Apparatus

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sensors Mode-S transponder

3964EF

ICAO 24-bit transponder address · allocated to France

Currently assigned to F-GZHP · BOEING 737-800

Hex
3964EF
Octal
16262357
Decimal
3,761,391
Country
FR
Tail
F-GZHP
Type
B738
Broadcasting now · callsign TVF44UX · 39,150 ft
Flights observed
401
Distinct callsigns
20
Country
FR
Last broadcast
2h ago

Current position

3964EF is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 3964EF 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
TVF46GH - 6 2026-07-10
TVF15AN - 6 2026-07-10
TVF89WM - 5 2026-06-20
TVF89TU - 5 2026-06-20
TVF8393 - 5 2026-07-12
TVF8392 - 5 2026-07-12
TVF8625 - 4 2026-06-19
TVF76UF Transavia France 4 2026-05-25
TVF67PV - 4 2026-06-01
TVF49KB - 4 2026-06-14
TVF46JB Transavia France 4 2026-05-25
TVF43DC - 4 2026-07-04
TVF42GL - 4 2026-07-12
TVF36VX - 4 2026-04-22
TVF21BA - 4 2026-04-22
TVF18KQ - 4 2026-07-05
TVF97KC - 3 2026-06-14
TVF972N - 3 2026-06-30
TVF88MU Transavia France 3 2026-06-01
TVF71PK - 3 2026-06-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 TVF99YQ - Jul 14, 06:05 UTCJul 14, 08:55 UTC2h 50m
2026-07-13 TVF94NT DBV → ORY Jul 13, 10:05 UTCJul 13, 12:20 UTC2h 15m
2026-07-13 TVF42QS - Jul 13, 08:30 UTCJul 13, 09:05 UTC35m
2026-07-13 TVF42QS - Jul 13, 04:20 UTCJul 13, 06:50 UTC2h 30m
2026-07-12 TVF64YY - Jul 12, 19:30 UTCJul 12, 20:55 UTC1h 25m
2026-07-12 TVF63HF ORY → PSA Jul 12, 17:10 UTCJul 12, 18:20 UTC1h 10m
2026-07-12 TVF8393 - Jul 12, 12:05 UTCJul 12, 14:45 UTC2h 40m
2026-07-12 TVF8392 - Jul 12, 08:25 UTCJul 12, 10:01 UTC1h 35m
2026-07-12 TVF42GL OPO → ORY Jul 12, 05:15 UTCJul 12, 07:01 UTC1h 45m
2026-07-11 TVF19HL ORY → OPO Jul 11, 20:15 UTCJul 11, 22:05 UTC1h 50m
2026-07-11 TVF82XL - Jul 11, 15:40 UTCJul 11, 18:50 UTC3h 10m
2026-07-11 TVF39LN - Jul 11, 11:15 UTCJul 11, 14:15 UTC3h 0m
2026-07-11 TVF90BP DUB → ORY Jul 11, 08:01 UTCJul 11, 09:25 UTC1h 25m
2026-07-11 TVF49CW ORY → DUB Jul 11, 05:25 UTCJul 11, 06:50 UTC1h 25m
2026-07-10 TVF15AN LIS → ORY Jul 10, 18:30 UTCJul 10, 20:30 UTC2h 0m
2026-07-10 TVF46GH ORY → LIS Jul 10, 15:05 UTCJul 10, 17:10 UTC2h 5m
2026-07-10 TVF455M - Jul 10, 11:05 UTCJul 10, 13:05 UTC2h 0m
2026-07-10 TVF583Z - Jul 10, 07:50 UTCJul 10, 09:35 UTC1h 45m
2026-07-10 TVF8859 - Jul 10, 04:10 UTCJul 10, 06:15 UTC2h 5m
2026-07-09 TVF8858 - Jul 9, 19:05 UTCJul 9, 20:55 UTC1h 50m
2026-07-09 TVF83EW - Jul 9, 14:50 UTCJul 9, 16:55 UTC2h 5m
2026-07-09 TVF98BU - Jul 9, 11:35 UTCJul 9, 13:40 UTC2h 5m
2026-07-09 TVF8337 - Jul 9, 07:50 UTCJul 9, 10:10 UTC2h 20m
2026-07-09 TVF8336 - Jul 9, 04:40 UTCJul 9, 06:35 UTC1h 55m
2026-07-08 TVF234P - Jul 8, 19:20 UTCJul 8, 21:10 UTC1h 50m
2026-07-08 TVF15DN - Jul 8, 14:45 UTCJul 8, 16:45 UTC2h 0m
2026-07-08 TVF21KT SVQ → ORY Jul 8, 11:10 UTCJul 8, 13:05 UTC1h 55m
2026-07-08 TVF68JY ORY → SVQ Jul 8, 07:35 UTCJul 8, 09:30 UTC1h 55m
2026-07-08 TVF742F - Jul 8, 04:35 UTCJul 8, 06:10 UTC1h 35m
2026-07-07 TVF52BE ORY → MAD Jul 7, 20:25 UTCJul 7, 21:55 UTC1h 30m
2026-07-07 TVF69EB - Jul 7, 11:10 UTCJul 7, 12:55 UTC1h 45m
2026-07-07 TVF82DG - Jul 7, 07:40 UTCJul 7, 09:10 UTC1h 30m
2026-07-07 TVF742F - Jul 7, 04:35 UTCJul 7, 06:20 UTC1h 45m
2026-07-06 TVF52BE ORY → MAD Jul 6, 20:00 UTCJul 6, 21:40 UTC1h 40m
2026-07-06 TVF42GK - Jul 6, 16:55 UTCJul 6, 18:30 UTC1h 35m
2026-07-06 TVF69UZ ORY → MAH Jul 6, 14:25 UTCJul 6, 15:50 UTC1h 25m
2026-07-06 TVF47TR VIE → ORY Jul 6, 11:40 UTCJul 6, 13:20 UTC1h 40m
2026-07-06 TVF61HP ORY → VIE Jul 6, 08:50 UTCJul 6, 10:25 UTC1h 35m
2026-07-06 TVF63AB OPO → ORY Jul 6, 05:50 UTCJul 6, 07:35 UTC1h 45m
2026-07-05 TVF18KQ ORY → OPO Jul 5, 18:45 UTCJul 5, 20:30 UTC1h 45m
2026-07-05 TVF26VL - Jul 5, 15:55 UTCJul 5, 17:35 UTC1h 40m
2026-07-05 TVF16LH - Jul 5, 13:15 UTCJul 5, 14:40 UTC1h 25m
2026-07-05 TVF51SD - Jul 5, 09:10 UTCJul 5, 11:30 UTC2h 20m
2026-07-05 TVF32QJ - Jul 5, 06:00 UTCJul 5, 08:10 UTC2h 10m
2026-07-04 TVF24ZB ORY → ORY Jul 4, 15:15 UTCJul 4, 20:40 UTC5h 25m
2026-07-04 TVF17YN - Jul 4, 10:50 UTCJul 4, 13:20 UTC2h 30m
2026-07-04 TVF43DC - Jul 4, 06:50 UTCJul 4, 09:10 UTC2h 20m
2026-07-03 TVF43BM OPO → ORY Jul 3, 18:55 UTCJul 3, 20:45 UTC1h 50m
2026-07-03 TVF95NL ORY → OPO Jul 3, 16:05 UTCJul 3, 17:50 UTC1h 45m
2026-07-03 TVF34FW ORY → ORY Jul 3, 07:50 UTCJul 3, 14:50 UTC7h 0m

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

Mode-S 3964EF frequently asked

What is Mode-S code 3964EF?
3964EF is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-GZHP.
Where is Mode-S 3964EF registered?
Mode-S code 3964EF is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3964EF broadcasting right now?
Yes. Mode-S 3964EF is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3964EF, octal 16262357, decimal 3,761,391.
What flights does 3964EF operate?
Mode-S 3964EF has broadcast 20 distinct callsigns, including TVF46GH, TVF15AN, TVF89WM, TVF89TU, TVF8393.