Apparatus

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sensors Mode-S transponder

424507

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to VQ-BLU · EMBRAER ERJ-170-100

Hex
424507
Octal
20442407
Decimal
4,343,047
Country
GB
Tail
VQ-BLU
Type
E170
No current signal · last broadcast 1d ago
Flights observed
143
Distinct callsigns
17
Country
GB
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 424507.

Country allocation

The ICAO 24-bit address 424507 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 17 distinct

Callsign Airline Flights Last seen
BMA240 - 17 2026-07-11
BMA241 - 16 2026-07-11
BMA552 bmi 13 2026-06-25
BMA551 - 13 2026-07-02
BMA224 - 13 2026-07-12
BMA223 - 13 2026-07-12
BMA802 bmi 12 2026-06-19
BMA801 bmi 10 2026-06-01
BMA751 bmi 6 2026-06-09
BMA413 bmi 6 2026-06-11
BMA752 bmi 5 2026-06-09
BMA414 bmi 5 2026-06-11
BMA301 - 4 2026-07-09
BMA604 - 3 2026-07-10
BMA603 - 3 2026-07-09
BMA302 bmi 3 2026-05-05
BMA901P - 1 2026-06-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-12 BMA224 - Jul 12, 22:40 UTCJul 12, 23:15 UTC35m
2026-07-12 BMA223 - Jul 12, 20:25 UTCJul 12, 21:10 UTC45m
2026-07-11 BMA241 - Jul 11, 19:10 UTCJul 11, 19:50 UTC40m
2026-07-11 BMA240 - Jul 11, 13:40 UTCJul 11, 14:35 UTC55m
2026-07-10 BMA240 - Jul 10, 18:45 UTCJul 11, 14:35 UTC19h 50m
2026-07-10 BMA604 - Jul 10, 11:40 UTCJul 10, 17:15 UTC5h 35m
2026-07-09 BMA603 BOS → YYZ Jul 9, 14:55 UTCJul 10, 00:25 UTC9h 30m
2026-07-09 BMA301 - Jul 9, 12:40 UTCJul 9, 13:25 UTC45m
2026-07-05 BMA224 - Jul 5, 23:15 UTCJul 5, 23:55 UTC40m
2026-07-05 BMA223 - Jul 5, 20:45 UTCJul 5, 21:15 UTC30m
2026-07-05 BMA223 - Jul 5, 20:20 UTCJul 5, 20:40 UTC20m
2026-07-02 BMA224 - Jul 2, 23:50 UTCJul 3, 00:30 UTC40m
2026-07-02 BMA223 - Jul 2, 15:15 UTCJul 2, 21:00 UTC5h 45m
2026-07-02 BMA551 - Jul 2, 12:45 UTCJul 2, 13:40 UTC55m
2026-06-25 BMA552 BWI → BDA Jun 25, 15:29 UTCJun 25, 15:59 UTC30m
2026-06-25 BMA551 BDA → BWI Jun 25, 13:24 UTCJun 25, 14:14 UTC50m
2026-06-24 BMA551 BDA → BWI Jun 24, 18:34 UTCJun 25, 14:14 UTC19h 40m
2026-06-24 BMA604 - Jun 24, 11:34 UTCJun 24, 16:59 UTC5h 25m
2026-06-23 BMA603 - Jun 23, 23:19 UTCJun 24, 00:40 UTC1h 20m
2026-06-22 BMA241 EWR → BDA Jun 22, 16:10 UTCJun 22, 16:40 UTC30m
2026-06-21 BMA240 BDA → EWR Jun 21, 23:05 UTCJun 22, 13:54 UTC14h 50m
2026-06-21 BMA223 BDA → HPN Jun 21, 20:45 UTCJun 21, 21:19 UTC35m
2026-06-20 BMA241 EWR → BDA Jun 20, 16:39 UTCJun 20, 17:10 UTC30m
2026-06-19 BMA802 YHZ → BDA Jun 19, 18:34 UTCJun 20, 13:44 UTC19h 10m
2026-06-19 BMA604 - Jun 19, 11:30 UTCJun 19, 17:09 UTC5h 40m
2026-06-18 BMA603 BDA → YYZ Jun 18, 23:20 UTCJun 19, 00:45 UTC1h 24m
2026-06-18 BMA552 BWI → BDA Jun 18, 17:25 UTCJun 18, 17:35 UTC10m
2026-06-18 BMA552 BWI → BDA Jun 18, 15:45 UTCJun 18, 16:20 UTC35m
2026-06-18 BMA551 BDA → BWI Jun 18, 13:05 UTCJun 18, 13:55 UTC50m
2026-06-18 BMA551 BDA → BWI Jun 18, 11:50 UTCJun 18, 11:55 UTC5m
2026-06-17 BMA224 HPN → BDA Jun 17, 15:35 UTCJun 17, 16:10 UTC35m
2026-06-17 BMA901P - Jun 17, 13:35 UTCJun 17, 14:20 UTC45m
2026-06-15 BMA241 EWR → BDA Jun 15, 17:25 UTCJun 15, 17:54 UTC30m
2026-06-15 BMA240 BDA → EWR Jun 15, 15:04 UTCJun 15, 15:50 UTC45m
2026-06-13 BMA241 EWR → BDA Jun 13, 16:35 UTCJun 13, 17:05 UTC30m
2026-06-13 BMA240 BDA → EWR Jun 13, 14:25 UTCJun 13, 15:00 UTC35m
2026-06-11 BMA414 YUL → BDA Jun 11, 19:45 UTCJun 11, 20:50 UTC1h 5m
2026-06-11 BMA413 BDA → YUL Jun 11, 16:40 UTCJun 11, 17:50 UTC1h 10m
2026-06-09 BMA752 MCO → BDA Jun 9, 20:25 UTCJun 9, 21:00 UTC35m
2026-06-09 BMA751 BDA → MCO Jun 9, 17:10 UTCJun 9, 17:45 UTC35m
2026-06-08 BMA241 EWR → BDA Jun 8, 15:20 UTCJun 8, 15:55 UTC35m
2026-06-07 BMA240 BDA → EWR Jun 7, 23:35 UTCJun 8, 13:10 UTC13h 35m
2026-06-07 BMA224 HPN → BDA Jun 7, 22:25 UTCJun 7, 22:35 UTC10m
2026-06-07 BMA223 BDA → HPN Jun 7, 20:25 UTCJun 7, 21:05 UTC40m
2026-06-06 BMA241 EWR → BDA Jun 6, 16:30 UTCJun 6, 17:00 UTC30m
2026-06-06 BMA240 BDA → EWR Jun 6, 13:49 UTCJun 6, 14:40 UTC50m
2026-06-05 BMA241 EWR → BDA Jun 5, 15:15 UTCJun 5, 15:45 UTC30m
2026-06-05 BMA240 BDA → EWR Jun 5, 12:40 UTCJun 5, 13:30 UTC50m
2026-06-04 BMA240 BDA → EWR Jun 4, 15:50 UTCJun 5, 13:30 UTC21h 40m
2026-06-04 BMA240 BDA → EWR Jun 4, 15:25 UTCJun 5, 13:30 UTC22h 5m

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 VQ-BLU page for operator, model, and routing details .

Mode-S 424507 frequently asked

What is Mode-S code 424507?
424507 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to VQ-BLU.
Where is Mode-S 424507 registered?
Mode-S code 424507 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 424507 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 424507, octal 20442407, decimal 4,343,047.
What flights does 424507 operate?
Mode-S 424507 has broadcast 17 distinct callsigns, including BMA240, BMA241, BMA552, BMA551, BMA224.