Apparatus

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sensors Mode-S transponder

424506

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to VQ-BQV · BOEING 737-700

Hex
424506
Octal
20442406
Decimal
4,343,046
Country
GB
Tail
VQ-BQV
Type
B737
No current signal · last broadcast 1d ago
Flights observed
86
Distinct callsigns
2
Country
GB
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 424506.

Country allocation

The ICAO 24-bit address 424506 falls within the block assigned to United Kingdom (GB) by ICAO Annex 10, Volume III. Every aircraft registered in United Kingdom 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 2 distinct

Callsign Airline Flights Last seen
VQBQV - 85 2026-07-16
VVQBQV - 1 2026-04-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-16 VQBQV - Jul 16, 02:50 UTCJul 16, 06:15 UTC3h 25m
2026-07-14 VQBQV - Jul 14, 13:20 UTCJul 14, 14:55 UTC1h 35m
2026-07-14 VQBQV - Jul 14, 11:40 UTCJul 14, 12:05 UTC25m
2026-07-14 VQBQV - Jul 14, 10:05 UTCJul 14, 10:30 UTC25m
2026-07-13 VQBQV - Jul 13, 08:40 UTCJul 13, 09:25 UTC45m
2026-07-13 VQBQV - Jul 13, 04:35 UTCJul 13, 04:45 UTC10m
2026-07-12 VQBQV - Jul 12, 07:10 UTCJul 12, 07:20 UTC10m
2026-07-12 VQBQV - Jul 12, 03:40 UTCJul 12, 04:05 UTC25m
2026-07-11 VQBQV - Jul 11, 12:15 UTCJul 11, 13:00 UTC45m
2026-07-11 VQBQV - Jul 11, 11:00 UTCJul 11, 11:35 UTC35m
2026-07-11 VQBQV - Jul 11, 05:50 UTCJul 11, 07:45 UTC1h 55m
2026-07-10 VQBQV - Jul 10, 09:00 UTCJul 10, 09:45 UTC45m
2026-07-10 VQBQV - Jul 10, 03:35 UTCJul 10, 06:50 UTC3h 15m
2026-07-09 VQBQV - Jul 9, 11:40 UTCJul 9, 12:15 UTC35m
2026-07-09 VQBQV - Jul 9, 06:30 UTCJul 9, 08:05 UTC1h 35m
2026-07-03 VQBQV - Jul 3, 09:45 UTCJul 3, 10:10 UTC25m
2026-07-02 VQBQV - Jul 2, 03:40 UTCJul 2, 04:00 UTC20m
2026-06-30 VQBQV - Jun 30, 08:10 UTCJun 30, 08:25 UTC15m
2026-06-30 VQBQV - Jun 30, 06:15 UTCJun 30, 06:50 UTC35m
2026-06-28 VQBQV - Jun 28, 08:09 UTCJun 28, 08:44 UTC35m
2026-06-26 VQBQV - Jun 26, 06:39 UTCJun 26, 06:54 UTC15m
2026-06-26 VQBQV - Jun 26, 03:15 UTCJun 26, 03:45 UTC30m
2026-06-25 VQBQV - Jun 25, 09:20 UTCJun 25, 09:29 UTC10m
2026-06-20 VQBQV - Jun 20, 08:44 UTCJun 20, 12:04 UTC3h 20m
2026-06-20 VQBQV - Jun 20, 04:20 UTCJun 20, 04:49 UTC30m
2026-06-19 VQBQV - Jun 19, 02:50 UTCJun 19, 04:25 UTC1h 35m
2026-06-18 VQBQV - Jun 18, 13:15 UTCJun 18, 13:30 UTC15m
2026-06-18 VQBQV - Jun 18, 12:05 UTCJun 18, 12:15 UTC10m
2026-06-18 VQBQV - Jun 18, 10:35 UTCJun 18, 10:50 UTC15m
2026-06-18 VQBQV - Jun 18, 07:55 UTCJun 18, 08:05 UTC10m
2026-06-16 VQBQV - Jun 16, 16:55 UTCJun 16, 17:15 UTC20m
2026-06-16 VQBQV - Jun 16, 13:30 UTCJun 16, 13:50 UTC20m
2026-06-16 VQBQV - Jun 16, 10:30 UTCJun 16, 10:45 UTC15m
2026-06-15 VQBQV - Jun 15, 16:24 UTCJun 15, 16:35 UTC10m
2026-06-15 VQBQV - Jun 15, 13:50 UTCJun 15, 14:24 UTC35m
2026-06-15 VQBQV - Jun 15, 10:24 UTCJun 15, 12:45 UTC2h 20m
2026-06-12 VQBQV - Jun 12, 05:45 UTCJun 12, 06:15 UTC30m
2026-06-12 VQBQV - Jun 12, 00:35 UTCJun 12, 02:55 UTC2h 20m
2026-06-11 VQBQV - Jun 11, 06:55 UTCJun 11, 07:20 UTC25m
2026-06-11 VQBQV - Jun 11, 05:55 UTCJun 11, 06:05 UTC10m
2026-06-07 VQBQV - Jun 7, 10:00 UTCJun 7, 10:15 UTC15m
2026-06-07 VQBQV - Jun 7, 06:20 UTCJun 7, 09:30 UTC3h 10m
2026-06-06 VQBQV - Jun 6, 03:35 UTCJun 6, 06:40 UTC3h 5m
2026-06-06 VQBQV - Jun 6, 00:10 UTCJun 6, 00:15 UTC5m
2026-06-02 VQBQV - Jun 2, 09:15 UTCJun 2, 09:25 UTC10m
2026-06-02 VQBQV - Jun 2, 04:55 UTCJun 2, 05:05 UTC10m
2026-05-29 VQBQV - May 29, 07:20 UTCMay 29, 07:30 UTC10m
2026-05-29 VQBQV - May 29, 02:50 UTCMay 29, 04:20 UTC1h 30m
2026-05-28 VQBQV - May 28, 00:20 UTCMay 28, 05:40 UTC5h 20m
2026-05-27 VQBQV - May 27, 02:39 UTCMay 27, 06:49 UTC4h 10m

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 VQ-BQV page for operator, model, and routing details .

Mode-S 424506 frequently asked

What is Mode-S code 424506?
424506 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to VQ-BQV.
Where is Mode-S 424506 registered?
Mode-S code 424506 is allocated to United Kingdom (GB). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 424506 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 424506, octal 20442406, decimal 4,343,046.
What flights does 424506 operate?
Mode-S 424506 has broadcast 2 distinct callsigns, including VQBQV, VVQBQV.