Apparatus

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sensors Mode-S transponder

4D0285

ICAO 24-bit transponder address · allocated to Luxembourg

Currently assigned to LX-TWO · LEARJET 45

Hex
4D0285
Octal
23201205
Decimal
5,046,917
Country
LU
Tail
LX-TWO
Type
LJ45
No current signal · last broadcast 12h ago
Flights observed
61
Distinct callsigns
18
Country
LU
Last broadcast
12h ago

Last known position

Most recent position reported by Mode-S 4D0285.

Country allocation

The ICAO 24-bit address 4D0285 falls within the block assigned to Luxembourg (LU) by ICAO Annex 10, Volume III. Every aircraft registered in Luxembourg 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 18 distinct

Callsign Airline Flights Last seen
LRQ224D - 5 2026-06-02
LRQ150K - 5 2026-04-15
LRQ200K - 4 2026-05-16
LRQ193C - 4 2026-05-12
LRQ172B - 4 2026-04-28
LRQ153C - 4 2026-04-17
LRQ151A - 4 2026-04-17
LRQ149J - 4 2026-04-13
LRQ147G - 4 2026-04-14
LRQ208H - 3 2026-05-21
LRQ202B - 3 2026-05-17
LRQ195E - 3 2026-05-13
LRQ188H - 3 2026-05-09
LRQ160K - 3 2026-04-21
LRQ152B - 3 2026-04-16
LRQ173C - 2 2026-04-29
LRQ164D - 2 2026-04-22
LRQ184D - 1 2026-05-08

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-02 LRQ224D UIP → LUX Jun 2, 14:15 UTCJun 2, 15:25 UTC1h 10m
2026-06-02 LRQ224D - Jun 2, 10:10 UTCJun 2, 12:50 UTC2h 40m
2026-06-02 LRQ224D - Jun 2, 06:50 UTCJun 2, 08:55 UTC2h 5m
2026-06-01 LRQ224D - Jun 1, 12:15 UTCJun 2, 08:55 UTC20h 40m
2026-06-01 LRQ224D - Jun 1, 08:35 UTCJun 1, 11:25 UTC2h 50m
2026-05-21 LRQ208H NCE → LUX May 21, 14:30 UTCMay 21, 15:35 UTC1h 5m
2026-05-21 LRQ208H - May 21, 10:00 UTCMay 21, 11:45 UTC1h 45m
2026-05-21 LRQ208H - May 21, 06:10 UTCMay 21, 08:25 UTC2h 15m
2026-05-17 LRQ202B - May 17, 03:25 UTCMay 17, 05:50 UTC2h 25m
2026-05-16 LRQ202B - May 16, 21:15 UTCMay 16, 22:20 UTC1h 5m
2026-05-16 LRQ202B LUX → MRS May 16, 19:40 UTCMay 16, 20:50 UTC1h 10m
2026-05-16 LRQ200K NCE → LUX May 16, 07:31 UTCMay 16, 08:41 UTC1h 10m
2026-05-16 LRQ200K - May 16, 06:16 UTCMay 16, 07:01 UTC45m
2026-05-15 LRQ200K - May 15, 21:30 UTCMay 15, 22:15 UTC45m
2026-05-15 LRQ200K LUX → NCE May 15, 20:10 UTCMay 15, 21:10 UTC1h 0m
2026-05-13 LRQ195E TLS → LUX May 13, 17:20 UTCMay 13, 18:35 UTC1h 15m
2026-05-13 LRQ195E - May 13, 15:35 UTCMay 13, 16:20 UTC45m
2026-05-13 LRQ195E TLS → NCE May 13, 11:00 UTCMay 13, 11:55 UTC55m
2026-05-12 LRQ193C BOD → LUX May 12, 11:55 UTCMay 12, 13:10 UTC1h 15m
2026-05-12 LRQ193C - May 12, 11:05 UTCMay 12, 11:35 UTC30m
2026-05-12 LRQ193C - May 12, 08:10 UTCMay 12, 08:45 UTC35m
2026-05-12 LRQ193C LUX → BOD May 12, 06:30 UTCMay 12, 07:40 UTC1h 10m
2026-05-09 LRQ188H - May 9, 20:25 UTCMay 9, 20:49 UTC25m
2026-05-09 LRQ188H - May 9, 19:10 UTCMay 9, 19:49 UTC40m
2026-05-09 LRQ188H - May 9, 13:50 UTCMay 9, 14:10 UTC20m
2026-05-08 LRQ184D - May 8, 08:24 UTCMay 8, 10:49 UTC2h 25m
2026-04-29 LRQ173C - Apr 29, 03:10 UTCApr 29, 03:45 UTC35m
2026-04-29 LRQ173C LUX → LYS Apr 29, 01:15 UTCApr 29, 02:35 UTC1h 20m
2026-04-28 LRQ172B - Apr 28, 08:15 UTCApr 28, 09:25 UTC1h 10m
2026-04-28 LRQ172B - Apr 28, 07:15 UTCApr 28, 07:55 UTC40m
2026-04-28 LRQ172B - Apr 28, 03:10 UTCApr 28, 03:40 UTC30m
2026-04-28 LRQ172B LUX → TLS Apr 28, 01:20 UTCApr 28, 02:35 UTC1h 15m
2026-04-22 LRQ164D - Apr 22, 12:50 UTCApr 22, 14:00 UTC1h 10m
2026-04-22 LRQ164D - Apr 22, 11:20 UTCApr 22, 12:35 UTC1h 15m
2026-04-21 LRQ160K - Apr 21, 16:50 UTCApr 21, 17:35 UTC45m
2026-04-21 LRQ160K - Apr 21, 11:30 UTCApr 21, 12:45 UTC1h 15m
2026-04-21 LRQ160K - Apr 21, 07:10 UTCApr 21, 07:55 UTC45m
2026-04-17 LRQ151A - Apr 17, 09:20 UTCApr 17, 10:20 UTC1h 0m
2026-04-17 LRQ151A - Apr 17, 07:50 UTCApr 17, 09:15 UTC1h 25m
2026-04-17 LRQ151A - Apr 17, 05:20 UTCApr 17, 06:10 UTC50m
2026-04-17 LRQ151A - Apr 17, 04:15 UTCApr 17, 05:15 UTC1h 1m
2026-04-17 LRQ153C - Apr 17, 00:40 UTCApr 17, 01:04 UTC25m
2026-04-16 LRQ153C LPL → FRA Apr 16, 19:30 UTCApr 16, 20:40 UTC1h 10m
2026-04-16 LRQ153C - Apr 16, 17:15 UTCApr 16, 17:40 UTC25m
2026-04-16 LRQ153C - Apr 16, 16:25 UTCApr 16, 17:10 UTC45m
2026-04-16 LRQ152B - Apr 16, 13:50 UTCApr 16, 14:40 UTC50m
2026-04-16 LRQ152B - Apr 16, 12:24 UTCApr 16, 13:05 UTC40m
2026-04-16 LRQ152B - Apr 16, 09:29 UTCApr 16, 10:29 UTC1h 0m
2026-04-15 LRQ150K - Apr 15, 16:35 UTCApr 15, 17:00 UTC25m
2026-04-15 LRQ150K - Apr 15, 15:05 UTCApr 15, 15:20 UTC15m

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 LX-TWO page for operator, model, and routing details .

Mode-S 4D0285 frequently asked

What is Mode-S code 4D0285?
4D0285 is an ICAO 24-bit transponder address. Allocated to Luxembourg. Assigned to LX-TWO.
Where is Mode-S 4D0285 registered?
Mode-S code 4D0285 is allocated to Luxembourg (LU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4D0285 broadcasting right now?
No active broadcast right now. Last signal was 12h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4D0285, octal 23201205, decimal 5,046,917.
What flights does 4D0285 operate?
Mode-S 4D0285 has broadcast 18 distinct callsigns, including LRQ224D, LRQ150K, LRQ200K, LRQ193C, LRQ172B.