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sensors Mode-S transponder

3C664E

ICAO 24-bit transponder address · allocated to Germany

Currently assigned to D-AIRN · AIRBUS A-321

Hex
3C664E
Octal
17063116
Decimal
3,958,350
Country
DE
Tail
D-AIRN
Type
A321
No current signal · last broadcast Jul 26, 20:05 UTC
Flights observed
445
Distinct callsigns
20
Country
DE
Last broadcast
Jul 26, 20:05 UTC

Last known position

Most recent position reported by Mode-S 3C664E.

Country allocation

The ICAO 24-bit address 3C664E 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
DLH5RM Lufthansa 7 2026-07-19
DLH980 - 6 2026-07-19
DLH78H - 6 2026-07-09
DLH26C - 6 2026-07-19
DLH11Y - 6 2026-07-19
DLH99F - 4 2026-07-17
DLH8PP Lufthansa 4 2026-07-26
DLH88P Lufthansa 4 2026-06-12
DLH88H - 4 2026-07-23
DLH7EK Lufthansa 4 2026-07-26
DLH74U - 4 2026-07-03
DLH6CF - 4 2026-06-20
DLH5CH Lufthansa 4 2026-05-01
DLH55U Lufthansa 4 2026-06-11
DLH4UP Lufthansa 4 2026-07-26
DLH37W - 4 2026-06-25
DLH37F - 4 2026-07-17
DLH2F - 4 2026-07-23
DLH2EW - 4 2026-06-20
DLH1TV - 4 2026-06-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 DLH73U FRA → PMI Jul 26, 19:15 UTCJul 26, 20:05 UTC50m
2026-07-26 DLH4UP BLL → FRA Jul 26, 15:15 UTCJul 26, 17:40 UTC2h 25m
2026-07-26 DLH8PP FRA → STR Jul 26, 12:00 UTCJul 26, 14:05 UTC2h 5m
2026-07-26 DLH7EK FRA → BRU Jul 26, 04:35 UTCJul 26, 05:20 UTC45m
2026-07-25 DLH1WL MAN → MUC Jul 25, 19:30 UTCJul 25, 20:15 UTC45m
2026-07-25 DLH3EK CLJ → FRA Jul 25, 15:40 UTCJul 25, 17:20 UTC1h 40m
2026-07-25 DLH3NX MUC → LHR Jul 25, 12:35 UTCJul 25, 14:15 UTC1h 40m
2026-07-25 DLH307 CTA → FRA Jul 25, 08:25 UTCJul 25, 10:25 UTC2h 0m
2026-07-25 DLH306 FRA → CTA Jul 25, 04:55 UTCJul 25, 06:50 UTC1h 55m
2026-07-24 DLH947 MAN → FRA Jul 24, 18:20 UTCJul 24, 19:30 UTC1h 10m
2026-07-24 DLH9YW - Jul 24, 15:00 UTCJul 24, 16:20 UTC1h 20m
2026-07-24 DLH979 DUB → FRA Jul 24, 11:55 UTCJul 24, 13:25 UTC1h 30m
2026-07-24 DLH978 FRA → DUB Jul 24, 09:00 UTCJul 24, 10:45 UTC1h 45m
2026-07-24 DLH7VT KRK → FRA Jul 24, 04:35 UTCJul 24, 06:15 UTC1h 40m
2026-07-23 DLH8LP FRA → BGO Jul 23, 19:45 UTCJul 23, 21:25 UTC1h 40m
2026-07-23 DLH2F - Jul 23, 17:15 UTCJul 23, 18:05 UTC50m
2026-07-23 DLH88H FRA → CDG Jul 23, 15:15 UTCJul 23, 16:00 UTC45m
2026-07-19 DLH5RM FRA → HAM Jul 19, 17:20 UTCJul 19, 18:50 UTC1h 30m
2026-07-19 DLH980 - Jul 19, 14:20 UTCJul 19, 16:00 UTC1h 40m
2026-07-19 DLH11Y BCN → FRA Jul 19, 11:20 UTCJul 19, 13:00 UTC1h 40m
2026-07-19 DLH26C FRA → BCN Jul 19, 08:25 UTCJul 19, 10:05 UTC1h 40m
2026-07-18 DLH81J FRA → CDG Jul 18, 16:35 UTCJul 18, 18:40 UTC2h 5m
2026-07-18 DLH66T - Jul 18, 13:05 UTCJul 18, 15:15 UTC2h 10m
2026-07-18 DLH6PJ HAM → FRA Jul 18, 10:20 UTCJul 18, 11:10 UTC50m
2026-07-18 DLH1VR FRA → HAM Jul 18, 08:10 UTCJul 18, 08:55 UTC45m
2026-07-18 DLH1JT - Jul 18, 03:30 UTCJul 18, 05:35 UTC2h 5m
2026-07-17 DLH1UT MAN → MUC Jul 17, 18:34 UTCJul 17, 20:29 UTC1h 55m
2026-07-17 DLH37F - Jul 17, 14:44 UTCJul 17, 16:29 UTC1h 45m
2026-07-17 DLH99F - Jul 17, 11:20 UTCJul 17, 13:10 UTC1h 50m
2026-07-17 DLH6EN CPH → FRA Jul 17, 08:20 UTCJul 17, 09:25 UTC1h 5m
2026-07-17 DLH4HK - Jul 17, 06:10 UTCJul 17, 07:05 UTC55m
2026-07-17 DLH7P PRG → FRA Jul 17, 04:14 UTCJul 17, 04:54 UTC40m
2026-07-16 DLH5XY ARN → FRA Jul 16, 20:49 UTCJul 16, 21:30 UTC40m
2026-07-16 DLH6YJ MXP → FRA Jul 16, 18:34 UTCJul 16, 19:25 UTC50m
2026-07-16 DLH2FF FRA → MXP Jul 16, 15:00 UTCJul 16, 15:55 UTC55m
2026-07-16 DLH6HH - Jul 16, 12:20 UTCJul 16, 13:25 UTC1h 5m
2026-07-16 DLH2LN - Jul 16, 10:10 UTCJul 16, 11:10 UTC1h 0m
2026-07-16 DLH81H MAD → FRA Jul 16, 06:45 UTCJul 16, 08:35 UTC1h 50m
2026-07-15 DLH67K - Jul 15, 20:00 UTCJul 15, 22:10 UTC2h 10m
2026-07-15 DLH195 - Jul 15, 17:05 UTCJul 15, 17:55 UTC50m
2026-07-15 DLH194 FRA → BER Jul 15, 15:00 UTCJul 15, 15:40 UTC40m
2026-07-15 DLH3RK MLA → FRA Jul 15, 11:15 UTCJul 15, 13:35 UTC2h 20m
2026-07-15 DLH4WE FRA → MLA Jul 15, 07:55 UTCJul 15, 10:00 UTC2h 5m
2026-07-14 DLH1455 - Jul 14, 12:55 UTCJul 14, 14:45 UTC1h 50m
2026-07-14 DLH1454 - Jul 14, 09:35 UTCJul 14, 11:05 UTC1h 30m
2026-07-14 DLH92J OPO → FRA Jul 14, 05:10 UTCJul 14, 07:20 UTC2h 10m
2026-07-13 DLH44C FRA → OPO Jul 13, 19:30 UTCJul 13, 21:55 UTC2h 25m
2026-07-13 DLH44K - Jul 13, 15:50 UTCJul 13, 17:40 UTC1h 50m
2026-07-13 DLH14C FRA → MAD Jul 13, 11:45 UTCJul 13, 13:55 UTC2h 10m
2026-07-13 DLH6EN CPH → FRA Jul 13, 08:55 UTCJul 13, 10:05 UTC1h 10m

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

Mode-S 3C664E frequently asked

What is Mode-S code 3C664E?
3C664E is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-AIRN.
Where is Mode-S 3C664E registered?
Mode-S code 3C664E is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3C664E broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 20:05 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3C664E, octal 17063116, decimal 3,958,350.
What flights does 3C664E operate?
Mode-S 3C664E has broadcast 20 distinct callsigns, including DLH5RM, DLH980, DLH78H, DLH26C, DLH11Y.