Apparatus

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sensors Mode-S transponder

3C542D

ICAO 24-bit transponder address · allocated to Germany

Currently assigned to D-AEAM · AIRBUS A-300-600

Hex
3C542D
Octal
17052055
Decimal
3,953,709
Country
DE
Tail
D-AEAM
Type
A306
No current signal · last broadcast Jul 25, 04:20 UTC
Flights observed
204
Distinct callsigns
20
Country
DE
Last broadcast
Jul 25, 04:20 UTC

Last known position

Most recent position reported by Mode-S 3C542D.

Country allocation

The ICAO 24-bit address 3C542D 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 20 distinct

Callsign Airline Flights Last seen
BCS7JG - 9 2026-07-07
BCS8PA European Air Transport 6 2026-07-22
BCS5GU European Air Transport 6 2026-07-22
BCS39G - 6 2026-06-30
BCS62B - 5 2026-06-30
BCS5706 European Air Transport 5 2026-07-23
BCS1443 European Air Transport 5 2026-07-22
BCS10K - 5 2026-06-24
BCS6756 - 4 2026-06-30
BCS6701 - 4 2026-07-01
BCS6700 - 4 2026-07-01
BCS5QC European Air Transport 4 2026-07-24
BCS5NR European Air Transport 4 2026-07-23
BCS5709 European Air Transport 4 2026-07-23
BCS35P - 4 2026-06-30
BCS21G - 4 2026-07-01
BCS202P - 4 2026-07-10
BCS8AA - 3 2026-07-06
BCS6YG European Air Transport 3 2026-07-25
BCS48D - 3 2026-07-06

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 BCS6YG MXP → AOI Jul 25, 02:25 UTCJul 25, 04:05 UTC1h 40m
2026-07-24 BCS2MC DUB → LEJ Jul 24, 20:15 UTCJul 24, 20:50 UTC35m
2026-07-24 BCS5QC EMA → DUB Jul 24, 02:20 UTCJul 24, 02:55 UTC35m
2026-07-23 BCS5NR MXP → AOI Jul 23, 22:05 UTCJul 23, 23:40 UTC1h 35m
2026-07-23 BCS5709 MXP → LEJ Jul 23, 17:05 UTCJul 23, 19:00 UTC1h 55m
2026-07-23 BCS5706 LEJ → OTP Jul 23, 03:15 UTCJul 23, 04:55 UTC1h 40m
2026-07-22 BCS5GU AMS → LEJ Jul 22, 21:40 UTCJul 22, 22:30 UTC50m
2026-07-22 BCS1443 LEJ → LEJ Jul 22, 05:05 UTCJul 22, 05:25 UTC20m
2026-07-22 BCS8PA LEJ → STN Jul 22, 01:25 UTCJul 22, 02:40 UTC1h 15m
2026-07-21 BCS5GU AMS → LEJ Jul 21, 21:30 UTCJul 21, 22:25 UTC55m
2026-07-21 BCS1443 LEJ → LEJ Jul 21, 05:15 UTCJul 21, 05:55 UTC40m
2026-07-21 BCS8PA LEJ → STN Jul 21, 01:30 UTCJul 21, 02:45 UTC1h 15m
2026-07-20 BCS1LG LIS → LEJ Jul 20, 19:05 UTCJul 20, 21:55 UTC2h 50m
2026-07-20 BCS2FC - Jul 20, 03:55 UTCJul 20, 05:05 UTC1h 10m
2026-07-19 BCS73B - Jul 19, 21:20 UTCJul 19, 23:25 UTC2h 5m
2026-07-14 BCS2200 BRU → LEJ Jul 14, 23:45 UTCJul 15, 00:30 UTC45m
2026-07-13 BCS7515 - Jul 13, 21:00 UTCJul 13, 22:20 UTC1h 20m
2026-07-12 BCS7508 LEJ → VBS Jul 12, 23:35 UTCJul 13, 00:35 UTC1h 0m
2026-07-11 BCS963 TLV → LEJ Jul 11, 14:10 UTCJul 11, 17:50 UTC3h 40m
2026-07-11 BCS962 LEJ → TLV Jul 11, 08:20 UTCJul 11, 11:45 UTC3h 25m
2026-07-10 BCS169 CGN → LEJ Jul 10, 23:00 UTCJul 10, 23:35 UTC35m
2026-07-10 BCS202P - Jul 10, 19:25 UTCJul 10, 20:15 UTC50m
2026-07-10 BCS2230 LEJ → STN Jul 10, 03:50 UTCJul 10, 05:10 UTC1h 20m
2026-07-09 BCS55K BCN → LEJ Jul 9, 20:00 UTCJul 9, 22:00 UTC2h 0m
2026-07-09 BCS3LR LEJ → BCN Jul 9, 02:00 UTCJul 9, 03:45 UTC1h 45m
2026-07-08 BCS835 - Jul 8, 19:00 UTCJul 8, 21:25 UTC2h 25m
2026-07-07 BCS7JG - Jul 7, 20:00 UTCJul 7, 20:35 UTC35m
2026-07-07 BCS41E - Jul 7, 01:30 UTCJul 7, 03:20 UTC1h 50m
2026-07-06 BCS8AA MXP → BRU Jul 6, 22:40 UTCJul 6, 23:45 UTC1h 5m
2026-07-06 BCS42M - Jul 6, 18:30 UTCJul 6, 19:45 UTC1h 15m
2026-07-06 BCS48D - Jul 6, 03:00 UTCJul 6, 04:00 UTC1h 0m
2026-07-05 BCS67R LEJ → MXP Jul 5, 22:10 UTCJul 5, 23:15 UTC1h 5m
2026-07-04 BCS48B - Jul 4, 18:50 UTCJul 4, 19:50 UTC1h 0m
2026-07-04 BCS2EV LEJ → CDG Jul 4, 02:45 UTCJul 4, 03:50 UTC1h 5m
2026-07-03 BCS62A - Jul 3, 22:55 UTCJul 3, 23:45 UTC50m
2026-07-03 BCS7EM OPO → OPO Jul 3, 18:45 UTCJul 3, 20:45 UTC2h 0m
2026-07-03 BCS57D - Jul 3, 05:25 UTCJul 3, 06:15 UTC50m
2026-07-03 BCS3UP - Jul 3, 01:20 UTCJul 3, 02:40 UTC1h 20m
2026-07-02 BCS2665 - Jul 2, 22:10 UTCJul 2, 22:50 UTC40m
2026-07-02 BCS229 - Jul 2, 20:30 UTCJul 2, 20:50 UTC20m
2026-07-02 BCS2230 LEJ → STN Jul 2, 04:00 UTCJul 2, 05:20 UTC1h 20m
2026-07-01 BCS1491 AMS → LEJ Jul 1, 19:40 UTCJul 1, 20:35 UTC55m
2026-07-01 BCS6701 - Jul 1, 15:15 UTCJul 1, 15:55 UTC40m
2026-07-01 BCS6700 - Jul 1, 12:10 UTCJul 1, 12:50 UTC40m
2026-07-01 BCS21G - Jul 1, 01:50 UTCJul 1, 02:45 UTC55m
2026-06-30 BCS39G - Jun 30, 22:05 UTCJun 30, 23:15 UTC1h 10m
2026-06-30 BCS35P MXP → LHR Jun 30, 18:35 UTCJun 30, 20:05 UTC1h 30m
2026-06-30 BCS6756 - Jun 30, 08:10 UTCJun 30, 09:40 UTC1h 30m
2026-06-30 BCS62B LEJ → LTN Jun 30, 02:25 UTCJun 30, 03:45 UTC1h 20m
2026-06-29 BCS3QL - Jun 29, 20:24 UTCJun 29, 21:19 UTC55m

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

Mode-S 3C542D frequently asked

What is Mode-S code 3C542D?
3C542D is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-AEAM.
Where is Mode-S 3C542D registered?
Mode-S code 3C542D is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3C542D broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 04:20 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3C542D, octal 17052055, decimal 3,953,709.
What flights does 3C542D operate?
Mode-S 3C542D has broadcast 20 distinct callsigns, including BCS7JG, BCS8PA, BCS5GU, BCS39G, BCS62B.