Apparatus

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sensors Mode-S transponder

4D00F4

ICAO 24-bit transponder address · allocated to Luxembourg

Currently assigned to LX-LBA · BOEING 737-800

Hex
4D00F4
Octal
23200364
Decimal
5,046,516
Country
LU
Tail
LX-LBA
Type
B738
No current signal · last broadcast Jul 26, 21:00 UTC
Flights observed
424
Distinct callsigns
20
Country
LU
Last broadcast
Jul 26, 21:00 UTC

Last known position

Most recent position reported by Mode-S 4D00F4.

Country allocation

The ICAO 24-bit address 4D00F4 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 20 distinct

Callsign Airline Flights Last seen
LGL32PR Luxair 14 2026-07-26
LGL31PT Luxair 14 2026-07-26
LGL3770 Luxair 12 2026-07-23
LGL3769 Luxair 12 2026-07-23
LGL6EP - 8 2026-07-18
LGL38MA - 8 2026-07-14
LGL961 Luxair 7 2026-07-22
LGL703 Luxair 7 2026-07-22
LGL204 - 7 2026-06-23
LGL202 Luxair 7 2026-07-20
LGL922 - 6 2026-07-07
LGL86GR - 6 2026-06-25
LGL7M - 6 2026-07-20
LGL733 - 6 2026-07-16
LGL704 Luxair 6 2026-07-22
LGL6MR - 6 2026-07-18
LGL6EA - 6 2026-07-18
LGL2G Luxair 6 2026-06-30
LGL21PM - 6 2026-07-18
LGL1E - 6 2026-06-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 LGL32PR OPO → LUX Jul 26, 18:55 UTCJul 26, 21:00 UTC2h 5m
2026-07-26 LGL31PT LUX → OPO Jul 26, 15:20 UTCJul 26, 17:15 UTC1h 55m
2026-07-26 LGL742 ACE → LUX Jul 26, 10:30 UTCJul 26, 13:25 UTC2h 55m
2026-07-26 LGL741 LUX → ACE Jul 26, 04:25 UTCJul 26, 07:45 UTC3h 21m
2026-07-25 LGL214 HRG → LUX Jul 25, 09:15 UTCJul 25, 19:40 UTC10h 25m
2026-07-25 LGL278 AJA → LUX Jul 25, 06:45 UTCJul 25, 08:05 UTC1h 20m
2026-07-25 LGL277 LUX → AJA Jul 25, 04:10 UTCJul 25, 05:35 UTC1h 25m
2026-07-24 LGL84BG BOJ → LUX Jul 24, 18:10 UTCJul 24, 20:50 UTC2h 40m
2026-07-24 LGL813 LUX → BOJ Jul 24, 14:30 UTCJul 24, 16:50 UTC2h 20m
2026-07-24 LGL84BR OTP → LUX Jul 24, 07:40 UTCJul 24, 10:10 UTC2h 30m
2026-07-24 LGL3RU LUX → OTP Jul 24, 04:25 UTCJul 24, 06:35 UTC2h 10m
2026-07-23 LGL556R - Jul 23, 21:15 UTCJul 23, 22:50 UTC1h 35m
2026-07-23 LGL65R LUX → FCO Jul 23, 18:30 UTCJul 23, 19:45 UTC1h 15m
2026-07-23 LGL3786 OPO → LUX Jul 23, 14:55 UTCJul 23, 17:05 UTC2h 10m
2026-07-23 LGL3785 LUX → OPO Jul 23, 11:15 UTCJul 23, 13:20 UTC2h 5m
2026-07-23 LGL3770 OPO → LUX Jul 23, 07:45 UTCJul 23, 09:55 UTC2h 10m
2026-07-23 LGL3769 LUX → OPO Jul 23, 04:25 UTCJul 23, 06:40 UTC2h 15m
2026-07-22 LGL704 LPA → LUX Jul 22, 16:55 UTCJul 22, 20:25 UTC3h 30m
2026-07-22 LGL703 LUX → LPA Jul 22, 11:20 UTCJul 22, 15:20 UTC4h 0m
2026-07-22 LGL961 LUX → NBE Jul 22, 04:25 UTCJul 22, 05:25 UTC1h 0m
2026-07-21 LGL142 RMF → LUX Jul 21, 09:55 UTCJul 21, 20:45 UTC10h 50m
2026-07-21 LGL278 AJA → LUX Jul 21, 07:15 UTCJul 21, 08:35 UTC1h 20m
2026-07-21 LGL277 LUX → AJA Jul 21, 04:45 UTCJul 21, 06:00 UTC1h 15m
2026-07-20 LGL202 DJE → LUX Jul 20, 18:35 UTCJul 20, 20:55 UTC2h 20m
2026-07-20 LGL201 LUX → DJE Jul 20, 14:35 UTCJul 20, 16:35 UTC2h 0m
2026-07-20 LGL7F FNC → LUX Jul 20, 09:05 UTCJul 20, 12:20 UTC3h 15m
2026-07-20 LGL7M - Jul 20, 04:20 UTCJul 20, 08:10 UTC3h 50m
2026-07-19 LGL32PR OPO → LUX Jul 19, 18:55 UTCJul 19, 21:00 UTC2h 5m
2026-07-19 LGL31PT LUX → OPO Jul 19, 15:30 UTCJul 19, 17:40 UTC2h 10m
2026-07-19 LGL640 LEI → AGP Jul 19, 10:55 UTCJul 19, 13:05 UTC2h 10m
2026-07-19 LGL640 LEI → AGP Jul 19, 09:00 UTCJul 19, 09:35 UTC35m
2026-07-19 LGL639 LUX → LEI Jul 19, 05:40 UTCJul 19, 08:05 UTC2h 25m
2026-07-18 LGL62EM - Jul 18, 20:45 UTCJul 18, 22:30 UTC1h 45m
2026-07-18 LGL69M LUX → PMI Jul 18, 17:15 UTCJul 18, 19:05 UTC1h 50m
2026-07-18 LGL6EA - Jul 18, 14:15 UTCJul 18, 16:05 UTC1h 50m
2026-07-18 LGL21PM - Jul 18, 10:05 UTCJul 18, 11:45 UTC1h 40m
2026-07-18 LGL6MR - Jul 18, 07:05 UTCJul 18, 08:55 UTC1h 50m
2026-07-18 LGL6EP - Jul 18, 04:05 UTCJul 18, 05:55 UTC1h 50m
2026-07-17 LGL202 - Jul 17, 14:15 UTCJul 17, 20:35 UTC6h 20m
2026-07-16 LGL944 - Jul 16, 19:14 UTCJul 16, 21:15 UTC2h 0m
2026-07-16 LGL943 - Jul 16, 14:40 UTCJul 16, 17:05 UTC2h 25m
2026-07-16 LGL734 - Jul 16, 09:35 UTCJul 16, 13:05 UTC3h 30m
2026-07-16 LGL733 - Jul 16, 04:05 UTCJul 16, 07:55 UTC3h 50m
2026-07-15 LGL834 - Jul 15, 17:10 UTCJul 15, 20:50 UTC3h 40m
2026-07-15 LGL833 - Jul 15, 12:30 UTCJul 15, 15:35 UTC3h 5m
2026-07-15 LGL3770 OPO → LUX Jul 15, 08:05 UTCJul 15, 10:05 UTC2h 0m
2026-07-15 LGL3769 - Jul 15, 04:20 UTCJul 15, 06:40 UTC2h 20m
2026-07-14 LGL826 - Jul 14, 18:05 UTCJul 14, 20:50 UTC2h 45m
2026-07-14 LGL825 - Jul 14, 14:40 UTCJul 14, 16:50 UTC2h 10m
2026-07-14 LGL38MA - Jul 14, 10:05 UTCJul 14, 12:15 UTC2h 10m

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

Mode-S 4D00F4 frequently asked

What is Mode-S code 4D00F4?
4D00F4 is an ICAO 24-bit transponder address. Allocated to Luxembourg. Assigned to LX-LBA.
Where is Mode-S 4D00F4 registered?
Mode-S code 4D00F4 is allocated to Luxembourg (LU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4D00F4 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4D00F4, octal 23200364, decimal 5,046,516.
What flights does 4D00F4 operate?
Mode-S 4D00F4 has broadcast 20 distinct callsigns, including LGL32PR, LGL31PT, LGL3770, LGL3769, LGL6EP.