sensors Mode-S transponder

3950CE

ICAO 24-bit transponder address · allocated to France

Currently assigned to F-GUGO · AIRBUS A-318

Hex
3950CE
Octal
16250316
Decimal
3,756,238
Country
FR
Tail
F-GUGO
Type
A318
Broadcasting now · callsign AFR7412 · 28,975 ft
Flights observed
284
Distinct callsigns
20
Country
FR
Last broadcast
2h ago

Current position

3950CE is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 3950CE 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
AFR76SP - 7 2026-06-28
AFR41WP - 7 2026-06-28
AFR77JJ - 6 2026-07-02
AFR62HP - 6 2026-07-02
AFR11AM - 5 2026-07-02
AFR1047 - 5 2026-07-02
AFR98LR - 4 2026-07-05
AFR87LQ - 4 2026-07-05
AFR81TM Air France 4 2026-06-24
AFR67RZ - 4 2026-06-28
AFR29AT Air France 4 2026-06-28
AFR93SM Air France 3 2026-06-05
AFR91KN - 3 2026-07-04
AFR87GN - 3 2026-07-02
AFR84ZX - 3 2026-06-26
AFR81YQ Air France 3 2026-06-24
AFR76VN - 3 2026-07-02
AFR76QE - 3 2026-06-05
AFR73PJ - 3 2026-06-26
AFR7345 - 3 2026-06-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 AFR91CF - Jul 14, 11:05 UTCJul 14, 12:20 UTC1h 15m
2026-07-14 AFR88WE - Jul 14, 08:50 UTCJul 14, 10:00 UTC1h 10m
2026-07-14 AFR7323 - Jul 14, 05:20 UTCJul 14, 06:40 UTC1h 20m
2026-07-13 AFR27QN - Jul 13, 18:25 UTCJul 13, 19:35 UTC1h 10m
2026-07-13 AFR91CF - Jul 13, 12:10 UTCJul 13, 13:20 UTC1h 10m
2026-07-13 AFR88WE - Jul 13, 09:25 UTCJul 13, 10:25 UTC1h 0m
2026-07-12 AFR47VP CAG → CDG Jul 12, 17:05 UTCJul 12, 19:15 UTC2h 10m
2026-07-12 AFR11QN CDG → CAG Jul 12, 13:55 UTCJul 12, 15:40 UTC1h 45m
2026-07-12 AFR18SQ - Jul 12, 10:01 UTCJul 12, 11:05 UTC1h 5m
2026-07-12 AFR94QB - Jul 12, 07:45 UTCJul 12, 08:50 UTC1h 5m
2026-07-11 AFR36QE - Jul 11, 19:30 UTCJul 11, 21:00 UTC1h 30m
2026-07-11 AFR32YA - Jul 11, 16:50 UTCJul 11, 18:20 UTC1h 30m
2026-07-11 AFR7723 - Jul 11, 14:00 UTCJul 11, 15:35 UTC1h 35m
2026-07-11 AFR7722 - Jul 11, 11:20 UTCJul 11, 12:45 UTC1h 25m
2026-07-11 AFR39SV BER → CDG Jul 11, 08:15 UTCJul 11, 09:35 UTC1h 20m
2026-07-11 AFR1434 - Jul 11, 05:20 UTCJul 11, 06:40 UTC1h 20m
2026-07-10 AFR37RL - Jul 10, 17:50 UTCJul 10, 19:40 UTC1h 50m
2026-07-10 AFR76MK - Jul 10, 14:45 UTCJul 10, 16:35 UTC1h 50m
2026-07-10 AFR42XW - Jul 10, 11:35 UTCJul 10, 13:00 UTC1h 25m
2026-07-10 AFR81FB - Jul 10, 08:55 UTCJul 10, 10:10 UTC1h 15m
2026-07-10 AFR86YY - Jul 10, 05:30 UTCJul 10, 07:30 UTC2h 0m
2026-07-09 AFR32RG - Jul 9, 18:35 UTCJul 9, 20:45 UTC2h 10m
2026-07-09 AFR98FV - Jul 9, 15:45 UTCJul 9, 16:50 UTC1h 5m
2026-07-09 AFR83HE - Jul 9, 13:45 UTCJul 9, 14:40 UTC55m
2026-07-09 AFR18SQ - Jul 9, 11:20 UTCJul 9, 12:20 UTC1h 0m
2026-07-09 AFR94QB - Jul 9, 09:20 UTCJul 9, 10:20 UTC1h 0m
2026-07-09 AFR86YY - Jul 9, 04:15 UTCJul 9, 06:10 UTC1h 55m
2026-07-08 AFR32RG - Jul 8, 18:35 UTCJul 8, 20:35 UTC2h 0m
2026-07-08 AFR14BM - Jul 8, 14:35 UTCJul 8, 15:40 UTC1h 5m
2026-07-08 AFR7412 CDG → TLS Jul 8, 12:35 UTCJul 8, 13:35 UTC1h 0m
2026-07-08 AFR93XQ - Jul 8, 08:30 UTCJul 8, 10:35 UTC2h 5m
2026-07-08 AFR1090 - Jul 8, 05:30 UTCJul 8, 07:25 UTC1h 55m
2026-07-07 AFR31LY - Jul 7, 16:30 UTCJul 7, 17:45 UTC1h 15m
2026-07-07 AFR31UA - Jul 7, 14:25 UTCJul 7, 15:35 UTC1h 10m
2026-07-07 AFR73VA - Jul 7, 11:15 UTCJul 7, 13:05 UTC1h 50m
2026-07-07 AFR51YQ - Jul 7, 07:50 UTCJul 7, 09:30 UTC1h 40m
2026-07-07 AFR58NR - Jul 7, 04:15 UTCJul 7, 05:00 UTC45m
2026-07-06 AFR24ZK - Jul 6, 19:15 UTCJul 6, 20:05 UTC50m
2026-07-06 AFR89QA VLC → CDG Jul 6, 15:40 UTCJul 6, 17:30 UTC1h 50m
2026-07-06 AFR64SV CDG → VLC Jul 6, 12:55 UTCJul 6, 14:25 UTC1h 30m
2026-07-06 AFR93XQ - Jul 6, 08:40 UTCJul 6, 10:55 UTC2h 15m
2026-07-06 AFR1090 - Jul 6, 05:20 UTCJul 6, 07:15 UTC1h 55m
2026-07-05 AFR38CX - Jul 5, 19:00 UTCJul 5, 19:45 UTC45m
2026-07-05 AFR44SZ - Jul 5, 17:00 UTCJul 5, 17:55 UTC55m
2026-07-05 AFR69VH - Jul 5, 13:00 UTCJul 5, 13:45 UTC45m
2026-07-05 AFR21KE - Jul 5, 10:30 UTCJul 5, 11:20 UTC50m
2026-07-05 AFR98LR - Jul 5, 08:00 UTCJul 5, 09:05 UTC1h 5m
2026-07-05 AFR87LQ - Jul 5, 05:45 UTCJul 5, 06:45 UTC1h 0m
2026-07-04 AFR36QE - Jul 4, 19:30 UTCJul 4, 21:00 UTC1h 30m
2026-07-04 AFR32YA - Jul 4, 16:50 UTCJul 4, 18:15 UTC1h 25m

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-GUGO page for operator, model, and routing details .

Mode-S 3950CE frequently asked

What is Mode-S code 3950CE?
3950CE is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-GUGO.
Where is Mode-S 3950CE registered?
Mode-S code 3950CE is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3950CE broadcasting right now?
Yes. Mode-S 3950CE is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3950CE, octal 16250316, decimal 3,756,238.
What flights does 3950CE operate?
Mode-S 3950CE has broadcast 20 distinct callsigns, including AFR76SP, AFR41WP, AFR77JJ, AFR62HP, AFR11AM.