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
Broadcasting now · callsign BAW9CG · 34,000 ft
Flights observed
91
Distinct callsigns
20
Country
GB
Last broadcast
7h ago

Current position

407944 is currently broadcasting. Map zoomed to live position.

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 British Airways 10 2026-05-28
BAW219V British Airways 9 2026-05-27
BAW9HL British Airways 8 2026-05-21
BAW6RB British Airways 8 2026-05-20
BAW2MW British Airways 8 2026-05-04
BAW247 British Airways 7 2026-05-25
BAW246 British Airways 5 2026-05-25
BAW9CG British Airways 4 2026-05-29
BAW78 British Airways 4 2026-05-07
BAW4LV British Airways 4 2026-05-05
BAW32 British Airways 4 2026-05-07
BAW31 British Airways 4 2026-05-06
BAW81 - 3 2026-04-14
BAW64 - 3 2026-04-13
BAW3GB British Airways 3 2026-05-24
BAW9ZY British Airways 1 2026-05-10
BAW8 British Airways 1 2026-05-02
BAW7 British Airways 1 2026-05-01
BAW65 - 1 2026-04-12
BAW5CA British Airways 1 2026-05-10

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 BAW9CG LHR → PHX May 29, 16:25 UTCMay 29, 18:50 UTC2h 25m
2026-05-29 BAW22E BNA → LHR May 29, 02:05 UTCMay 29, 10:10 UTC8h 5m
2026-05-28 BAW223N LHR → BNA May 28, 15:15 UTCMay 28, 23:05 UTC7h 50m
2026-05-28 BAW21ML DEN → LHR May 28, 01:05 UTCMay 28, 09:45 UTC8h 40m
2026-05-27 BAW219V LHR → DEN May 27, 13:10 UTCMay 27, 22:25 UTC9h 15m
2026-05-27 BAW21ML DEN → LHR May 27, 00:55 UTCMay 27, 09:15 UTC8h 20m
2026-05-26 BAW219V LHR → DEN May 26, 13:29 UTCMay 26, 22:29 UTC9h 0m
2026-05-25 BAW246 GRU → LHR May 25, 19:00 UTCMay 26, 05:20 UTC10h 19m
2026-05-25 BAW247 LHR → GRU May 25, 05:25 UTCMay 25, 08:40 UTC3h 15m
2026-05-24 BAW3GB PHX → LHR May 24, 04:15 UTCMay 24, 14:00 UTC9h 45m
2026-05-23 BAW9CG LHR → PHX May 23, 15:45 UTCMay 24, 01:40 UTC9h 56m
2026-05-23 BAW21ML DEN → LHR May 23, 00:55 UTCMay 23, 09:05 UTC8h 9m
2026-05-22 BAW219V LHR → DEN May 22, 13:15 UTCMay 22, 22:05 UTC8h 50m
2026-05-22 BAW21ML DEN → LHR May 22, 01:25 UTCMay 22, 09:40 UTC8h 15m
2026-05-22 BAW21ML DEN → LHR May 22, 00:25 UTCMay 22, 00:30 UTC5m
2026-05-21 BAW219V LHR → DEN May 21, 12:55 UTCMay 21, 21:50 UTC8h 55m
2026-05-21 BAW9HL PHL → LHR May 21, 01:30 UTCMay 21, 07:55 UTC6h 25m
2026-05-20 BAW6RB LHR → PHL May 20, 14:00 UTCMay 20, 21:15 UTC7h 15m
2026-05-20 BAW21ML DEN → LHR May 20, 00:50 UTCMay 20, 08:40 UTC7h 51m
2026-05-19 BAW219V LHR → DEN May 19, 12:55 UTCMay 19, 22:00 UTC9h 5m
2026-05-18 BAW9HL PHL → LHR May 18, 23:10 UTCMay 19, 05:40 UTC6h 30m
2026-05-18 BAW6RB LHR → PHL May 18, 13:35 UTCMay 18, 20:30 UTC6h 54m
2026-05-17 BAW9HL PHL → LHR May 17, 23:05 UTCMay 18, 05:30 UTC6h 25m
2026-05-17 BAW6RB LHR → PHL May 17, 13:15 UTCMay 17, 20:25 UTC7h 10m
2026-05-17 BAW21ML DEN → LHR May 17, 00:45 UTCMay 17, 08:50 UTC8h 5m
2026-05-16 BAW219V LHR → DEN May 16, 13:21 UTCMay 16, 22:20 UTC8h 59m
2026-05-15 BAW9HL PHL → LHR May 15, 23:10 UTCMay 16, 05:20 UTC6h 10m
2026-05-15 BAW6RB LHR → PHL May 15, 13:10 UTCMay 15, 20:25 UTC7h 14m
2026-05-15 BAW9HL PHL → LHR May 15, 00:15 UTCMay 15, 06:20 UTC6h 5m
2026-05-14 BAW6RB LHR → PHL May 14, 14:30 UTCMay 14, 21:55 UTC7h 25m
2026-05-14 BAW21ML DEN → LHR May 14, 02:45 UTCMay 14, 11:01 UTC8h 15m
2026-05-13 BAW219V LHR → DEN May 13, 15:00 UTCMay 14, 00:10 UTC9h 10m
2026-05-12 BAW9HL PHL → LHR May 12, 23:10 UTCMay 13, 05:40 UTC6h 30m
2026-05-12 BAW6RB LHR → PHL May 12, 13:15 UTCMay 12, 20:30 UTC7h 15m
2026-05-12 BAW9HL PHL → LHR May 12, 05:25 UTCMay 12, 06:45 UTC1h 20m
2026-05-11 BAW6RB LHR → PHL May 11, 13:45 UTCMay 11, 21:05 UTC7h 21m
2026-05-10 BAW5CA YYZ → LHR May 10, 22:45 UTCMay 11, 05:15 UTC6h 30m
2026-05-10 BAW9ZY LHR → YYZ May 10, 12:40 UTCMay 10, 19:40 UTC7h 0m
2026-05-10 BAW9HL PHL → LHR May 10, 00:05 UTCMay 10, 06:40 UTC6h 35m
2026-05-09 BAW6RB LHR → PHL May 9, 14:15 UTCMay 9, 21:14 UTC7h 0m
2026-05-09 BAW21ML DEN → LHR May 9, 03:10 UTCMay 9, 11:20 UTC8h 10m
2026-05-08 BAW219V LHR → DEN May 8, 15:40 UTCMay 9, 00:45 UTC9h 5m
2026-05-07 BAW78 ACC → LHR May 7, 13:05 UTCMay 8, 04:39 UTC15h 35m
2026-05-07 BAW32 HKG → LHR May 7, 02:30 UTCMay 7, 05:15 UTC2h 45m
2026-05-06 BAW32 HKG → LHR May 6, 15:10 UTCMay 6, 15:30 UTC20m
2026-05-06 BAW31 LHR → HKG May 6, 06:40 UTCMay 6, 07:01 UTC20m
2026-05-05 BAW31 LHR → HKG May 5, 18:55 UTCMay 5, 21:45 UTC2h 50m
2026-05-05 BAW4LV LAS → LHR May 5, 05:25 UTCMay 5, 14:45 UTC9h 20m
2026-05-04 BAW2MW LHR → LAS May 4, 17:00 UTCMay 5, 03:00 UTC10h 1m
2026-05-03 BAW32 HKG → LHR May 3, 22:05 UTCMay 4, 05:50 UTC7h 45m

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?
Yes. Mode-S 407944 is currently airborne.
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, BAW219V, BAW9HL, BAW6RB, BAW2MW.