Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

3C6663

ICAO 24-bit transponder address · allocated to Germany

Currently assigned to D-AISC · AIRBUS A-321

Hex
3C6663
Octal
17063143
Decimal
3,958,371
Country
DE
Tail
D-AISC
Type
A321
No current signal · last broadcast 6h ago
Flights observed
391
Distinct callsigns
20
Country
DE
Last broadcast
6h ago

Last known position

Most recent position reported by Mode-S 3C6663.

Country allocation

The ICAO 24-bit address 3C6663 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
DLH85K - 5 2026-07-07
DLH5TY - 5 2026-06-25
DLH53F - 5 2026-07-07
DLH4YF Lufthansa 5 2026-05-30
DLH1LC Lufthansa 5 2026-06-25
DLH9MH Lufthansa 4 2026-06-15
DLH8CK - 4 2026-06-24
DLH81H - 4 2026-06-27
DLH7EL - 4 2026-07-01
DLH77P Lufthansa 4 2026-06-06
DLH4LX - 4 2026-06-24
DLH2NL - 4 2026-07-07
DLH2HH Lufthansa 4 2026-06-15
DLH247 Lufthansa 4 2026-05-30
DLH1HE - 4 2026-07-01
DLH172 - 4 2026-07-07
DLH11F Lufthansa 4 2026-06-05
DLH9PL - 3 2026-06-21
DLH982 - 3 2026-06-20
DLH963 - 3 2026-07-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 DLH04U BOD → BOD Jul 17, 19:00 UTCJul 17, 21:05 UTC2h 5m
2026-07-17 DLH7LY ARN → FRA Jul 17, 15:29 UTCJul 17, 17:25 UTC1h 55m
2026-07-17 DLH804 FRA → ARN Jul 17, 12:00 UTCJul 17, 13:40 UTC1h 40m
2026-07-17 DLH1PF - Jul 17, 07:25 UTCJul 17, 08:54 UTC1h 30m
2026-07-16 DLH338 - Jul 16, 19:35 UTCJul 16, 21:10 UTC1h 35m
2026-07-16 DLH35M LIS → FRA Jul 16, 12:30 UTCJul 16, 14:55 UTC2h 25m
2026-07-16 DLH39X FRA → LIS Jul 16, 08:05 UTCJul 16, 10:59 UTC2h 55m
2026-07-16 DLH1PF - Jul 16, 04:15 UTCJul 16, 06:05 UTC1h 50m
2026-07-15 DLH336 - Jul 15, 17:50 UTCJul 15, 19:25 UTC1h 35m
2026-07-15 DLH57Y - Jul 15, 12:05 UTCJul 15, 14:20 UTC2h 15m
2026-07-15 DLH17F - Jul 15, 07:55 UTCJul 15, 10:45 UTC2h 50m
2026-07-15 DLH6EJ BLL → FRA Jul 15, 04:20 UTCJul 15, 05:25 UTC1h 5m
2026-07-14 DLH4KW - Jul 14, 20:25 UTCJul 14, 21:25 UTC1h 0m
2026-07-14 DLH979 DUB → FRA Jul 14, 12:40 UTCJul 14, 14:20 UTC1h 40m
2026-07-14 DLH978 FRA → DUB Jul 14, 09:05 UTCJul 14, 10:45 UTC1h 40m
2026-07-14 DLH7EK - Jul 14, 04:40 UTCJul 14, 05:25 UTC45m
2026-07-13 DLH1WP FRA → HAM Jul 13, 17:10 UTCJul 13, 17:45 UTC35m
2026-07-13 DLH57Y - Jul 13, 11:55 UTCJul 13, 14:15 UTC2h 20m
2026-07-13 DLH17F - Jul 13, 07:45 UTCJul 13, 10:25 UTC2h 40m
2026-07-13 DLH5KW ARN → FRA Jul 13, 04:30 UTCJul 13, 06:20 UTC1h 50m
2026-07-12 DLH6VP FRA → ARN Jul 12, 20:25 UTCJul 12, 22:00 UTC1h 35m
2026-07-12 DLH42Y LIS → FRA Jul 12, 16:05 UTCJul 12, 18:25 UTC2h 20m
2026-07-12 DLH03H FRA → LIS Jul 12, 11:45 UTCJul 12, 14:25 UTC2h 40m
2026-07-12 DLH8WE - Jul 12, 09:10 UTCJul 12, 10:05 UTC55m
2026-07-12 DLH010 FRA → HAM Jul 12, 07:25 UTCJul 12, 08:05 UTC40m
2026-07-12 DLH7EK HAM → FRA Jul 12, 04:35 UTCJul 12, 05:25 UTC50m
2026-07-11 DLH1WP FRA → HAM Jul 11, 17:10 UTCJul 11, 17:50 UTC40m
2026-07-11 DLH35M LIS → FRA Jul 11, 12:35 UTCJul 11, 14:55 UTC2h 20m
2026-07-11 DLH39X FRA → LIS Jul 11, 08:15 UTCJul 11, 10:55 UTC2h 40m
2026-07-11 DLH885 TLL → FRA Jul 11, 03:15 UTCJul 11, 05:15 UTC2h 0m
2026-07-10 DLH884 FRA → TLL Jul 10, 20:05 UTCJul 10, 22:05 UTC2h 0m
2026-07-10 DLH12K BCN → FRA Jul 10, 17:05 UTCJul 10, 18:55 UTC1h 50m
2026-07-10 DLH62F FRA → BCN Jul 10, 13:50 UTCJul 10, 15:45 UTC1h 55m
2026-07-10 DLH4HU KRK → FRA Jul 10, 09:35 UTCJul 10, 11:00 UTC1h 25m
2026-07-10 DLH6EM FRA → KRK Jul 10, 07:20 UTCJul 10, 08:25 UTC1h 5m
2026-07-10 DLH7P PRG → FRA Jul 10, 04:15 UTCJul 10, 05:05 UTC50m
2026-07-09 DLH5XY FRA → PRG Jul 9, 20:30 UTCJul 9, 21:10 UTC40m
2026-07-08 DLH8FL - Jul 8, 12:00 UTCJul 8, 13:30 UTC1h 30m
2026-07-08 DLH7WJ - Jul 8, 09:05 UTCJul 8, 10:55 UTC1h 50m
2026-07-08 DLH3RJ ATH → FRA Jul 8, 04:00 UTCJul 8, 06:45 UTC2h 45m
2026-07-07 DLH6TV FRA → ATH Jul 7, 15:40 UTCJul 7, 17:55 UTC2h 15m
2026-07-07 DLH85K - Jul 7, 12:25 UTCJul 7, 14:20 UTC1h 55m
2026-07-07 DLH53F - Jul 7, 09:25 UTCJul 7, 11:10 UTC1h 45m
2026-07-07 DLH2NL - Jul 7, 06:50 UTCJul 7, 07:35 UTC45m
2026-07-07 DLH172 FRA → BER Jul 7, 05:00 UTCJul 7, 05:50 UTC50m
2026-07-06 DLH35U FAO → FRA Jul 6, 14:35 UTCJul 6, 17:20 UTC2h 45m
2026-07-06 DLH02T - Jul 6, 10:35 UTCJul 6, 13:15 UTC2h 40m
2026-07-06 DLH02T FRA → FRA Jul 6, 10:15 UTCJul 6, 10:20 UTC5m
2026-07-06 DLH54J - Jul 6, 05:15 UTCJul 6, 06:20 UTC1h 5m
2026-07-05 DLH19E - Jul 5, 20:30 UTCJul 5, 21:25 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-AISC page for operator, model, and routing details .

Mode-S 3C6663 frequently asked

What is Mode-S code 3C6663?
3C6663 is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-AISC.
Where is Mode-S 3C6663 registered?
Mode-S code 3C6663 is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3C6663 broadcasting right now?
No active broadcast right now. Last signal was 6h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3C6663, octal 17063143, decimal 3,958,371.
What flights does 3C6663 operate?
Mode-S 3C6663 has broadcast 20 distinct callsigns, including DLH85K, DLH5TY, DLH53F, DLH4YF, DLH1LC.