Apparatus

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sensors Mode-S transponder

3C5431

ICAO 24-bit transponder address · allocated to Germany

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

Hex
3C5431
Octal
17052061
Decimal
3,953,713
Country
DE
Tail
D-AEAQ
Type
A306
No current signal · last broadcast 14h ago
Flights observed
114
Distinct callsigns
20
Country
DE
Last broadcast
14h ago

Last known position

Most recent position reported by Mode-S 3C5431.

Country allocation

The ICAO 24-bit address 3C5431 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
BCS5547 European Air Transport 6 2026-05-21
BCS8PA European Air Transport 5 2026-05-29
BCS5546 European Air Transport 5 2026-05-21
BCS5GU European Air Transport 4 2026-05-29
BCS1443 European Air Transport 4 2026-05-29
BCS9TC European Air Transport 3 2026-05-12
BCS7JG European Air Transport 3 2026-05-06
BCS6360 European Air Transport 3 2026-05-23
BCS6359 European Air Transport 3 2026-05-27
BCS5WE European Air Transport 3 2026-05-12
BCS5NR European Air Transport 3 2026-04-28
BCS36V - 3 2026-05-12
BCS198 European Air Transport 3 2026-05-11
BCS10K European Air Transport 3 2026-05-06
BCS72E European Air Transport 2 2026-05-23
BCS6725 European Air Transport 2 2026-05-23
BCS5QC European Air Transport 2 2026-04-29
BCS5709 European Air Transport 2 2026-04-28
BCS5706 European Air Transport 2 2026-04-28
BCS56W European Air Transport 2 2026-04-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 BCS5GU AMS → LEJ May 29, 21:30 UTCMay 29, 22:30 UTC1h 0m
2026-05-29 BCS1443 LEJ → LEJ May 29, 05:10 UTCMay 29, 05:45 UTC35m
2026-05-29 BCS8PA LEJ → STN May 29, 01:30 UTCMay 29, 02:45 UTC1h 15m
2026-05-28 BCS5GU AMS → LEJ May 28, 21:25 UTCMay 28, 22:15 UTC50m
2026-05-28 BCS21G LEJ → AMS May 28, 01:50 UTCMay 28, 02:45 UTC55m
2026-05-27 BCS2WP FRA → LEJ May 27, 20:50 UTCMay 27, 21:35 UTC45m
2026-05-27 BCS6359 MAD → FRA May 27, 15:35 UTCMay 27, 17:40 UTC2h 5m
2026-05-27 BCS41E BRU → MAD May 27, 01:29 UTCMay 27, 03:24 UTC1h 55m
2026-05-26 BCS8AA MXP → BRU May 26, 22:09 UTCMay 26, 23:19 UTC1h 10m
2026-05-26 BCS42M NAP → MXP May 26, 18:19 UTCMay 26, 19:30 UTC1h 10m
2026-05-26 BCS48D - May 26, 05:49 UTCMay 26, 06:49 UTC1h 0m
2026-05-26 BCS6GA BRU → MXP May 26, 01:10 UTCMay 26, 02:15 UTC1h 5m
2026-05-25 BCS2UR MAD → BRU May 25, 20:15 UTCMay 25, 22:05 UTC1h 50m
2026-05-23 BCS6360 FRA → MAD May 23, 19:55 UTCMay 23, 22:00 UTC2h 5m
2026-05-23 BCS6359 MAD → FRA May 23, 15:50 UTCMay 23, 18:05 UTC2h 15m
2026-05-23 BCS6725 AMS → MAD May 23, 11:50 UTCMay 23, 13:50 UTC2h 0m
2026-05-23 BCS72E MAD → MAD May 23, 08:00 UTCMay 23, 10:00 UTC2h 0m
2026-05-23 BCS7CK MXP → MXP May 23, 01:25 UTCMay 23, 03:05 UTC1h 39m
2026-05-22 BCS37R MAD → MAD May 22, 21:45 UTCMay 22, 23:45 UTC2h 0m
2026-05-22 BCS6360 FRA → MAD May 22, 16:15 UTCMay 22, 18:15 UTC2h 0m
2026-05-22 BCS186 LEJ → FRA May 22, 02:35 UTCMay 22, 03:15 UTC40m
2026-05-21 BCS5547 WAW → LEJ May 21, 20:05 UTCMay 21, 21:00 UTC55m
2026-05-21 BCS5546 LEJ → WAW May 21, 02:50 UTCMay 21, 03:45 UTC55m
2026-05-20 BCS3265 GOT → CPH May 20, 20:20 UTCMay 20, 21:25 UTC1h 5m
2026-05-20 BCS51M ORB → ORB May 20, 18:20 UTCMay 20, 18:45 UTC25m
2026-05-20 BCS3906 CPH → ORB May 20, 05:50 UTCMay 20, 06:15 UTC25m
2026-05-20 BCS3264 CPH → GOT May 20, 03:00 UTCMay 20, 04:00 UTC1h 0m
2026-05-19 BCS1491 AMS → LEJ May 19, 19:55 UTCMay 19, 20:45 UTC50m
2026-05-19 BCS1443 LEJ → LEJ May 19, 05:10 UTCMay 19, 05:50 UTC40m
2026-05-19 BCS8PA LEJ → STN May 19, 01:25 UTCMay 19, 02:40 UTC1h 15m
2026-05-18 BCS8EL HEL → LEJ May 18, 19:45 UTCMay 18, 21:35 UTC1h 50m
2026-05-18 BCS3612 LEJ → HEL May 18, 00:05 UTCMay 18, 01:45 UTC1h 40m
2026-05-17 BCS25C BRU → LEJ May 17, 20:15 UTCMay 17, 21:05 UTC50m
2026-05-17 BCS6741 LHR → BRU May 17, 07:20 UTCMay 17, 08:05 UTC45m
2026-05-16 BCS6778 CDG → LHR May 16, 20:25 UTCMay 16, 21:05 UTC40m
2026-05-16 BCS89N LHR → CDG May 16, 17:30 UTCMay 16, 18:15 UTC45m
2026-05-16 BCS6731 AMS → LHR May 16, 14:51 UTCMay 16, 15:31 UTC40m
2026-05-16 BCS223 - May 16, 09:21 UTCMay 16, 10:05 UTC45m
2026-05-16 BCS8PA LEJ → STN May 16, 03:25 UTCMay 16, 04:40 UTC1h 15m
2026-05-15 BCS169 CGN → LEJ May 15, 22:15 UTCMay 15, 22:55 UTC40m
2026-05-15 BCS202P STN → STN May 15, 19:35 UTCMay 15, 20:30 UTC55m
2026-05-15 BCS2230 LEJ → STN May 15, 04:00 UTCMay 15, 05:15 UTC1h 15m
2026-05-14 BCS5547 WAW → LEJ May 14, 20:05 UTCMay 14, 21:00 UTC55m
2026-05-14 BCS5546 LEJ → WAW May 14, 02:50 UTCMay 14, 03:45 UTC55m
2026-05-13 BCS3265 GOT → CPH May 13, 20:40 UTCMay 13, 21:50 UTC1h 10m
2026-05-13 BCS51M ORB → ORB May 13, 18:30 UTCMay 13, 19:00 UTC30m
2026-05-13 BCS3906 CPH → ORB May 13, 06:05 UTCMay 13, 06:30 UTC25m
2026-05-13 BCS3264 CPH → GOT May 13, 03:15 UTCMay 13, 04:20 UTC1h 5m
2026-05-12 BCS9TC VIT → LEJ May 12, 21:10 UTCMay 12, 23:10 UTC2h 0m
2026-05-12 BCS36V - May 12, 18:20 UTCMay 12, 19:10 UTC50m

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

Mode-S 3C5431 frequently asked

What is Mode-S code 3C5431?
3C5431 is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-AEAQ.
Where is Mode-S 3C5431 registered?
Mode-S code 3C5431 is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3C5431 broadcasting right now?
No active broadcast right now. Last signal was 14h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3C5431, octal 17052061, decimal 3,953,713.
What flights does 3C5431 operate?
Mode-S 3C5431 has broadcast 20 distinct callsigns, including BCS5547, BCS8PA, BCS5546, BCS5GU, BCS1443.