Apparatus

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sensors Mode-S transponder

3C66A8

ICAO 24-bit transponder address · allocated to Germany

Currently assigned to D-AIUH · AIRBUS A-320

Hex
3C66A8
Octal
17063250
Decimal
3,958,440
Country
DE
Tail
D-AIUH
Type
A320
No current signal · last broadcast Jul 26, 20:10 UTC
Flights observed
291
Distinct callsigns
20
Country
DE
Last broadcast
Jul 26, 20:10 UTC

Last known position

Most recent position reported by Mode-S 3C66A8.

Country allocation

The ICAO 24-bit address 3C66A8 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
DLH68W Lufthansa 8 2026-07-26
DLH44U Lufthansa 8 2026-07-26
DLH2RX Lufthansa 5 2026-07-26
DLH7JE Lufthansa 4 2026-07-24
DLH7E - 4 2026-07-06
DLH2HL - 4 2026-07-06
DLH2259 Lufthansa 4 2026-07-19
DLH2258 Lufthansa 4 2026-07-19
DLH99X - 3 2026-07-23
DLH93U - 3 2026-07-22
DLH7JT - 3 2026-07-19
DLH6JF - 3 2026-07-22
DLH5AH - 3 2026-07-22
DLH3PK - 3 2026-07-10
DLH3M - 3 2026-07-10
DLH3EE Lufthansa 3 2026-05-07
DLH33P Lufthansa 3 2026-07-21
DLH2JW - 3 2026-07-19
DLH1FF Lufthansa 3 2026-05-07
DLH16A - 3 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 DLH2RX MUC → BSL Jul 26, 18:50 UTCJul 26, 20:05 UTC1h 15m
2026-07-26 DLH08X - Jul 26, 16:30 UTCJul 26, 17:30 UTC1h 0m
2026-07-26 DLH16A - Jul 26, 14:10 UTCJul 26, 15:20 UTC1h 10m
2026-07-26 DLH68W BCN → FRA Jul 26, 11:45 UTCJul 26, 13:10 UTC1h 25m
2026-07-26 DLH44U FRA → VLC Jul 26, 08:45 UTCJul 26, 10:00 UTC1h 15m
2026-07-26 DLH4TN SOF → MUC Jul 26, 06:45 UTCJul 26, 07:40 UTC55m
2026-07-25 DLH8NP - Jul 25, 17:50 UTCJul 25, 18:35 UTC45m
2026-07-25 DLH2575 BKK → MUC Jul 25, 15:30 UTCJul 25, 16:15 UTC45m
2026-07-25 DLH2574 MUC → CDG Jul 25, 13:50 UTCJul 25, 14:25 UTC35m
2026-07-25 DLH8EJ NUE → FRA Jul 25, 10:20 UTCJul 25, 12:35 UTC2h 15m
2026-07-25 DLH1CP FRA → POZ Jul 25, 06:50 UTCJul 25, 08:50 UTC2h 0m
2026-07-25 DLH01J BCN → FRA Jul 25, 04:20 UTCJul 25, 05:35 UTC1h 15m
2026-07-24 DLH92A MUC → MAD Jul 24, 18:25 UTCJul 24, 19:40 UTC1h 15m
2026-07-24 DLH7NM BUD → MUC Jul 24, 16:05 UTCJul 24, 17:05 UTC1h 0m
2026-07-24 DLH2YX - Jul 24, 14:20 UTCJul 24, 15:15 UTC55m
2026-07-24 DLH68W BCN → FRA Jul 24, 11:40 UTCJul 24, 13:00 UTC1h 20m
2026-07-24 DLH44U FRA → VLC Jul 24, 08:55 UTCJul 24, 10:20 UTC1h 25m
2026-07-24 DLH7JE MUC → HAM Jul 24, 06:35 UTCJul 24, 07:35 UTC1h 0m
2026-07-23 DLH2RX MUC → BSL Jul 23, 18:50 UTCJul 23, 20:10 UTC1h 20m
2026-07-23 DLH04J NCE → MUC Jul 23, 16:45 UTCJul 23, 17:45 UTC1h 0m
2026-07-23 DLH99X - Jul 23, 14:20 UTCJul 23, 15:30 UTC1h 10m
2026-07-23 DLH3NC CPH → FRA Jul 23, 10:35 UTCJul 23, 12:20 UTC1h 45m
2026-07-23 DLH4JA MUC → OTP Jul 23, 07:40 UTCJul 23, 09:10 UTC1h 30m
2026-07-23 DLH2FL VCE → FRA Jul 23, 03:00 UTCJul 23, 05:25 UTC2h 25m
2026-07-22 DLH5AE STR → MUC Jul 22, 17:50 UTCJul 22, 19:55 UTC2h 5m
2026-07-22 DLH5AH - Jul 22, 15:20 UTCJul 22, 16:20 UTC1h 0m
2026-07-22 DLH6JF - Jul 22, 13:10 UTCJul 22, 14:15 UTC1h 5m
2026-07-22 DLH3NC CPH → FRA Jul 22, 11:10 UTCJul 22, 12:00 UTC50m
2026-07-22 DLH93U NCE → MUC Jul 22, 04:15 UTCJul 22, 05:25 UTC1h 10m
2026-07-21 DLH33P MUC → NCE Jul 21, 20:10 UTCJul 21, 21:15 UTC1h 5m
2026-07-21 DLH08X - Jul 21, 16:50 UTCJul 21, 17:55 UTC1h 5m
2026-07-21 DLH16A - Jul 21, 14:30 UTCJul 21, 15:40 UTC1h 10m
2026-07-21 DLH7M HAM → MUC Jul 21, 12:25 UTCJul 21, 13:20 UTC55m
2026-07-21 DLH4JW - Jul 21, 09:40 UTCJul 21, 10:35 UTC55m
2026-07-21 DLH6AC BUD → MUC Jul 21, 07:15 UTCJul 21, 08:20 UTC1h 5m
2026-07-21 DLH5JW MUC → BUD Jul 21, 05:25 UTCJul 21, 06:20 UTC55m
2026-07-20 DLH3KA WRO → FRA Jul 20, 18:50 UTCJul 20, 19:45 UTC55m
2026-07-20 DLH6KH MUC → BRE Jul 20, 16:55 UTCJul 20, 17:50 UTC55m
2026-07-20 DLH4RK FRA → MXP Jul 20, 15:00 UTCJul 20, 15:35 UTC35m
2026-07-20 DLH4RK FRA → MXP Jul 20, 13:50 UTCJul 20, 14:55 UTC1h 5m
2026-07-20 DLH8UE MUC → OSL Jul 20, 10:50 UTCJul 20, 12:45 UTC1h 55m
2026-07-20 DLH4RV - Jul 20, 08:55 UTCJul 20, 09:40 UTC45m
2026-07-20 DLH2TY - Jul 20, 06:45 UTCJul 20, 07:45 UTC1h 0m
2026-07-20 DLH7LA DUS → MUC Jul 20, 04:35 UTCJul 20, 05:30 UTC55m
2026-07-19 DLH3LR - Jul 19, 19:55 UTCJul 19, 20:45 UTC50m
2026-07-19 DLH2259 BOD → MUC Jul 19, 17:25 UTCJul 19, 18:50 UTC1h 25m
2026-07-19 DLH2258 MUC → BOD Jul 19, 14:50 UTCJul 19, 16:25 UTC1h 35m
2026-07-19 DLH7JT MLA → MUC Jul 19, 10:45 UTCJul 19, 12:45 UTC2h 0m
2026-07-19 DLH2JW MUC → MLA Jul 19, 07:45 UTCJul 19, 09:40 UTC1h 55m
2026-07-19 DLH6EL - Jul 19, 04:20 UTCJul 19, 05:05 UTC45m

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

Mode-S 3C66A8 frequently asked

What is Mode-S code 3C66A8?
3C66A8 is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-AIUH.
Where is Mode-S 3C66A8 registered?
Mode-S code 3C66A8 is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3C66A8 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 20:10 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3C66A8, octal 17063250, decimal 3,958,440.
What flights does 3C66A8 operate?
Mode-S 3C66A8 has broadcast 20 distinct callsigns, including DLH68W, DLH44U, DLH2RX, DLH7JE, DLH7E.