Apparatus

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sensors Mode-S transponder

406F78

ICAO 24-bit transponder address · allocated to United Kingdom

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

Hex
406F78
Octal
20067570
Decimal
4,222,840
Country
GB
Tail
G-ZBKL
Type
B789
No current signal · last broadcast 3h ago
Flights observed
182
Distinct callsigns
20
Country
GB
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S 406F78.

Country allocation

The ICAO 24-bit address 406F78 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
BAW168 - 16 2026-07-03
BAW34 - 14 2026-07-04
BAW33 British Airways 13 2026-07-03
BAW6 - 12 2026-07-11
BAW5 - 12 2026-07-10
BAW250 - 11 2026-07-12
BAW243 British Airways 11 2026-07-07
BAW169 - 11 2026-07-02
BAW242 - 10 2026-07-08
BAW16 British Airways 10 2026-07-01
BAW15 British Airways 9 2026-06-30
BAW251 - 5 2026-07-11
BAW20R - 5 2026-04-13
BAW271 - 4 2026-07-13
BAW270 - 4 2026-07-14
BAW138 - 4 2026-07-05
BAW60 British Airways 3 2026-04-28
BAW139 - 3 2026-07-05
BAW9EW - 2 2026-07-09
BAW6NC - 2 2026-07-08

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 BAW270 - Jul 14, 00:50 UTCJul 14, 03:35 UTC2h 45m
2026-07-13 BAW271 - Jul 13, 19:20 UTCJul 13, 22:30 UTC3h 10m
2026-07-13 - - Jul 13, 18:35 UTCJul 13, 18:45 UTC10m
2026-07-13 BAW271 - Jul 13, 12:35 UTCJul 13, 13:40 UTC1h 5m
2026-07-12 BAW250 - Jul 12, 22:30 UTCJul 13, 09:05 UTC10h 35m
2026-07-12 BAW250 - Jul 12, 19:20 UTCJul 12, 19:30 UTC10m
2026-07-11 BAW251 - Jul 11, 21:35 UTCJul 11, 22:30 UTC55m
2026-07-11 BAW6 HND → LHR Jul 11, 04:20 UTCJul 11, 18:30 UTC14h 10m
2026-07-10 BAW5 LHR → HND Jul 10, 12:45 UTCJul 11, 01:25 UTC12h 40m
2026-07-10 BAW270 LAS → LHR Jul 10, 00:35 UTCJul 10, 10:00 UTC9h 25m
2026-07-09 BAW271 - Jul 9, 12:20 UTCJul 9, 22:10 UTC9h 50m
2026-07-09 BAW9EW YUL → LHR Jul 9, 03:05 UTCJul 9, 09:05 UTC6h 0m
2026-07-08 BAW6NC - Jul 8, 18:25 UTCJul 9, 00:40 UTC6h 15m
2026-07-08 BAW242 - Jul 8, 05:45 UTCJul 8, 15:50 UTC10h 5m
2026-07-07 BAW243 LHR → MEX Jul 7, 14:50 UTCJul 8, 01:30 UTC10h 40m
2026-07-07 BAW270 - Jul 7, 09:40 UTCJul 7, 09:50 UTC10m
2026-07-06 BAW130 - Jul 6, 22:00 UTCJul 7, 08:15 UTC10h 15m
2026-07-06 BAW131 - Jul 6, 18:15 UTCJul 6, 18:25 UTC10m
2026-07-06 BAW131 - Jul 6, 09:15 UTCJul 6, 13:30 UTC4h 15m
2026-07-05 BAW138 - Jul 5, 22:50 UTCJul 6, 06:05 UTC7h 15m
2026-07-05 BAW138 - Jul 5, 20:40 UTCJul 5, 20:55 UTC15m
2026-07-05 BAW139 - Jul 5, 09:05 UTCJul 5, 17:50 UTC8h 45m
2026-07-04 BAW34 - Jul 4, 15:15 UTCJul 5, 03:55 UTC12h 40m
2026-07-03 BAW33 LHR → KUL Jul 3, 20:55 UTCJul 4, 08:55 UTC12h 0m
2026-07-03 BAW168 - Jul 3, 05:45 UTCJul 3, 18:05 UTC12h 20m
2026-07-02 BAW168 - Jul 2, 14:05 UTCJul 3, 14:00 UTC23h 55m
2026-07-02 BAW169 - Jul 2, 12:05 UTCJul 3, 09:45 UTC21h 40m
2026-07-02 BAW169 - Jul 2, 11:40 UTCJul 3, 09:45 UTC22h 5m
2026-07-01 BAW16 SIN → LHR Jul 1, 15:55 UTCJul 2, 04:50 UTC12h 55m
2026-07-01 BAW16 SIN → LHR Jul 1, 13:40 UTCJul 1, 13:50 UTC10m
2026-07-01 BAW16 SIN → LHR Jul 1, 05:40 UTCJul 1, 06:15 UTC35m
2026-06-30 BAW15 SIN → SYD Jun 30, 18:25 UTCJun 30, 19:25 UTC1h 0m
2026-06-30 BAW15 SIN → SYD Jun 30, 12:40 UTCJun 30, 14:00 UTC1h 20m
2026-06-29 BAW15 SIN → SYD Jun 29, 21:30 UTCJun 30, 10:05 UTC12h 36m
2026-06-29 BAW6 HND → LHR Jun 29, 04:25 UTCJun 29, 18:30 UTC14h 5m
2026-06-28 BAW5 LHR → NRT Jun 28, 12:44 UTCJun 29, 01:44 UTC13h 0m
2026-06-27 BAW138 - Jun 27, 23:34 UTCJun 28, 08:39 UTC9h 5m
2026-06-27 BAW139 - Jun 27, 12:39 UTCJun 27, 21:19 UTC8h 40m
2026-06-26 BAW138 - Jun 26, 20:59 UTCJun 27, 06:30 UTC9h 30m
2026-06-26 BAW139 - Jun 26, 10:25 UTCJun 26, 18:54 UTC8h 30m
2026-06-25 BAW6 HND → LHR Jun 25, 04:29 UTCJun 25, 18:24 UTC13h 55m
2026-06-24 BAW5 LHR → NRT Jun 24, 12:25 UTCJun 25, 01:24 UTC13h 0m
2026-06-24 BAW250 - Jun 24, 07:40 UTCJun 24, 08:55 UTC1h 15m
2026-06-23 BAW250 - Jun 23, 19:24 UTCJun 23, 19:34 UTC10m
2026-06-22 BAW251 LHR → SCL Jun 22, 21:45 UTCJun 22, 22:49 UTC1h 5m
2026-06-22 BAW242 - Jun 22, 04:19 UTCJun 22, 13:49 UTC9h 30m
2026-06-21 BAW243 LHR → MEX Jun 21, 14:40 UTCJun 22, 01:15 UTC10h 35m
2026-06-20 BAW16 SIN → LHR Jun 20, 14:54 UTCJun 21, 03:59 UTC13h 5m
2026-06-20 BAW16 SIN → LHR Jun 20, 04:54 UTCJun 20, 05:29 UTC35m
2026-06-19 BAW15 SIN → SYD Jun 19, 18:59 UTCJun 19, 19:34 UTC35m

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

Mode-S 406F78 frequently asked

What is Mode-S code 406F78?
406F78 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-ZBKL.
Where is Mode-S 406F78 registered?
Mode-S code 406F78 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 406F78 broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 406F78, octal 20067570, decimal 4,222,840.
What flights does 406F78 operate?
Mode-S 406F78 has broadcast 20 distinct callsigns, including BAW168, BAW34, BAW33, BAW6, BAW5.