Apparatus

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sensors Mode-S transponder

407944

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-XWBH · AIRBUS A-350-1000

Hex
407944
Octal
20074504
Decimal
4,225,348
Country
GB
Tail
G-XWBH
Type
A35K
No current signal · last broadcast 2d ago
Flights observed
146
Distinct callsigns
20
Country
GB
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S 407944.

Country allocation

The ICAO 24-bit address 407944 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 20 distinct

Callsign Airline Flights Last seen
BAW21ML - 12 2026-07-03
BAW9HL - 11 2026-07-10
BAW6RB - 11 2026-07-10
BAW219V - 11 2026-07-02
BAW247 - 10 2026-06-29
BAW2MW British Airways 9 2026-06-16
BAW246 - 8 2026-06-30
BAW9CG - 7 2026-07-07
BAW3GB - 7 2026-07-08
BAW78 - 6 2026-07-04
BAW4LV - 5 2026-06-17
BAW32 British Airways 4 2026-05-07
BAW31 British Airways 4 2026-05-06
BAW143 - 4 2026-06-21
BAW91C - 3 2026-07-06
BAW81 - 3 2026-04-14
BAW64 - 3 2026-04-13
BAW5CA British Airways 3 2026-07-06
BAW59 British Airways 3 2026-06-18
BAW58L - 3 2026-06-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-10 BAW9HL PHL → LHR Jul 10, 23:25 UTCJul 11, 05:40 UTC6h 15m
2026-07-10 BAW6RB LHR → PHL Jul 10, 13:25 UTCJul 10, 20:50 UTC7h 25m
2026-07-08 BAW3GB PHX → LHR Jul 8, 05:20 UTCJul 8, 14:35 UTC9h 15m
2026-07-07 BAW9CG - Jul 7, 16:20 UTCJul 8, 02:25 UTC10h 5m
2026-07-06 BAW19W AUS → LHR Jul 6, 23:30 UTCJul 7, 08:15 UTC8h 45m
2026-07-06 BAW91C - Jul 6, 10:40 UTCJul 6, 20:05 UTC9h 25m
2026-07-06 BAW5CA YYZ → LHR Jul 6, 00:30 UTCJul 6, 05:15 UTC4h 45m
2026-07-05 BAW5CA YYZ → LHR Jul 5, 23:00 UTCJul 6, 00:25 UTC1h 25m
2026-07-05 BAW9ZY LHR → YYZ Jul 5, 12:45 UTCJul 5, 19:55 UTC7h 10m
2026-07-04 BAW78 - Jul 4, 16:20 UTCJul 5, 07:00 UTC14h 40m
2026-07-03 BAW9HL - Jul 3, 23:10 UTCJul 4, 05:25 UTC6h 15m
2026-07-03 BAW6RB LHR → PHL Jul 3, 13:10 UTCJul 3, 20:35 UTC7h 25m
2026-07-03 BAW21ML DEN → LHR Jul 3, 01:10 UTCJul 3, 09:10 UTC8h 0m
2026-07-02 BAW219V - Jul 2, 13:00 UTCJul 2, 22:10 UTC9h 10m
2026-07-01 BAW9HL - Jul 1, 23:35 UTCJul 2, 05:45 UTC6h 10m
2026-07-01 BAW6RB LHR → PHL Jul 1, 13:45 UTCJul 1, 21:05 UTC7h 20m
2026-06-30 BAW246 - Jun 30, 19:00 UTCJul 1, 05:50 UTC10h 50m
2026-06-29 BAW247 - Jun 29, 21:50 UTCJun 30, 08:50 UTC11h 1m
2026-06-29 BAW3GB PHX → LHR Jun 29, 05:04 UTCJun 29, 14:14 UTC9h 10m
2026-06-28 BAW9CG - Jun 28, 15:55 UTCJun 29, 01:50 UTC9h 55m
2026-06-28 BAW21ML DEN → LHR Jun 28, 02:20 UTCJun 28, 10:39 UTC8h 20m
2026-06-27 BAW219V - Jun 27, 13:49 UTCJun 27, 22:35 UTC8h 45m
2026-06-26 BAW246 - Jun 26, 18:54 UTCJun 27, 05:39 UTC10h 45m
2026-06-25 BAW247 - Jun 25, 21:44 UTCJun 26, 08:34 UTC10h 50m
2026-06-23 BAW8 HND → LHR Jun 23, 00:30 UTCJun 23, 14:25 UTC13h 55m
2026-06-22 BAW7 LHR → HND Jun 22, 09:00 UTCJun 22, 21:35 UTC12h 35m
2026-06-21 BAW142 DEL → LHR Jun 21, 20:29 UTCJun 22, 05:20 UTC8h 50m
2026-06-21 BAW143 - Jun 21, 09:49 UTCJun 21, 12:55 UTC3h 5m
2026-06-20 BAW78 - Jun 20, 13:04 UTCJun 21, 05:15 UTC16h 10m
2026-06-19 BAW19W AUS → LHR Jun 19, 23:19 UTCJun 20, 07:49 UTC8h 30m
2026-06-19 BAW91C - Jun 19, 10:29 UTCJun 19, 20:04 UTC9h 35m
2026-06-18 BAW58L - Jun 18, 19:50 UTCJun 19, 04:10 UTC8h 19m
2026-06-18 BAW58L - Jun 18, 17:00 UTCJun 18, 17:15 UTC15m
2026-06-18 BAW59 LHR → CPT Jun 18, 08:20 UTCJun 18, 08:40 UTC20m
2026-06-17 BAW59 LHR → CPT Jun 17, 22:05 UTCJun 18, 05:45 UTC7h 40m
2026-06-17 BAW4LV LAS → LHR Jun 17, 05:30 UTCJun 17, 15:10 UTC9h 40m
2026-06-16 BAW2MW LHR → LAS Jun 16, 16:35 UTCJun 17, 02:10 UTC9h 36m
2026-06-16 BAW22E - Jun 16, 01:55 UTCJun 16, 09:10 UTC7h 15m
2026-06-15 BAW223N LHR → BNA Jun 15, 14:45 UTCJun 15, 23:04 UTC8h 20m
2026-06-12 BAW142 DEL → LHR Jun 12, 21:05 UTCJun 13, 05:45 UTC8h 39m
2026-06-12 BAW143 LHR → DEL Jun 12, 10:30 UTCJun 12, 17:20 UTC6h 50m
2026-06-12 BAW143 LHR → DEL Jun 12, 09:50 UTCJun 12, 10:25 UTC35m
2026-06-11 BAW58L CPT → LHR Jun 11, 17:15 UTCJun 12, 04:30 UTC11h 15m
2026-06-10 BAW59 LHR → CPT Jun 10, 21:55 UTCJun 11, 08:50 UTC10h 55m
2026-06-06 BAW142 DEL → LHR Jun 6, 21:35 UTCJun 7, 06:40 UTC9h 5m
2026-06-06 BAW143 LHR → DEL Jun 6, 10:30 UTCJun 6, 18:19 UTC7h 50m
2026-06-04 BAW246 GRU → LHR Jun 4, 18:15 UTCJun 5, 05:05 UTC10h 50m
2026-06-03 BAW247 LHR → GRU Jun 3, 21:45 UTCJun 4, 08:50 UTC11h 5m
2026-06-03 BAW3GB PHX → LHR Jun 3, 05:10 UTCJun 3, 14:20 UTC9h 10m
2026-06-02 BAW9CG LHR → PHX Jun 2, 16:40 UTCJun 3, 02:40 UTC10h 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 G-XWBH page for operator, model, and routing details .

Mode-S 407944 frequently asked

What is Mode-S code 407944?
407944 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-XWBH.
Where is Mode-S 407944 registered?
Mode-S code 407944 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 407944 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 407944, octal 20074504, decimal 4,225,348.
What flights does 407944 operate?
Mode-S 407944 has broadcast 20 distinct callsigns, including BAW21ML, BAW9HL, BAW6RB, BAW219V, BAW247.