sensors Mode-S transponder

39D301

ICAO 24-bit transponder address · allocated to France

Currently assigned to F-HUYB · BOEING 737-800

Hex
39D301
Octal
16351401
Decimal
3,789,569
Country
FR
Tail
F-HUYB
Type
B738
Broadcasting now · callsign TVF47RH · 39,000 ft
Flights observed
438
Distinct callsigns
20
Country
FR
Last broadcast
Jul 26, 21:25 UTC

Current position

39D301 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 39D301 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
TVF69JH - 6 2026-05-19
TVF88VZ - 5 2026-05-23
TVF75YW - 5 2026-06-12
TVF74VS - 5 2026-06-09
TVF59LS - 5 2026-05-13
TVF35PS - 5 2026-06-09
TVF23WV - 5 2026-06-12
TVF11JJ Transavia France 5 2026-05-19
TVF99KF - 4 2026-07-13
TVF77GE - 4 2026-07-13
TVF65RM - 4 2026-07-14
TVF55VU - 4 2026-05-10
TVF52FQ - 4 2026-05-24
TVF44LU - 4 2026-05-19
TVF35FJ - 4 2026-07-04
TVF30ZJ - 4 2026-05-18
TVF247A - 4 2026-06-20
TVF12HJ Transavia France 4 2026-06-23
TVF12FG - 4 2026-07-04
TVF99RR - 3 2026-05-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 TVF81FA LIS → NTE Jul 26, 19:50 UTCJul 26, 21:25 UTC1h 35m
2026-07-26 TVF90KW NTE → LIS Jul 26, 17:10 UTCJul 26, 18:50 UTC1h 40m
2026-07-26 TVF77ZH - Jul 26, 14:50 UTCJul 26, 16:20 UTC1h 30m
2026-07-26 TVF81UM - Jul 26, 12:15 UTCJul 26, 13:45 UTC1h 30m
2026-07-26 TVF12ML - Jul 26, 07:40 UTCJul 26, 09:20 UTC1h 40m
2026-07-26 TVF869W NTE → ALG Jul 26, 04:30 UTCJul 26, 06:00 UTC1h 30m
2026-07-25 TVF89TU - Jul 25, 19:25 UTCJul 25, 23:10 UTC3h 45m
2026-07-25 TVF89WM - Jul 25, 16:50 UTCJul 25, 17:55 UTC1h 5m
2026-07-25 TVF89WM - Jul 25, 13:50 UTCJul 25, 15:55 UTC2h 5m
2026-07-25 TVF51FC - Jul 25, 10:35 UTCJul 25, 12:10 UTC1h 35m
2026-07-25 TVF63AL NTE → FSC Jul 25, 07:10 UTCJul 25, 08:35 UTC1h 25m
2026-07-24 TVF34TM - Jul 24, 19:35 UTCJul 24, 21:20 UTC1h 45m
2026-07-24 TVF12XQ CPH → ORY Jul 24, 15:45 UTCJul 24, 17:35 UTC1h 50m
2026-07-24 TVF48CT - Jul 24, 12:15 UTCJul 24, 13:25 UTC1h 10m
2026-07-24 TVF41ZM - Jul 24, 10:00 UTCJul 24, 11:10 UTC1h 10m
2026-07-24 TVF75QX - Jul 24, 07:40 UTCJul 24, 08:45 UTC1h 5m
2026-07-24 TVF54HE NTE → MRS Jul 24, 05:30 UTCJul 24, 06:35 UTC1h 5m
2026-07-23 TVF8021 - Jul 23, 16:00 UTCJul 23, 20:45 UTC4h 45m
2026-07-23 TVF97EH ORY → BJA Jul 23, 09:30 UTCJul 23, 14:35 UTC5h 5m
2026-07-22 TVF10HY CMN → NTE Jul 22, 18:30 UTCJul 22, 20:50 UTC2h 20m
2026-07-22 TVF58MV - Jul 22, 15:05 UTCJul 22, 17:30 UTC2h 25m
2026-07-22 TVF45FY - Jul 22, 10:20 UTCJul 22, 13:55 UTC3h 35m
2026-07-21 TVF18KV NTE → AGA Jul 21, 13:45 UTCJul 21, 19:55 UTC6h 10m
2026-07-21 TVF55MP - Jul 21, 09:05 UTCJul 21, 12:30 UTC3h 25m
2026-07-21 TVF29MG - Jul 21, 04:45 UTCJul 21, 07:35 UTC2h 50m
2026-07-20 TVF19VA - Jul 20, 19:10 UTCJul 20, 20:20 UTC1h 10m
2026-07-20 TVF92FH NTE → MRS Jul 20, 16:50 UTCJul 20, 17:55 UTC1h 5m
2026-07-20 TVF89TU - Jul 20, 09:10 UTCJul 20, 13:05 UTC3h 55m
2026-07-20 TVF89WM - Jul 20, 04:35 UTCJul 20, 07:35 UTC3h 0m
2026-07-19 TVF51FC - Jul 19, 18:50 UTCJul 19, 20:25 UTC1h 35m
2026-07-19 TVF63AL NTE → FSC Jul 19, 16:10 UTCJul 19, 17:30 UTC1h 20m
2026-07-19 TVF96TK - Jul 19, 13:50 UTCJul 19, 14:55 UTC1h 5m
2026-07-19 TVF49RE - Jul 19, 11:35 UTCJul 19, 12:45 UTC1h 10m
2026-07-19 TVF8047 - Jul 19, 07:45 UTCJul 19, 09:50 UTC2h 5m
2026-07-19 TVF8046 - Jul 19, 04:15 UTCJul 19, 06:10 UTC1h 55m
2026-07-18 TVF52GV - Jul 18, 16:10 UTCJul 18, 20:25 UTC4h 15m
2026-07-18 TVF93ZL - Jul 18, 10:50 UTCJul 18, 14:25 UTC3h 35m
2026-07-18 TVF81FA - Jul 18, 07:20 UTCJul 18, 08:40 UTC1h 20m
2026-07-18 TVF90KW - Jul 18, 04:35 UTCJul 18, 06:25 UTC1h 50m
2026-07-17 TVF81FA - Jul 17, 19:20 UTCJul 17, 20:44 UTC1h 25m
2026-07-17 TVF90KW - Jul 17, 16:34 UTCJul 17, 18:25 UTC1h 50m
2026-07-17 TVF89RL - Jul 17, 14:00 UTCJul 17, 15:15 UTC1h 15m
2026-07-17 TVF20LL - Jul 17, 11:35 UTCJul 17, 12:45 UTC1h 10m
2026-07-17 TVF62RT PMO → NTE Jul 17, 08:20 UTCJul 17, 10:35 UTC2h 15m
2026-07-17 TVF10TE - Jul 17, 04:49 UTCJul 17, 06:50 UTC2h 0m
2026-07-16 TVF10CY - Jul 16, 18:19 UTCJul 16, 20:45 UTC2h 25m
2026-07-16 TVF22VQ - Jul 16, 15:10 UTCJul 16, 17:14 UTC2h 5m
2026-07-16 TVF65QY - Jul 16, 08:55 UTCJul 16, 11:34 UTC2h 40m
2026-07-16 TVF20SS - Jul 16, 05:10 UTCJul 16, 07:05 UTC1h 55m
2026-07-15 TVF50LQ - Jul 15, 19:45 UTCJul 15, 21:00 UTC1h 15m

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

Mode-S 39D301 frequently asked

What is Mode-S code 39D301?
39D301 is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-HUYB.
Where is Mode-S 39D301 registered?
Mode-S code 39D301 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 39D301 broadcasting right now?
Yes. Mode-S 39D301 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 39D301, octal 16351401, decimal 3,789,569.
What flights does 39D301 operate?
Mode-S 39D301 has broadcast 20 distinct callsigns, including TVF69JH, TVF88VZ, TVF75YW, TVF74VS, TVF59LS.