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sensors Mode-S transponder

3CEA41

ICAO 24-bit transponder address · allocated to Germany

Currently assigned to D-CQAB · LEARJET 45

Hex
3CEA41
Octal
17165101
Decimal
3,992,129
Country
DE
Tail
D-CQAB
Type
LJ45
No current signal · last broadcast Jul 26, 12:55 UTC
Flights observed
106
Distinct callsigns
1
Country
DE
Last broadcast
Jul 26, 12:55 UTC

Last known position

Most recent position reported by Mode-S 3CEA41.

Country allocation

The ICAO 24-bit address 3CEA41 falls within the block assigned to Germany (DE) by ICAO Annex 10, Volume III. Every aircraft registered in Germany 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
QAJ2 - 106 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 QAJ2 DTM → CGN Jul 26, 12:40 UTCJul 26, 12:55 UTC15m
2026-07-26 QAJ2 RZE → DTM Jul 26, 10:20 UTCJul 26, 11:50 UTC1h 30m
2026-07-26 QAJ2 CGN → RZE Jul 26, 07:50 UTCJul 26, 09:15 UTC1h 25m
2026-07-24 QAJ2 ZRH → CGN Jul 24, 16:00 UTCJul 24, 16:45 UTC45m
2026-07-24 QAJ2 CGN → ZRH Jul 24, 07:20 UTCJul 24, 13:50 UTC6h 30m
2026-07-22 QAJ2 - Jul 22, 15:50 UTCJul 22, 16:25 UTC35m
2026-07-22 QAJ2 - Jul 22, 13:35 UTCJul 22, 15:00 UTC1h 25m
2026-07-22 QAJ2 - Jul 22, 11:10 UTCJul 22, 11:35 UTC25m
2026-07-21 QAJ2 ARN → CGN Jul 21, 14:05 UTCJul 21, 15:35 UTC1h 30m
2026-07-21 QAJ2 - Jul 21, 09:35 UTCJul 21, 13:05 UTC3h 30m
2026-07-21 QAJ2 CGN → ALC Jul 21, 06:05 UTCJul 21, 08:15 UTC2h 10m
2026-07-18 QAJ2 - Jul 18, 11:45 UTCJul 18, 12:30 UTC45m
2026-07-18 QAJ2 - Jul 18, 08:40 UTCJul 18, 11:10 UTC2h 30m
2026-07-17 QAJ2 - Jul 17, 14:55 UTCJul 17, 16:15 UTC1h 20m
2026-07-17 QAJ2 - Jul 17, 10:55 UTCJul 17, 12:40 UTC1h 45m
2026-07-17 QAJ2 - Jul 17, 08:04 UTCJul 17, 09:15 UTC1h 10m
2026-07-14 QAJ2 - Jul 14, 14:25 UTCJul 14, 15:15 UTC50m
2026-07-14 QAJ2 BGO → BER Jul 14, 12:00 UTCJul 14, 13:25 UTC1h 25m
2026-07-14 QAJ2 CGN → BGO Jul 14, 08:05 UTCJul 14, 09:35 UTC1h 30m
2026-07-13 QAJ2 DTM → CGN Jul 13, 12:50 UTCJul 13, 13:10 UTC20m
2026-07-13 QAJ2 RZE → DTM Jul 13, 10:15 UTCJul 13, 11:40 UTC1h 25m
2026-07-13 QAJ2 - Jul 13, 07:20 UTCJul 13, 08:50 UTC1h 30m
2026-06-21 QAJ2 KSF → CGN Jun 21, 16:04 UTCJun 21, 16:34 UTC30m
2026-06-21 QAJ2 - Jun 21, 13:09 UTCJun 21, 15:25 UTC2h 15m
2026-06-21 QAJ2 - Jun 21, 09:15 UTCJun 21, 11:24 UTC2h 10m
2026-06-20 QAJ2 DTM → CGN Jun 20, 15:04 UTCJun 20, 15:24 UTC20m
2026-06-20 QAJ2 - Jun 20, 13:04 UTCJun 20, 13:59 UTC55m
2026-06-20 QAJ2 CGN → CPH Jun 20, 09:05 UTCJun 20, 09:59 UTC55m
2026-06-18 QAJ2 - Jun 18, 13:05 UTCJun 18, 13:50 UTC45m
2026-06-18 QAJ2 - Jun 18, 10:00 UTCJun 18, 12:20 UTC2h 20m
2026-06-18 QAJ2 - Jun 18, 06:55 UTCJun 18, 08:50 UTC1h 55m
2026-06-17 QAJ2 - Jun 17, 16:45 UTCJun 17, 17:10 UTC25m
2026-06-17 QAJ2 - Jun 17, 10:50 UTCJun 17, 13:25 UTC2h 35m
2026-06-17 QAJ2 - Jun 17, 06:05 UTCJun 17, 07:50 UTC1h 45m
2026-06-16 QAJ2 - Jun 16, 10:30 UTCJun 16, 13:04 UTC2h 35m
2026-06-16 QAJ2 - Jun 16, 07:09 UTCJun 16, 09:34 UTC2h 25m
2026-06-14 QAJ2 - Jun 14, 12:10 UTCJun 14, 14:55 UTC2h 45m
2026-06-14 QAJ2 - Jun 14, 08:20 UTCJun 14, 10:50 UTC2h 30m
2026-06-05 QAJ2 - Jun 5, 12:40 UTCJun 5, 13:00 UTC20m
2026-06-04 QAJ2 - Jun 4, 20:20 UTCJun 4, 23:25 UTC3h 5m
2026-06-04 QAJ2 - Jun 4, 14:40 UTCJun 4, 17:20 UTC2h 40m
2026-06-03 QAJ2 HAM → CGN Jun 3, 12:45 UTCJun 3, 13:25 UTC40m
2026-06-03 QAJ2 ARN → HAM Jun 3, 10:45 UTCJun 3, 12:00 UTC1h 15m
2026-06-03 QAJ2 CGN → ARN Jun 3, 08:00 UTCJun 3, 09:35 UTC1h 35m
2026-05-30 QAJ2 STR → CGN May 30, 19:05 UTCMay 30, 19:35 UTC30m
2026-05-30 QAJ2 - May 30, 16:45 UTCMay 30, 18:25 UTC1h 40m
2026-05-30 QAJ2 - May 30, 12:20 UTCMay 30, 14:05 UTC1h 45m
2026-05-29 QAJ2 - May 29, 17:15 UTCMay 29, 17:50 UTC35m
2026-05-29 QAJ2 DBV → LEJ May 29, 14:55 UTCMay 29, 16:30 UTC1h 35m
2026-05-29 QAJ2 RHO → DBV May 29, 12:00 UTCMay 29, 13:40 UTC1h 40m

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 D-CQAB page for operator, model, and routing details .

Mode-S 3CEA41 frequently asked

What is Mode-S code 3CEA41?
3CEA41 is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-CQAB.
Where is Mode-S 3CEA41 registered?
Mode-S code 3CEA41 is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3CEA41 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 12:55 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3CEA41, octal 17165101, decimal 3,992,129.
What flights does 3CEA41 operate?
Mode-S 3CEA41 has broadcast 1 distinct callsign, including QAJ2.