Apparatus

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sensors Mode-S transponder

408281

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-ISLP · ATR-72-600

Hex
408281
Octal
20101201
Decimal
4,227,713
Country
GB
Tail
G-ISLP
Type
AT76
Broadcasting now · callsign AUR9LG · 9,200 ft
Flights observed
637
Distinct callsigns
20
Country
GB
Last broadcast
1h ago

Current position

408281 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 408281 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
AUR9LG - 40 2026-07-10
AUR8LG - 40 2026-07-14
AUR44D Aurigny Air Services 35 2026-06-15
AUR605Y - 32 2026-07-14
AUR604A - 31 2026-07-14
AUR601Y - 31 2026-07-14
AUR600A - 30 2026-07-14
AUR43D - 23 2026-07-14
AUR42D - 23 2026-07-14
AUR611Y - 22 2026-07-03
AUR50H - 22 2026-07-10
AUR70B - 21 2026-07-05
AUR610A - 21 2026-07-03
AUR51H - 21 2026-07-10
AUR71B - 19 2026-07-03
AUR607Y - 18 2026-07-03
AUR606A - 18 2026-07-03
AUR56H - 17 2026-07-11
AUR3LG - 17 2026-07-10
AUR2LG - 16 2026-07-10

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 AUR8LG - Jul 14, 16:00 UTCJul 14, 16:15 UTC15m
2026-07-14 AUR43D BRS → GCI Jul 14, 14:25 UTCJul 14, 15:10 UTC45m
2026-07-14 AUR42D - Jul 14, 13:00 UTCJul 14, 13:40 UTC40m
2026-07-14 AUR605Y - Jul 14, 11:55 UTCJul 14, 12:05 UTC10m
2026-07-14 AUR605Y - Jul 14, 11:20 UTCJul 14, 11:50 UTC30m
2026-07-14 AUR604A GCI → LGW Jul 14, 09:20 UTCJul 14, 10:05 UTC45m
2026-07-14 AUR601Y LGW → GCI Jul 14, 07:55 UTCJul 14, 08:45 UTC50m
2026-07-14 AUR600A GCI → LGW Jul 14, 05:55 UTCJul 14, 06:40 UTC45m
2026-07-13 AUR59H SOU → GCI Jul 13, 20:20 UTCJul 13, 20:55 UTC35m
2026-07-13 AUR58H GCI → SOU Jul 13, 18:55 UTCJul 13, 19:25 UTC30m
2026-07-13 AUR43D BRS → GCI Jul 13, 16:35 UTCJul 13, 17:20 UTC45m
2026-07-13 AUR42D - Jul 13, 14:55 UTCJul 13, 15:40 UTC45m
2026-07-13 AUR2679 MAN → GCI Jul 13, 12:45 UTCJul 13, 14:00 UTC1h 15m
2026-07-12 AUR78B GCI → MAN Jul 12, 16:05 UTCJul 12, 17:20 UTC1h 15m
2026-07-12 AUR621 LGW → GCI Jul 12, 14:20 UTCJul 12, 15:10 UTC50m
2026-07-12 AUR620 - Jul 12, 12:30 UTCJul 12, 13:15 UTC45m
2026-07-11 AUR79B MAN → GCI Jul 11, 18:50 UTCJul 11, 20:00 UTC1h 10m
2026-07-11 AUR78B GCI → MAN Jul 11, 16:20 UTCJul 11, 17:50 UTC1h 30m
2026-07-11 AUR57H SOU → GCI Jul 11, 14:45 UTCJul 11, 15:20 UTC35m
2026-07-11 AUR56H GCI → SOU Jul 11, 13:15 UTCJul 11, 13:45 UTC30m
2026-07-11 AUR605Y LGW → GCI Jul 11, 11:25 UTCJul 11, 12:10 UTC45m
2026-07-11 AUR604A GCI → LGW Jul 11, 09:40 UTCJul 11, 10:30 UTC50m
2026-07-11 AUR601Y LGW → GCI Jul 11, 08:05 UTCJul 11, 08:50 UTC45m
2026-07-11 AUR600A GCI → LGW Jul 11, 06:01 UTCJul 11, 06:55 UTC55m
2026-07-10 AUR9LG LGW → GCI Jul 10, 18:40 UTCJul 10, 19:25 UTC45m
2026-07-10 AUR8LG GCI → LGW Jul 10, 16:30 UTCJul 10, 17:25 UTC55m
2026-07-10 AUR7BM - Jul 10, 14:45 UTCJul 10, 15:40 UTC55m
2026-07-10 AUR6BM GCI → BHX Jul 10, 11:50 UTCJul 10, 12:50 UTC1h 0m
2026-07-10 AUR3LG LGW → GCI Jul 10, 10:25 UTCJul 10, 11:10 UTC45m
2026-07-10 AUR2LG GCI → LGW Jul 10, 08:35 UTCJul 10, 09:20 UTC45m
2026-07-10 AUR51H SOU → GCI Jul 10, 07:05 UTCJul 10, 07:40 UTC35m
2026-07-10 AUR50H GCI → SOU Jul 10, 05:50 UTCJul 10, 06:15 UTC25m
2026-07-09 AUR9LG LGW → GCI Jul 9, 18:50 UTCJul 9, 19:35 UTC45m
2026-07-09 AUR8LG GCI → LGW Jul 9, 17:10 UTCJul 9, 17:55 UTC45m
2026-07-09 AUR9BM - Jul 9, 15:25 UTCJul 9, 16:20 UTC55m
2026-07-09 AUR8BM GCI → BHX Jul 9, 13:15 UTCJul 9, 14:15 UTC1h 0m
2026-07-09 AUR3LG LGW → GCI Jul 9, 10:05 UTCJul 9, 10:50 UTC45m
2026-07-09 AUR2LG GCI → LGW Jul 9, 08:25 UTCJul 9, 09:10 UTC45m
2026-07-09 AUR51H SOU → GCI Jul 9, 06:55 UTCJul 9, 07:30 UTC35m
2026-07-09 AUR50H GCI → SOU Jul 9, 05:45 UTCJul 9, 06:15 UTC30m
2026-07-08 AUR9LG LGW → GCI Jul 8, 17:35 UTCJul 8, 18:15 UTC40m
2026-07-08 AUR8LG GCI → LGW Jul 8, 15:55 UTCJul 8, 16:50 UTC55m
2026-07-08 AUR43D BRS → GCI Jul 8, 14:25 UTCJul 8, 15:10 UTC45m
2026-07-08 AUR42D GCI → BRS Jul 8, 12:50 UTCJul 8, 13:35 UTC45m
2026-07-07 AUR9LG LGW → GCI Jul 7, 17:35 UTCJul 7, 18:20 UTC45m
2026-07-07 AUR8LG GCI → LGW Jul 7, 15:55 UTCJul 7, 16:45 UTC50m
2026-07-07 AUR43D BRS → GCI Jul 7, 14:25 UTCJul 7, 15:10 UTC45m
2026-07-07 AUR42D GCI → BRS Jul 7, 12:45 UTCJul 7, 13:30 UTC45m
2026-07-07 AUR605Y LGW → GCI Jul 7, 11:15 UTCJul 7, 11:55 UTC40m
2026-07-07 AUR604A GCI → LGW Jul 7, 09:25 UTCJul 7, 10:15 UTC50m

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

Mode-S 408281 frequently asked

What is Mode-S code 408281?
408281 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-ISLP.
Where is Mode-S 408281 registered?
Mode-S code 408281 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 408281 broadcasting right now?
Yes. Mode-S 408281 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 408281, octal 20101201, decimal 4,227,713.
What flights does 408281 operate?
Mode-S 408281 has broadcast 20 distinct callsigns, including AUR9LG, AUR8LG, AUR44D, AUR605Y, AUR604A.