Apparatus

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sensors Mode-S transponder

406F74

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-ZBKH · BOEING 787-9 Dreamliner

Hex
406F74
Octal
20067564
Decimal
4,222,836
Country
GB
Tail
G-ZBKH
Type
B789
No current signal · last broadcast 9d ago
Flights observed
168
Distinct callsigns
20
Country
GB
Last broadcast
9d ago

Last known position

Most recent position reported by Mode-S 406F74.

Country allocation

The ICAO 24-bit address 406F74 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
BAW16 British Airways 27 2026-06-30
BAW168 - 25 2026-06-28
BAW15 British Airways 25 2026-06-29
BAW169 - 20 2026-06-27
BAW6 - 9 2026-07-04
BAW5 British Airways 8 2026-07-03
BAW33 British Airways 7 2026-06-18
BAW34 - 5 2026-06-18
BAW60 - 4 2026-06-16
BAW36 British Airways 4 2026-04-18
BAW243 British Airways 4 2026-06-11
BAW242 - 4 2026-06-12
BAW35 British Airways 3 2026-04-17
BAW271 British Airways 3 2026-06-15
BAW270 - 3 2026-06-16
BAW81V - 2 2026-07-01
BAW26E - 2 2026-07-01
BAW250 British Airways 2 2026-05-11
BAW130 - 2 2026-07-02
BAW9ZY British Airways 1 2026-05-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-05 BAW9174 - Jul 5, 07:15 UTCJul 5, 07:45 UTC30m
2026-07-04 BAW6 HND → LHR Jul 4, 04:20 UTCJul 4, 18:10 UTC13h 50m
2026-07-03 BAW5 LHR → NRT Jul 3, 12:30 UTCJul 4, 01:15 UTC12h 45m
2026-07-02 BAW130 - Jul 2, 23:20 UTCJul 3, 08:40 UTC9h 20m
2026-07-02 BAW130 - Jul 2, 22:15 UTCJul 2, 22:35 UTC20m
2026-07-02 BAW131 - Jul 2, 09:40 UTCJul 2, 18:55 UTC9h 15m
2026-07-01 BAW81V - Jul 1, 20:45 UTCJul 2, 05:25 UTC8h 40m
2026-07-01 BAW26E - Jul 1, 08:35 UTCJul 1, 18:15 UTC9h 40m
2026-06-30 BAW16 SIN → LHR Jun 30, 15:00 UTCJul 1, 04:05 UTC13h 5m
2026-06-30 BAW16 SIN → LHR Jun 30, 05:00 UTCJun 30, 12:50 UTC7h 50m
2026-06-29 BAW15 SIN → SYD Jun 29, 18:55 UTCJun 29, 19:29 UTC35m
2026-06-29 BAW15 SIN → SYD Jun 29, 12:34 UTCJun 29, 12:45 UTC10m
2026-06-28 BAW15 SIN → SYD Jun 28, 21:34 UTCJun 29, 10:20 UTC12h 45m
2026-06-28 BAW168 - Jun 28, 05:24 UTCJun 28, 18:19 UTC12h 55m
2026-06-27 BAW168 - Jun 27, 17:20 UTCJun 28, 17:00 UTC23h 40m
2026-06-27 BAW169 - Jun 27, 15:05 UTCJun 28, 14:19 UTC23h 15m
2026-06-27 BAW169 - Jun 27, 13:49 UTCJun 28, 13:00 UTC23h 10m
2026-06-26 BAW16 SIN → LHR Jun 26, 15:05 UTCJun 27, 04:09 UTC13h 5m
2026-06-26 BAW16 SIN → LHR Jun 26, 12:29 UTCJun 26, 12:39 UTC10m
2026-06-26 BAW16 SIN → LHR Jun 26, 04:59 UTCJun 26, 05:35 UTC35m
2026-06-25 BAW15 SIN → SYD Jun 25, 12:40 UTCJun 25, 19:39 UTC7h 0m
2026-06-24 BAW15 SIN → SYD Jun 24, 22:19 UTCJun 25, 10:25 UTC12h 5m
2026-06-24 BAW168 - Jun 24, 04:59 UTCJun 24, 17:45 UTC12h 45m
2026-06-23 BAW168 - Jun 23, 18:39 UTCJun 24, 16:59 UTC22h 20m
2026-06-23 BAW168 - Jun 23, 15:30 UTCJun 24, 15:00 UTC23h 30m
2026-06-23 BAW169 - Jun 23, 13:05 UTCJun 24, 13:00 UTC23h 55m
2026-06-23 BAW169 - Jun 23, 11:35 UTCJun 24, 05:20 UTC17h 45m
2026-06-22 BAW16 SIN → LHR Jun 22, 15:20 UTCJun 23, 04:29 UTC13h 10m
2026-06-22 BAW16 SIN → LHR Jun 22, 04:54 UTCJun 22, 05:29 UTC35m
2026-06-21 BAW15 SIN → SYD Jun 21, 19:05 UTCJun 21, 19:45 UTC40m
2026-06-20 BAW15 SIN → SYD Jun 20, 21:30 UTCJun 21, 10:04 UTC12h 35m
2026-06-20 BAW168 - Jun 20, 04:44 UTCJun 20, 17:19 UTC12h 35m
2026-06-19 BAW168 - Jun 19, 15:09 UTCJun 20, 14:59 UTC23h 50m
2026-06-19 BAW169 - Jun 19, 13:04 UTCJun 20, 12:59 UTC23h 55m
2026-06-19 BAW169 - Jun 19, 11:30 UTCJun 20, 05:14 UTC17h 45m
2026-06-18 BAW34 - Jun 18, 16:40 UTCJun 19, 05:34 UTC12h 54m
2026-06-18 BAW33 LHR → KUL Jun 18, 08:35 UTCJun 18, 09:10 UTC35m
2026-06-17 BAW33 LHR → KUL Jun 17, 20:45 UTCJun 18, 05:50 UTC9h 5m
2026-06-16 BAW60 - Jun 16, 23:45 UTCJun 17, 17:05 UTC17h 20m
2026-06-16 BAW60 - Jun 16, 21:05 UTCJun 17, 17:05 UTC20h 0m
2026-06-16 BAW60 - Jun 16, 19:05 UTCJun 17, 17:05 UTC22h 1m
2026-06-16 BAW60 - Jun 16, 17:45 UTCJun 17, 17:00 UTC23h 16m
2026-06-16 BAW270 LAS → LHR Jun 16, 00:50 UTCJun 16, 10:20 UTC9h 30m
2026-06-15 BAW271 LHR → LAS Jun 15, 12:00 UTCJun 15, 21:30 UTC9h 30m
2026-06-14 BAW16 SIN → LHR Jun 14, 15:15 UTCJun 15, 04:50 UTC13h 34m
2026-06-14 BAW16 SIN → LHR Jun 14, 12:55 UTCJun 14, 13:05 UTC10m
2026-06-14 BAW16 SIN → LHR Jun 14, 04:55 UTCJun 14, 05:35 UTC40m
2026-06-13 BAW15 SIN → SYD Jun 13, 12:45 UTCJun 13, 19:25 UTC6h 40m
2026-06-12 BAW15 SIN → SYD Jun 12, 21:25 UTCJun 13, 09:40 UTC12h 14m
2026-06-12 BAW242 - Jun 12, 04:25 UTCJun 12, 14:40 UTC10h 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 G-ZBKH page for operator, model, and routing details .

Mode-S 406F74 frequently asked

What is Mode-S code 406F74?
406F74 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-ZBKH.
Where is Mode-S 406F74 registered?
Mode-S code 406F74 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 406F74 broadcasting right now?
No active broadcast right now. Last signal was 9d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 406F74, octal 20067564, decimal 4,222,836.
What flights does 406F74 operate?
Mode-S 406F74 has broadcast 20 distinct callsigns, including BAW16, BAW168, BAW15, BAW169, BAW6.