Apparatus

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sensors Mode-S transponder

3C66E1

ICAO 24-bit transponder address · allocated to Germany

Currently assigned to D-AIWA · AIRBUS A-320

Hex
3C66E1
Octal
17063341
Decimal
3,958,497
Country
DE
Tail
D-AIWA
Type
A320
No current signal · last broadcast 5h ago
Flights observed
460
Distinct callsigns
20
Country
DE
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S 3C66E1.

Country allocation

The ICAO 24-bit address 3C66E1 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
DLH2KK - 10 2026-07-09
DLH8FL - 8 2026-07-14
DLH7WJ - 8 2026-07-14
DLH6HX Lufthansa 8 2026-05-23
DLH54N - 7 2026-07-14
DLH8JT - 6 2026-07-10
DLH77W - 6 2026-07-14
DLH4RJ - 6 2026-07-10
DLH8PP - 5 2026-07-02
DLH885 - 5 2026-07-13
DLH884 - 5 2026-07-12
DLH867 - 5 2026-07-06
DLH866 - 5 2026-07-05
DLH4UP - 5 2026-07-02
DLH9YW Lufthansa 4 2026-06-02
DLH8EM Lufthansa 4 2026-05-27
DLH6RK Lufthansa 4 2026-05-27
DLH51H - 4 2026-07-12
DLH2UX - 4 2026-07-05
DLH1A - 4 2026-07-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 DLH77W BCN → FRA Jul 14, 17:20 UTCJul 14, 18:55 UTC1h 35m
2026-07-14 DLH54N FRA → BCN Jul 14, 14:45 UTCJul 14, 16:25 UTC1h 40m
2026-07-14 DLH8FL BGO → FRA Jul 14, 11:35 UTCJul 14, 13:10 UTC1h 35m
2026-07-14 DLH7WJ FRA → BGO Jul 14, 09:00 UTCJul 14, 10:30 UTC1h 30m
2026-07-14 DLH2TN - Jul 14, 03:50 UTCJul 14, 05:05 UTC1h 15m
2026-07-13 DLH2RV - Jul 13, 20:25 UTCJul 13, 21:20 UTC55m
2026-07-13 DLH77W - Jul 13, 17:15 UTCJul 13, 18:55 UTC1h 40m
2026-07-13 DLH54N - Jul 13, 14:55 UTCJul 13, 16:10 UTC1h 15m
2026-07-13 DLH54N - Jul 13, 14:30 UTCJul 13, 14:50 UTC20m
2026-07-13 DLH895 VNO → FRA Jul 13, 10:30 UTCJul 13, 12:30 UTC2h 0m
2026-07-13 DLH894 FRA → VNO Jul 13, 07:55 UTCJul 13, 09:35 UTC1h 40m
2026-07-13 DLH885 - Jul 13, 03:10 UTCJul 13, 05:25 UTC2h 15m
2026-07-12 DLH884 - Jul 12, 19:40 UTCJul 12, 21:40 UTC2h 0m
2026-07-12 DLH51H - Jul 12, 16:40 UTCJul 12, 18:30 UTC1h 50m
2026-07-12 DLH04T - Jul 12, 13:20 UTCJul 12, 15:10 UTC1h 50m
2026-07-12 DLH1UL BUD → FRA Jul 12, 09:45 UTCJul 12, 11:10 UTC1h 25m
2026-07-12 DLH1CW FRA → BUD Jul 12, 07:35 UTCJul 12, 08:45 UTC1h 10m
2026-07-12 DLH1JT - Jul 12, 03:30 UTCJul 12, 05:40 UTC2h 10m
2026-07-11 DLH1UT - Jul 11, 17:40 UTCJul 11, 19:20 UTC1h 40m
2026-07-11 DLH37F - Jul 11, 14:25 UTCJul 11, 16:15 UTC1h 50m
2026-07-11 DLH99F - Jul 11, 11:25 UTCJul 11, 13:20 UTC1h 55m
2026-07-11 DLH899 - Jul 11, 03:30 UTCJul 11, 05:20 UTC1h 50m
2026-07-10 DLH898 FRA → VNO Jul 10, 19:25 UTCJul 10, 21:05 UTC1h 40m
2026-07-10 DLH7A - Jul 10, 17:30 UTCJul 10, 18:10 UTC40m
2026-07-10 DLH3CT FRA → AMS Jul 10, 14:55 UTCJul 10, 15:40 UTC45m
2026-07-10 DLH8JT ARN → FRA Jul 10, 11:25 UTCJul 10, 13:10 UTC1h 45m
2026-07-10 DLH4RJ FRA → ARN Jul 10, 08:45 UTCJul 10, 10:35 UTC1h 50m
2026-07-10 DLH1EE - Jul 10, 06:10 UTCJul 10, 06:55 UTC45m
2026-07-09 DLH2KK FRA → MUC Jul 9, 20:35 UTCJul 9, 21:10 UTC35m
2026-07-09 DLH8VY - Jul 9, 17:20 UTCJul 9, 18:40 UTC1h 20m
2026-07-09 DLH1LA - Jul 9, 15:15 UTCJul 9, 16:30 UTC1h 15m
2026-07-09 DLH1RJ EDI → FRA Jul 9, 12:15 UTCJul 9, 13:50 UTC1h 35m
2026-07-09 DLH4WF FRA → EDI Jul 9, 09:35 UTCJul 9, 11:05 UTC1h 30m
2026-07-09 DLH247 MXP → FRA Jul 9, 07:10 UTCJul 9, 08:05 UTC55m
2026-07-09 DLH4YF FRA → MXP Jul 9, 05:15 UTCJul 9, 06:05 UTC50m
2026-07-08 DLH51V - Jul 8, 13:15 UTCJul 8, 14:20 UTC1h 5m
2026-07-08 DLH43V - Jul 8, 10:35 UTCJul 8, 11:25 UTC50m
2026-07-08 DLH3A - Jul 8, 08:25 UTCJul 8, 09:05 UTC40m
2026-07-08 DLH6TR - Jul 8, 06:00 UTCJul 8, 06:55 UTC55m
2026-07-07 DLH8VY - Jul 7, 17:20 UTCJul 7, 18:30 UTC1h 10m
2026-07-07 DLH1LA - Jul 7, 14:55 UTCJul 7, 16:20 UTC1h 25m
2026-07-07 DLH8FL BGO → FRA Jul 7, 11:55 UTCJul 7, 13:20 UTC1h 25m
2026-07-07 DLH7WJ FRA → BGO Jul 7, 09:05 UTCJul 7, 10:55 UTC1h 50m
2026-07-07 DLH9FW - Jul 7, 05:20 UTCJul 7, 06:00 UTC40m
2026-07-06 DLH2KK FRA → MUC Jul 6, 20:30 UTCJul 6, 21:10 UTC40m
2026-07-06 DLH77W BCN → FRA Jul 6, 17:35 UTCJul 6, 19:20 UTC1h 45m
2026-07-06 DLH54N - Jul 6, 14:30 UTCJul 6, 16:05 UTC1h 35m
2026-07-06 DLH11Y BCN → FRA Jul 6, 11:20 UTCJul 6, 13:00 UTC1h 40m
2026-07-06 DLH26C FRA → BCN Jul 6, 08:05 UTCJul 6, 09:35 UTC1h 30m
2026-07-06 DLH867 - Jul 6, 05:00 UTCJul 6, 06:35 UTC1h 35m

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

Mode-S 3C66E1 frequently asked

What is Mode-S code 3C66E1?
3C66E1 is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-AIWA.
Where is Mode-S 3C66E1 registered?
Mode-S code 3C66E1 is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3C66E1 broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3C66E1, octal 17063341, decimal 3,958,497.
What flights does 3C66E1 operate?
Mode-S 3C66E1 has broadcast 20 distinct callsigns, including DLH2KK, DLH8FL, DLH7WJ, DLH6HX, DLH54N.