Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

4080BF

ICAO 24-bit transponder address · allocated to United Kingdom

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

Hex
4080BF
Octal
20100277
Decimal
4,227,263
Country
GB
Tail
G-ZBLK
Type
B78X
No current signal · last broadcast 22h ago
Flights observed
158
Distinct callsigns
20
Country
GB
Last broadcast
22h ago

Last known position

Most recent position reported by Mode-S 4080BF.

Country allocation

The ICAO 24-bit address 4080BF 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
BAW4EA - 16 2026-07-05
BAW49N - 11 2026-07-09
BAW189 - 11 2026-07-08
BAW74X - 10 2026-07-12
BAW5EA British Airways 8 2026-05-01
BAW2PD British Airways 8 2026-05-21
BAW20R British Airways 8 2026-05-21
BAW5WB - 7 2026-07-05
BAW99 - 6 2026-06-29
BAW81V - 6 2026-06-28
BAW37J British Airways 6 2026-06-23
BAW26E - 6 2026-06-28
BAW18A - 6 2026-06-24
BAW98T - 5 2026-06-30
BAW5E - 4 2026-07-07
BAW34N - 4 2026-07-08
BAW299 - 4 2026-07-10
BAW225Y British Airways 4 2026-06-25
BAW224U - 4 2026-06-26
BAW9ZY - 3 2026-07-02

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-12 BAW74X LHR → LHR Jul 12, 11:45 UTCJul 13, 04:05 UTC16h 20m
2026-07-11 BAW9608 - Jul 11, 23:50 UTCJul 12, 07:10 UTC7h 20m
2026-07-10 BAW299 LHR → ORD Jul 10, 12:55 UTCJul 10, 20:55 UTC8h 0m
2026-07-10 BAW9EW YUL → LHR Jul 10, 03:25 UTCJul 10, 09:10 UTC5h 45m
2026-07-09 BAW6NC - Jul 9, 18:00 UTCJul 10, 00:30 UTC6h 30m
2026-07-09 BAW49N EWR → LHR Jul 9, 02:05 UTCJul 9, 08:25 UTC6h 20m
2026-07-08 BAW189 - Jul 8, 16:10 UTCJul 8, 23:10 UTC7h 0m
2026-07-08 BAW34N - Jul 8, 03:05 UTCJul 8, 11:10 UTC8h 5m
2026-07-07 BAW5E - Jul 7, 15:20 UTCJul 8, 00:00 UTC8h 40m
2026-07-06 BAW74X - Jul 6, 11:30 UTCJul 7, 04:55 UTC17h 25m
2026-07-05 BAW4EA SEA → LHR Jul 5, 21:35 UTCJul 6, 06:05 UTC8h 30m
2026-07-05 BAW5WB - Jul 5, 09:25 UTCJul 5, 18:45 UTC9h 20m
2026-07-04 BAW4EA SEA → LHR Jul 4, 21:50 UTCJul 5, 06:25 UTC8h 35m
2026-07-04 BAW5WB - Jul 4, 09:15 UTCJul 4, 18:25 UTC9h 10m
2026-07-03 BAW4EA SEA → LHR Jul 3, 21:25 UTCJul 4, 06:05 UTC8h 40m
2026-07-03 BAW5WB LHR → SEA Jul 3, 09:10 UTCJul 3, 18:15 UTC9h 5m
2026-07-02 BAW5CA YYZ → LHR Jul 2, 23:35 UTCJul 3, 05:45 UTC6h 10m
2026-07-02 BAW9ZY LHR → YYZ Jul 2, 12:50 UTCJul 2, 20:10 UTC7h 20m
2026-07-02 BAW49N EWR → LHR Jul 2, 02:10 UTCJul 2, 08:25 UTC6h 15m
2026-07-01 BAW189 - Jul 1, 16:15 UTCJul 1, 23:20 UTC7h 5m
2026-06-30 BAW5CA YYZ → LHR Jun 30, 22:35 UTCJul 1, 05:05 UTC6h 30m
2026-06-30 BAW9ZY - Jun 30, 13:00 UTCJun 30, 20:00 UTC7h 0m
2026-06-30 BAW98T - Jun 30, 02:30 UTCJun 30, 08:50 UTC6h 20m
2026-06-29 BAW99 - Jun 29, 16:35 UTCJun 29, 23:34 UTC7h 0m
2026-06-28 BAW81V - Jun 28, 20:45 UTCJun 29, 05:20 UTC8h 35m
2026-06-28 BAW26E - Jun 28, 08:39 UTCJun 28, 17:50 UTC9h 10m
2026-06-27 BAW74X - Jun 27, 12:09 UTCJun 28, 04:20 UTC16h 10m
2026-06-27 BAW49N - Jun 27, 01:44 UTCJun 27, 07:59 UTC6h 15m
2026-06-26 BAW189 - Jun 26, 16:30 UTCJun 26, 23:34 UTC7h 5m
2026-06-26 BAW224U MSY → LHR Jun 26, 03:10 UTCJun 26, 11:14 UTC8h 5m
2026-06-25 BAW225Y LHR → MSY Jun 25, 15:20 UTCJun 26, 00:24 UTC9h 5m
2026-06-25 BAW34N - Jun 25, 03:40 UTCJun 25, 11:30 UTC7h 50m
2026-06-24 BAW5E - Jun 24, 15:44 UTCJun 25, 00:19 UTC8h 35m
2026-06-24 BAW18A JFK → LHR Jun 24, 03:29 UTCJun 24, 09:29 UTC6h 0m
2026-06-23 BAW37J LHR → JFK Jun 23, 16:50 UTCJun 23, 23:55 UTC7h 5m
2026-06-23 BAW34N - Jun 23, 03:04 UTCJun 23, 10:55 UTC7h 50m
2026-06-22 BAW5E - Jun 22, 15:05 UTCJun 23, 00:00 UTC8h 55m
2026-06-21 BAW49N - Jun 21, 01:39 UTCJun 21, 07:49 UTC6h 10m
2026-06-20 BAW189 - Jun 20, 16:14 UTCJun 20, 23:10 UTC6h 55m
2026-06-19 BAW4EA - Jun 19, 20:40 UTCJun 20, 05:29 UTC8h 50m
2026-06-19 BAW5WB LHR → SEA Jun 19, 09:14 UTCJun 19, 18:09 UTC8h 55m
2026-06-18 BAW75X - Jun 18, 11:30 UTCJun 19, 04:04 UTC16h 34m
2026-06-18 BAW49N EWR → LHR Jun 18, 01:50 UTCJun 18, 08:10 UTC6h 20m
2026-06-17 BAW189 - Jun 17, 16:05 UTCJun 17, 23:25 UTC7h 20m
2026-06-17 BAW49N - Jun 17, 01:40 UTCJun 17, 07:50 UTC6h 10m
2026-06-16 BAW189 - Jun 16, 16:00 UTCJun 16, 22:55 UTC6h 56m
2026-06-15 BAW4EA - Jun 15, 21:14 UTCJun 16, 06:04 UTC8h 50m
2026-06-15 BAW5WB LHR → SEA Jun 15, 09:15 UTCJun 15, 18:04 UTC8h 50m
2026-06-14 BAW74X - Jun 14, 11:35 UTCJun 15, 04:25 UTC16h 49m
2026-06-13 BAW4EA - Jun 13, 20:45 UTCJun 14, 05:20 UTC8h 35m

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

Mode-S 4080BF frequently asked

What is Mode-S code 4080BF?
4080BF is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-ZBLK.
Where is Mode-S 4080BF registered?
Mode-S code 4080BF 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 4080BF broadcasting right now?
No active broadcast right now. Last signal was 22h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4080BF, octal 20100277, decimal 4,227,263.
What flights does 4080BF operate?
Mode-S 4080BF has broadcast 20 distinct callsigns, including BAW4EA, BAW49N, BAW189, BAW74X, BAW5EA.