Apparatus

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sensors Mode-S transponder

4080C0

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-ZBLL · BOEING 787-10 Dreamliner

Hex
4080C0
Octal
20100300
Decimal
4,227,264
Country
GB
Tail
G-ZBLL
Type
B78X
No current signal · last broadcast 1h ago
Flights observed
194
Distinct callsigns
20
Country
GB
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 4080C0.

Country allocation

The ICAO 24-bit address 4080C0 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
BAW71K - 21 2026-07-07
BAW26V - 19 2026-07-08
BAW189 - 14 2026-07-09
BAW49N - 13 2026-07-10
BAW225Y British Airways 10 2026-06-26
BAW224U - 10 2026-06-27
BAW74X - 8 2026-07-11
BAW4EA - 8 2026-07-13
BAW193 British Airways 8 2026-05-19
BAW8K British Airways 7 2026-05-20
BAW81V - 7 2026-07-14
BAW26E - 7 2026-07-14
BAW37J British Airways 6 2026-07-06
BAW9ZY - 5 2026-07-04
BAW99 - 5 2026-07-03
BAW5CA British Airways 5 2026-07-04
BAW2PD - 5 2026-06-30
BAW20R - 5 2026-06-30
BAW18A - 5 2026-07-07
BAW98T - 4 2026-07-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 BAW81V - Jul 14, 20:50 UTCJul 15, 00:00 UTC3h 9m
2026-07-14 BAW26E - Jul 14, 09:15 UTCJul 14, 18:20 UTC9h 5m
2026-07-13 BAW4EA SEA → LHR Jul 13, 21:05 UTCJul 14, 05:30 UTC8h 25m
2026-07-13 BAW5WB - Jul 13, 09:35 UTCJul 13, 18:45 UTC9h 10m
2026-07-12 BAW81V - Jul 12, 20:50 UTCJul 13, 05:35 UTC8h 45m
2026-07-12 BAW26E - Jul 12, 08:35 UTCJul 12, 17:45 UTC9h 10m
2026-07-11 BAW74X LHR → LHR Jul 11, 11:25 UTCJul 12, 04:10 UTC16h 45m
2026-07-10 BAW75X LHR → LHR Jul 10, 12:05 UTCJul 11, 04:05 UTC16h 0m
2026-07-10 BAW49N EWR → LHR Jul 10, 02:15 UTCJul 10, 08:35 UTC6h 20m
2026-07-09 BAW189 LHR → EWR Jul 9, 16:30 UTCJul 9, 23:35 UTC7h 5m
2026-07-09 BAW34N - Jul 9, 03:00 UTCJul 9, 11:05 UTC8h 5m
2026-07-08 BAW5E - Jul 8, 15:05 UTCJul 9, 00:10 UTC9h 5m
2026-07-08 BAW26V PDX → LHR Jul 8, 02:50 UTCJul 8, 11:55 UTC9h 5m
2026-07-07 BAW71K - Jul 7, 15:20 UTCJul 8, 00:50 UTC9h 30m
2026-07-07 BAW18A JFK → LHR Jul 7, 03:05 UTCJul 7, 09:15 UTC6h 10m
2026-07-06 BAW37J LHR → JFK Jul 6, 17:15 UTCJul 7, 00:15 UTC7h 0m
2026-07-06 BAW26V PDX → LHR Jul 6, 02:45 UTCJul 6, 11:55 UTC9h 10m
2026-07-05 BAW71K - Jul 5, 15:05 UTCJul 6, 00:30 UTC9h 25m
2026-07-04 BAW5CA YYZ → LHR Jul 4, 22:45 UTCJul 5, 05:10 UTC6h 25m
2026-07-04 BAW9ZY - Jul 4, 13:05 UTCJul 4, 20:15 UTC7h 10m
2026-07-04 BAW98T YYZ → LHR Jul 4, 03:45 UTCJul 4, 09:55 UTC6h 10m
2026-07-03 BAW99 - Jul 3, 23:35 UTCJul 4, 01:05 UTC1h 30m
2026-07-03 BAW99 - Jul 3, 17:40 UTCJul 3, 23:30 UTC5h 50m
2026-07-02 BAW74X - Jul 2, 12:30 UTCJul 3, 04:05 UTC15h 35m
2026-07-01 BAW4EA SEA → LHR Jul 1, 20:45 UTCJul 2, 05:25 UTC8h 40m
2026-07-01 BAW5WB - Jul 1, 09:10 UTCJul 1, 18:20 UTC9h 10m
2026-06-30 BAW20R - Jun 30, 22:35 UTCJul 1, 05:25 UTC6h 50m
2026-06-30 BAW2PD - Jun 30, 11:25 UTCJun 30, 19:15 UTC7h 50m
2026-06-28 BAW26V PDX → LHR Jun 28, 03:55 UTCJun 28, 12:55 UTC9h 0m
2026-06-27 BAW71K - Jun 27, 16:55 UTCJun 28, 01:50 UTC8h 55m
2026-06-27 BAW224U MSY → LHR Jun 27, 02:59 UTCJun 27, 11:04 UTC8h 5m
2026-06-26 BAW225Y LHR → MSY Jun 26, 15:45 UTCJun 27, 00:55 UTC9h 10m
2026-06-26 BAW34N - Jun 26, 02:54 UTCJun 26, 10:35 UTC7h 40m
2026-06-25 BAW5E - Jun 25, 15:04 UTCJun 25, 23:44 UTC8h 40m
2026-06-25 BAW18A JFK → LHR Jun 25, 03:15 UTCJun 25, 09:14 UTC6h 0m
2026-06-24 BAW37J LHR → JFK Jun 24, 22:45 UTCJun 25, 00:55 UTC2h 10m
2026-06-24 BAW37J LHR → JFK Jun 24, 17:25 UTCJun 24, 18:39 UTC1h 15m
2026-06-24 BAW49N EWR → LHR Jun 24, 02:20 UTCJun 24, 08:30 UTC6h 10m
2026-06-23 BAW189 - Jun 23, 16:20 UTCJun 23, 23:39 UTC7h 20m
2026-06-23 BAW26V PDX → LHR Jun 23, 03:00 UTCJun 23, 11:54 UTC8h 55m
2026-06-22 BAW71K - Jun 22, 15:05 UTCJun 23, 00:30 UTC9h 25m
2026-06-21 BAW81V - Jun 21, 20:34 UTCJun 22, 05:10 UTC8h 35m
2026-06-21 BAW26E - Jun 21, 08:30 UTCJun 21, 18:00 UTC9h 30m
2026-06-20 BAW74X - Jun 20, 11:34 UTCJun 21, 04:14 UTC16h 40m
2026-06-20 BAW49N - Jun 20, 01:55 UTCJun 20, 07:59 UTC6h 5m
2026-06-19 BAW189 - Jun 19, 16:14 UTCJun 19, 23:14 UTC7h 0m
2026-06-19 BAW49N - Jun 19, 01:45 UTCJun 19, 07:59 UTC6h 15m
2026-06-18 BAW189 - Jun 18, 16:15 UTCJun 18, 23:10 UTC6h 55m
2026-06-18 BAW26V PDX → LHR Jun 18, 02:35 UTCJun 18, 11:35 UTC9h 0m
2026-06-17 BAW71K - Jun 17, 15:15 UTCJun 18, 00:25 UTC9h 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 G-ZBLL page for operator, model, and routing details .

Mode-S 4080C0 frequently asked

What is Mode-S code 4080C0?
4080C0 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-ZBLL.
Where is Mode-S 4080C0 registered?
Mode-S code 4080C0 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 4080C0 broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4080C0, octal 20100300, decimal 4,227,264.
What flights does 4080C0 operate?
Mode-S 4080C0 has broadcast 20 distinct callsigns, including BAW71K, BAW26V, BAW189, BAW49N, BAW225Y.