
2026-07-01 AFR8F - Jul 1, 14:55 UTCJul 1, 22:35 UTC7h 40m
2026-07-01 AFR007 - Jul 1, 01:55 UTCJul 1, 08:25 UTC6h 30m
2026-06-30 AFR8F - Jun 30, 15:00 UTCJun 30, 22:20 UTC7h 20m
2026-06-30 AFR009 JFK → CDG Jun 30, 04:05 UTCJun 30, 10:30 UTC6h 25m
2026-06-29 AFR010 CDG → JFK Jun 29, 18:14 UTCJun 30, 01:30 UTC7h 16m
2026-06-28 AFR23G - Jun 28, 22:55 UTCJun 29, 08:44 UTC9h 50m
2026-06-28 AFR22J CDG → LAX Jun 28, 10:15 UTCJun 28, 20:34 UTC10h 20m
2026-06-27 AFR257 SIN → CDG Jun 27, 14:39 UTCJun 28, 03:35 UTC12h 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-GZND page for operator, model, and routing details .

Mode-S 3965A3 frequently asked

What is Mode-S code 3965A3?
3965A3 is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-GZND.
Where is Mode-S 3965A3 registered?
Mode-S code 3965A3 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3965A3 broadcasting right now?
Yes. Mode-S 3965A3 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3965A3, octal 16262643, decimal 3,761,571.
What flights does 3965A3 operate?
Mode-S 3965A3 has broadcast 20 distinct callsigns, including AFR5U, AFR006, AFR3T, AFR24X, AFR23G.