Apparatus

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sensors Mode-S transponder

408166

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-PAMH · PILATUS PC-24

Hex
408166
Octal
20100546
Decimal
4,227,430
Country
GB
Tail
G-PAMH
Type
PC24
No current signal · last broadcast 16h ago
Flights observed
119
Distinct callsigns
1
Country
GB
Last broadcast
16h ago

Last known position

Most recent position reported by Mode-S 408166.

Country allocation

The ICAO 24-bit address 408166 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 1 distinct

Callsign Airline Flights Last seen
LJC9 - 119 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 LJC9 - Jul 13, 14:00 UTCJul 13, 17:05 UTC3h 5m
2026-07-13 LJC9 - Jul 13, 09:20 UTCJul 13, 12:10 UTC2h 50m
2026-07-08 LJC9 - Jul 8, 12:20 UTCJul 8, 12:50 UTC30m
2026-07-08 LJC9 - Jul 8, 09:40 UTCJul 8, 11:15 UTC1h 35m
2026-07-07 LJC9 - Jul 7, 07:30 UTCJul 7, 09:15 UTC1h 45m
2026-07-06 LJC9 - Jul 6, 16:00 UTCJul 6, 16:35 UTC35m
2026-07-05 LJC9 - Jul 5, 11:15 UTCJul 5, 12:30 UTC1h 15m
2026-07-05 LJC9 - Jul 5, 09:15 UTCJul 5, 10:20 UTC1h 5m
2026-07-03 LJC9 - Jul 3, 16:40 UTCJul 3, 19:35 UTC2h 55m
2026-07-03 LJC9 - Jul 3, 12:25 UTCJul 3, 15:15 UTC2h 50m
2026-07-03 LJC9 BQH → OXF Jul 3, 11:15 UTCJul 3, 11:55 UTC40m
2026-06-28 LJC9 - Jun 28, 18:40 UTCJun 28, 19:09 UTC30m
2026-06-28 LJC9 - Jun 28, 17:19 UTCJun 28, 18:14 UTC55m
2026-06-26 LJC9 - Jun 26, 11:24 UTCJun 26, 12:24 UTC1h 0m
2026-06-25 LJC9 - Jun 25, 18:24 UTCJun 25, 18:50 UTC25m
2026-06-25 LJC9 MAN → FAB Jun 25, 17:05 UTCJun 25, 17:39 UTC35m
2026-06-25 LJC9 - Jun 25, 15:20 UTCJun 25, 15:44 UTC25m
2026-06-24 LJC9 - Jun 24, 15:14 UTCJun 24, 15:44 UTC30m
2026-06-24 LJC9 - Jun 24, 13:34 UTCJun 24, 14:15 UTC40m
2026-06-24 LJC9 - Jun 24, 12:30 UTCJun 24, 13:10 UTC40m
2026-06-24 LJC9 - Jun 24, 10:45 UTCJun 24, 11:45 UTC1h 0m
2026-06-24 LJC9 - Jun 24, 08:35 UTCJun 24, 09:39 UTC1h 5m
2026-06-23 LJC9 - Jun 23, 17:54 UTCJun 23, 19:44 UTC1h 50m
2026-06-22 LJC9 - Jun 22, 07:10 UTCJun 22, 08:04 UTC55m
2026-06-22 LJC9 - Jun 22, 06:10 UTCJun 22, 07:04 UTC55m
2026-06-20 LJC9 - Jun 20, 14:39 UTCJun 20, 15:29 UTC50m
2026-06-20 LJC9 - Jun 20, 10:34 UTCJun 20, 10:55 UTC20m
2026-06-20 LJC9 - Jun 20, 08:59 UTCJun 20, 10:04 UTC1h 5m
2026-06-20 LJC9 - Jun 20, 07:19 UTCJun 20, 07:39 UTC20m
2026-06-18 LJC9 - Jun 18, 16:40 UTCJun 18, 18:05 UTC1h 25m
2026-06-18 LJC9 - Jun 18, 08:15 UTCJun 18, 09:55 UTC1h 40m
2026-06-12 LJC9 - Jun 12, 11:25 UTCJun 12, 15:00 UTC3h 35m
2026-06-12 LJC9 BOH → EFL Jun 12, 06:55 UTCJun 12, 10:30 UTC3h 35m
2026-06-11 LJC9 - Jun 11, 14:35 UTCJun 11, 16:45 UTC2h 10m
2026-06-11 LJC9 - Jun 11, 10:05 UTCJun 11, 11:00 UTC55m
2026-06-11 LJC9 - Jun 11, 08:15 UTCJun 11, 09:15 UTC1h 0m
2026-06-10 LJC9 - Jun 10, 14:40 UTCJun 10, 15:00 UTC20m
2026-06-10 LJC9 - Jun 10, 12:40 UTCJun 10, 12:55 UTC15m
2026-06-10 LJC9 - Jun 10, 10:25 UTCJun 10, 12:35 UTC2h 10m
2026-06-09 LJC9 - Jun 9, 18:00 UTCJun 9, 20:35 UTC2h 35m
2026-06-07 LJC9 - Jun 7, 11:20 UTCJun 7, 12:15 UTC55m
2026-06-07 LJC9 - Jun 7, 08:00 UTCJun 7, 10:45 UTC2h 45m
2026-06-07 LJC9 - Jun 7, 05:55 UTCJun 7, 07:00 UTC1h 5m
2026-06-05 LJC9 - Jun 5, 14:15 UTCJun 5, 14:45 UTC30m
2026-06-05 LJC9 - Jun 5, 10:35 UTCJun 5, 11:40 UTC1h 5m
2026-06-05 LJC9 - Jun 5, 07:35 UTCJun 5, 08:25 UTC50m
2026-06-04 LJC9 - Jun 4, 17:00 UTCJun 4, 17:25 UTC25m
2026-06-04 LJC9 LPL → BOH Jun 4, 15:55 UTCJun 4, 16:30 UTC35m
2026-06-04 LJC9 - Jun 4, 11:00 UTCJun 4, 12:35 UTC1h 35m
2026-06-04 LJC9 - Jun 4, 08:35 UTCJun 4, 09:55 UTC1h 20m

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

Mode-S 408166 frequently asked

What is Mode-S code 408166?
408166 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-PAMH.
Where is Mode-S 408166 registered?
Mode-S code 408166 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 408166 broadcasting right now?
No active broadcast right now. Last signal was 16h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 408166, octal 20100546, decimal 4,227,430.
What flights does 408166 operate?
Mode-S 408166 has broadcast 1 distinct callsign, including LJC9.