Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

3C542F

ICAO 24-bit transponder address · allocated to Germany

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

Hex
3C542F
Octal
17052057
Decimal
3,953,711
Country
DE
Tail
D-AEAO
Type
A306
Broadcasting now · callsign BCS6GA · 11,575 ft
Flights observed
123
Distinct callsigns
20
Country
DE
Last broadcast
9h ago

Current position

3C542F is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 3C542F 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
BCS8PA European Air Transport 5 2026-05-26
BCS5GU European Air Transport 5 2026-05-26
BCS1443 European Air Transport 5 2026-05-26
BCS5QC European Air Transport 4 2026-05-09
BCS5NR European Air Transport 4 2026-05-05
BCS2WP European Air Transport 4 2026-05-13
BCS202P European Air Transport 4 2026-05-06
BCS167 European Air Transport 4 2026-05-06
BCS10K European Air Transport 4 2026-05-02
BCS72E European Air Transport 3 2026-05-02
BCS6756 European Air Transport 3 2026-05-10
BCS62B European Air Transport 3 2026-05-16
BCS5709 European Air Transport 3 2026-05-05
BCS5547 European Air Transport 3 2026-05-27
BCS5546 European Air Transport 3 2026-05-27
BCS35P European Air Transport 3 2026-05-10
BCS8AA European Air Transport 2 2026-05-29
BCS705P European Air Transport 2 2026-04-13
BCS6717 European Air Transport 2 2026-05-09
BCS6359 European Air Transport 2 2026-05-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 BCS8AA MXP → BRU May 29, 22:50 UTCMay 29, 23:55 UTC1h 5m
2026-05-29 BCS963 MXP → LEJ May 29, 19:20 UTCMay 29, 20:25 UTC1h 5m
2026-05-27 BCS5547 WAW → LEJ May 27, 20:10 UTCMay 27, 21:10 UTC1h 0m
2026-05-27 BCS5546 LEJ → WAW May 27, 02:54 UTCMay 27, 03:50 UTC55m
2026-05-26 BCS5GU AMS → LEJ May 26, 21:40 UTCMay 26, 22:29 UTC50m
2026-05-26 BCS1443 LEJ → LEJ May 26, 05:10 UTCMay 26, 05:49 UTC40m
2026-05-26 BCS8PA LEJ → STN May 26, 01:20 UTCMay 26, 02:35 UTC1h 15m
2026-05-25 BCS3265 GOT → CPH May 25, 20:34 UTCMay 25, 21:35 UTC1h 0m
2026-05-25 BCS51M ORB → ORB May 25, 18:25 UTCMay 25, 18:55 UTC30m
2026-05-25 BCS3906 CPH → ORB May 25, 04:20 UTCMay 25, 04:50 UTC30m
2026-05-25 BCS3264 CPH → GOT May 25, 01:55 UTCMay 25, 02:35 UTC40m
2026-05-23 BCS2RA LIS → LIS May 23, 20:35 UTCMay 23, 23:30 UTC2h 55m
2026-05-23 BCS18K BCN → LIS May 23, 06:40 UTCMay 23, 08:15 UTC1h 35m
2026-05-23 BCS3LR LEJ → LEJ May 23, 02:45 UTCMay 23, 04:40 UTC1h 55m
2026-05-22 BCS5GU AMS → LEJ May 22, 21:20 UTCMay 22, 22:10 UTC50m
2026-05-22 BCS1443 LEJ → LEJ May 22, 05:10 UTCMay 22, 05:45 UTC35m
2026-05-22 BCS8PA LEJ → STN May 22, 01:40 UTCMay 22, 02:55 UTC1h 15m
2026-05-21 BCS55K BCN → LEJ May 21, 20:00 UTCMay 21, 22:05 UTC2h 5m
2026-05-21 BCS3LR LEJ → LEJ May 21, 02:05 UTCMay 21, 03:50 UTC1h 45m
2026-05-20 BCS8TH BLQ → LEJ May 20, 21:00 UTCMay 20, 22:15 UTC1h 15m
2026-05-20 BCS7916 LEJ → BLQ May 20, 02:50 UTCMay 20, 04:05 UTC1h 15m
2026-05-19 BCS5547 WAW → LEJ May 19, 20:05 UTCMay 19, 21:00 UTC55m
2026-05-19 BCS5546 LEJ → WAW May 19, 02:55 UTCMay 19, 03:55 UTC1h 0m
2026-05-18 BCS5547 WAW → LEJ May 18, 20:05 UTCMay 18, 21:10 UTC1h 5m
2026-05-18 BCS5546 LEJ → WAW May 18, 02:40 UTCMay 18, 03:40 UTC1h 0m
2026-05-17 BCS6769 LHR → LEJ May 17, 09:10 UTCMay 17, 10:30 UTC1h 20m
2026-05-16 BCS62B LEJ → LTN May 16, 05:51 UTCMay 16, 07:11 UTC1h 20m
2026-05-15 BCS1LG LIS → LEJ May 15, 18:55 UTCMay 15, 22:00 UTC3h 5m
2026-05-15 BCS2FC - May 15, 05:15 UTCMay 15, 06:30 UTC1h 15m
2026-05-15 BCS73B LEJ → VIT May 15, 00:30 UTCMay 15, 02:30 UTC2h 0m
2026-05-14 BCS1443 LEJ → LEJ May 14, 05:05 UTCMay 14, 06:15 UTC1h 10m
2026-05-14 BCS8PA LEJ → STN May 14, 01:25 UTCMay 14, 02:40 UTC1h 15m
2026-05-13 BCS2WP FRA → LEJ May 13, 20:55 UTCMay 13, 21:30 UTC35m
2026-05-13 BCS6359 MAD → FRA May 13, 15:30 UTCMay 13, 17:35 UTC2h 5m
2026-05-13 BCS41E BRU → MAD May 13, 01:30 UTCMay 13, 03:35 UTC2h 5m
2026-05-12 BCS8AA MXP → BRU May 12, 22:25 UTCMay 12, 23:30 UTC1h 5m
2026-05-12 BCS42M NAP → MXP May 12, 18:20 UTCMay 12, 19:30 UTC1h 10m
2026-05-12 BCS48D - May 12, 05:50 UTCMay 12, 06:45 UTC55m
2026-05-11 BCS2UR MAD → BRU May 11, 20:20 UTCMay 11, 22:30 UTC2h 10m
2026-05-11 BCS810P MXP → LHR May 11, 02:30 UTCMay 11, 04:40 UTC2h 10m
2026-05-10 BCS35P MXP → LHR May 10, 21:54 UTCMay 10, 23:29 UTC1h 35m
2026-05-10 BCS6756 LHR → LTN May 10, 18:05 UTCMay 10, 19:40 UTC1h 35m
2026-05-09 BCS13G FRA → LTN May 9, 18:55 UTCMay 9, 20:05 UTC1h 10m
2026-05-09 BCS6717 LTN → FRA May 9, 15:40 UTCMay 9, 16:40 UTC1h 0m
2026-05-09 BCS6740 BRU → LHR May 9, 13:00 UTCMay 9, 13:50 UTC50m
2026-05-09 BCS2885 DUB → BRU May 9, 07:30 UTCMay 9, 08:45 UTC1h 15m
2026-05-09 BCS5QC EMA → DUB May 9, 03:40 UTCMay 9, 05:30 UTC1h 50m
2026-05-08 BCS5GU AMS → LEJ May 8, 21:45 UTCMay 8, 22:35 UTC50m
2026-05-08 BCS1443 LEJ → LEJ May 8, 05:20 UTCMay 8, 05:59 UTC40m
2026-05-08 BCS8PA LEJ → STN May 8, 01:40 UTCMay 8, 02:59 UTC1h 20m

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

Mode-S 3C542F frequently asked

What is Mode-S code 3C542F?
3C542F is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-AEAO.
Where is Mode-S 3C542F registered?
Mode-S code 3C542F is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3C542F broadcasting right now?
Yes. Mode-S 3C542F is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3C542F, octal 17052057, decimal 3,953,711.
What flights does 3C542F operate?
Mode-S 3C542F has broadcast 20 distinct callsigns, including BCS8PA, BCS5GU, BCS1443, BCS5QC, BCS5NR.