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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 AFR17WA · 11,100 ft
Flights observed
338
Distinct callsigns
20
Country
FR
Last broadcast
Jul 26, 18:15 UTC

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
AFR98LR - 5 2026-07-21
AFR87LQ Air France 5 2026-07-21
AFR67RZ - 5 2026-07-19
AFR29AT Air France 5 2026-07-19
AFR11AM - 5 2026-07-02
AFR1047 - 5 2026-07-02
AFR81TM Air France 4 2026-06-24
AFR42XW - 4 2026-07-23
AFR31TV - 4 2026-07-20
AFR26AP - 4 2026-07-20
AFR93SM Air France 3 2026-06-05
AFR92HL - 3 2026-07-16
AFR91KN - 3 2026-07-04
AFR87GN - 3 2026-07-02
AFR86YY Air France 3 2026-07-25
AFR84ZX - 3 2026-06-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AFR67FB OPO → CDG Jul 26, 16:20 UTCJul 26, 18:15 UTC1h 55m
2026-07-26 AFR35SN - Jul 26, 13:30 UTCJul 26, 15:10 UTC1h 40m
2026-07-26 AFR13VP TLS → CDG Jul 26, 10:20 UTCJul 26, 11:30 UTC1h 10m
2026-07-26 AFR29FN CDG → TLS Jul 26, 08:10 UTCJul 26, 09:05 UTC55m
2026-07-26 AFR51JG MXP → CDG Jul 26, 05:20 UTCJul 26, 06:30 UTC1h 10m
2026-07-25 AFR35BM RBA → CDG Jul 25, 20:00 UTCJul 25, 21:05 UTC1h 5m
2026-07-25 AFR7369 LYS → CDG Jul 25, 17:05 UTCJul 25, 18:00 UTC55m
2026-07-25 AFR55QX CDG → LYS Jul 25, 15:05 UTCJul 25, 15:50 UTC45m
2026-07-25 AFR31PQ - Jul 25, 11:40 UTCJul 25, 13:55 UTC2h 15m
2026-07-25 AFR41GW CDG → LIS Jul 25, 08:05 UTCJul 25, 10:15 UTC2h 10m
2026-07-25 AFR86YY AGP → CDG Jul 25, 04:40 UTCJul 25, 06:30 UTC1h 50m
2026-07-24 AFR32RG CDG → AGP Jul 24, 18:15 UTCJul 24, 20:40 UTC2h 25m
2026-07-23 AFR42XW - Jul 23, 11:40 UTCJul 23, 13:10 UTC1h 30m
2026-07-23 AFR81FB CDG → FLR Jul 23, 08:45 UTCJul 23, 10:05 UTC1h 20m
2026-07-23 AFR47CB ZRH → CDG Jul 23, 06:15 UTCJul 23, 07:15 UTC1h 0m
2026-07-22 AFR1414 CDG → ZRH Jul 22, 19:30 UTCJul 22, 20:20 UTC50m
2026-07-22 AFR31LY HAM → CDG Jul 22, 16:30 UTCJul 22, 17:40 UTC1h 10m
2026-07-22 AFR31UA CDG → BCN Jul 22, 14:15 UTCJul 22, 15:20 UTC1h 5m
2026-07-22 AFR42XW - Jul 22, 11:20 UTCJul 22, 12:50 UTC1h 30m
2026-07-21 AFR37HA CDG → MRS Jul 21, 19:40 UTCJul 21, 20:40 UTC1h 0m
2026-07-21 AFR68RY HAM → CDG Jul 21, 13:25 UTCJul 21, 14:35 UTC1h 10m
2026-07-21 AFR94ET - Jul 21, 10:55 UTCJul 21, 12:15 UTC1h 20m
2026-07-21 AFR98LR - Jul 21, 07:55 UTCJul 21, 09:00 UTC1h 5m
2026-07-21 AFR87LQ CDG → MPL Jul 21, 05:40 UTCJul 21, 06:40 UTC1h 0m
2026-07-20 AFR7339 - Jul 20, 14:45 UTCJul 20, 15:50 UTC1h 5m
2026-07-20 AFR81SL - Jul 20, 12:30 UTCJul 20, 13:35 UTC1h 5m
2026-07-20 AFR31TV - Jul 20, 09:10 UTCJul 20, 10:25 UTC1h 15m
2026-07-20 AFR26AP - Jul 20, 06:40 UTCJul 20, 07:55 UTC1h 15m
2026-07-19 AFR67RZ - Jul 19, 17:50 UTCJul 19, 19:50 UTC2h 0m
2026-07-19 AFR29AT CDG → AGP Jul 19, 14:35 UTCJul 19, 16:45 UTC2h 10m
2026-07-19 AFR42XW - Jul 19, 11:30 UTCJul 19, 12:55 UTC1h 25m
2026-07-19 AFR81FB - Jul 19, 08:50 UTCJul 19, 10:10 UTC1h 20m
2026-07-18 AFR36QE FSC → CDG Jul 18, 20:45 UTCJul 18, 22:40 UTC1h 55m
2026-07-18 AFR32YA - Jul 18, 18:05 UTCJul 18, 19:35 UTC1h 30m
2026-07-18 AFR7723 - Jul 18, 14:35 UTCJul 18, 16:05 UTC1h 30m
2026-07-18 AFR7722 - Jul 18, 11:45 UTCJul 18, 13:05 UTC1h 20m
2026-07-18 AFR56SN FSC → CDG Jul 18, 08:40 UTCJul 18, 10:20 UTC1h 40m
2026-07-18 AFR13KM CDG → FSC Jul 18, 05:25 UTCJul 18, 06:45 UTC1h 20m
2026-07-17 AFR7369 - Jul 17, 18:40 UTCJul 17, 19:49 UTC1h 10m
2026-07-17 AFR55QX - Jul 17, 16:29 UTCJul 17, 17:25 UTC55m
2026-07-17 AFR42DT - Jul 17, 13:25 UTCJul 17, 14:35 UTC1h 10m
2026-07-17 AFR34EY - Jul 17, 10:50 UTCJul 17, 11:55 UTC1h 5m
2026-07-17 AFR47LQ - Jul 17, 08:04 UTCJul 17, 09:10 UTC1h 5m
2026-07-17 AFR52EP CDG → MRS Jul 17, 05:39 UTCJul 17, 06:45 UTC1h 5m
2026-07-16 AFR53MJ LIS → CDG Jul 16, 20:05 UTCJul 16, 22:15 UTC2h 10m
2026-07-16 AFR24MF - Jul 16, 16:25 UTCJul 16, 18:50 UTC2h 25m
2026-07-16 AFR92HL - Jul 16, 11:54 UTCJul 16, 13:45 UTC1h 50m
2026-07-16 AFR36KN - Jul 16, 07:40 UTCJul 16, 10:04 UTC2h 25m
2026-07-15 AFR67FB - Jul 15, 15:40 UTCJul 15, 17:35 UTC1h 55m
2026-07-15 AFR35SN - Jul 15, 12:35 UTCJul 15, 14:25 UTC1h 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-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, AFR98LR.