Apparatus

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sensors Mode-S transponder

3C64AC

ICAO 24-bit transponder address · allocated to Germany

Currently assigned to D-AIEL · AIRBUS A-321neo

Hex
3C64AC
Octal
17062254
Decimal
3,957,932
Country
DE
Tail
D-AIEL
Type
A21N
No current signal · last broadcast 1h ago
Flights observed
423
Distinct callsigns
20
Country
DE
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 3C64AC.

Country allocation

The ICAO 24-bit address 3C64AC 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
DLH6UP - 6 2026-07-11
DLH6TV - 6 2026-07-10
DLH4PP - 6 2026-07-11
DLH3RJ - 6 2026-07-11
DLH92J Lufthansa 5 2026-06-11
DLH585 - 5 2026-07-13
DLH584 - 5 2026-07-12
DLH44C Lufthansa 5 2026-06-10
DLH2FL Lufthansa 5 2026-04-24
DLH847 - 4 2026-07-07
DLH691 - 4 2026-07-12
DLH5AE Lufthansa 4 2026-04-23
DLH4UA - 4 2026-07-06
DLH39X - 4 2026-07-13
DLH35M - 4 2026-07-13
DLH2CF - 4 2026-07-04
DLH1TV - 4 2026-07-03
DLH9WT - 3 2026-06-28
DLH98C - 3 2026-07-07
DLH965 - 3 2026-07-10

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 DLH9C ZRH → FRA Jul 14, 09:55 UTCJul 14, 10:35 UTC40m
2026-07-14 DLH1KJ FRA → ZRH Jul 14, 08:10 UTCJul 14, 08:50 UTC40m
2026-07-14 DLH1305 - Jul 14, 03:25 UTCJul 14, 06:05 UTC2h 40m
2026-07-13 DLH1304 - Jul 13, 16:30 UTCJul 13, 18:45 UTC2h 15m
2026-07-13 DLH35M LIS → FRA Jul 13, 12:45 UTCJul 13, 15:00 UTC2h 15m
2026-07-13 DLH39X FRA → LIS Jul 13, 08:05 UTCJul 13, 10:55 UTC2h 50m
2026-07-13 DLH585 - Jul 13, 02:15 UTCJul 13, 06:15 UTC4h 0m
2026-07-12 DLH584 - Jul 12, 20:40 UTCJul 13, 00:20 UTC3h 40m
2026-07-12 DLH05E OPO → FRA Jul 12, 16:15 UTCJul 12, 18:25 UTC2h 10m
2026-07-12 DLH83T FRA → OPO Jul 12, 12:10 UTCJul 12, 14:45 UTC2h 35m
2026-07-12 DLH32K - Jul 12, 08:45 UTCJul 12, 10:20 UTC1h 35m
2026-07-12 DLH52F FRA → BCN Jul 12, 06:01 UTCJul 12, 07:35 UTC1h 35m
2026-07-12 DLH691 ATH → FRA Jul 12, 01:05 UTCJul 12, 03:45 UTC2h 40m
2026-07-11 DLH691 TLV → ATH Jul 11, 22:15 UTCJul 11, 23:50 UTC1h 35m
2026-07-11 DLH690 FRA → TLV Jul 11, 16:35 UTCJul 11, 20:20 UTC3h 45m
2026-07-11 DLH6UP ATH → FRA Jul 11, 12:30 UTCJul 11, 14:55 UTC2h 25m
2026-07-11 DLH4PP FRA → ATH Jul 11, 08:15 UTCJul 11, 10:35 UTC2h 20m
2026-07-11 DLH3RJ ATH → FRA Jul 11, 04:05 UTCJul 11, 06:40 UTC2h 35m
2026-07-10 DLH6TV FRA → ATH Jul 10, 15:40 UTCJul 10, 17:55 UTC2h 15m
2026-07-10 DLH1RE TLL → FRA Jul 10, 11:30 UTCJul 10, 13:30 UTC2h 0m
2026-07-10 DLH880 FRA → TLL Jul 10, 08:25 UTCJul 10, 10:25 UTC2h 0m
2026-07-10 DLH965 EDI → FRA Jul 10, 05:25 UTCJul 10, 06:55 UTC1h 30m
2026-07-09 DLH5EL FRA → EDI Jul 9, 20:20 UTCJul 9, 21:50 UTC1h 30m
2026-07-09 DLH62A - Jul 9, 16:00 UTCJul 9, 18:25 UTC2h 25m
2026-07-09 DLH79E - Jul 9, 12:20 UTCJul 9, 14:45 UTC2h 25m
2026-07-09 DLH32K BCN → FRA Jul 9, 08:35 UTCJul 9, 10:30 UTC1h 55m
2026-07-09 DLH52F FRA → BCN Jul 9, 05:55 UTCJul 9, 07:25 UTC1h 30m
2026-07-08 DLH99M ALC → FRA Jul 8, 16:00 UTCJul 8, 18:15 UTC2h 15m
2026-07-08 DLH93V FRA → ALC Jul 8, 12:20 UTCJul 8, 14:30 UTC2h 10m
2026-07-08 DLH8WE HAM → FRA Jul 8, 09:30 UTCJul 8, 10:10 UTC40m
2026-07-08 DLH010 FRA → HAM Jul 8, 07:25 UTCJul 8, 08:10 UTC45m
2026-07-08 DLH885 TLL → FRA Jul 8, 03:20 UTCJul 8, 05:15 UTC1h 55m
2026-07-07 DLH884 FRA → TLL Jul 7, 19:25 UTCJul 7, 21:20 UTC1h 55m
2026-07-07 DLH8NE - Jul 7, 17:10 UTCJul 7, 17:45 UTC35m
2026-07-07 DLH4RP - Jul 7, 15:00 UTCJul 7, 15:40 UTC40m
2026-07-07 DLH77X - Jul 7, 10:40 UTCJul 7, 13:15 UTC2h 35m
2026-07-07 DLH98C FRA → SVQ Jul 7, 06:55 UTCJul 7, 09:20 UTC2h 25m
2026-07-07 DLH847 KEF → FRA Jul 7, 01:15 UTCJul 7, 03:55 UTC2h 40m
2026-07-06 DLH4UA FRA → KEF Jul 6, 20:20 UTCJul 6, 23:50 UTC3h 30m
2026-07-06 DLH687 TLV → FRA Jul 6, 14:35 UTCJul 6, 18:30 UTC3h 55m
2026-07-06 DLH686 FRA → TLV Jul 6, 08:45 UTCJul 6, 12:20 UTC3h 35m
2026-07-06 DLH585 - Jul 6, 02:15 UTCJul 6, 06:00 UTC3h 45m
2026-07-05 DLH584 - Jul 5, 20:15 UTCJul 5, 23:35 UTC3h 20m
2026-07-05 DLH42Y LIS → FRA Jul 5, 15:55 UTCJul 5, 18:25 UTC2h 30m
2026-07-05 DLH03H FRA → LIS Jul 5, 11:45 UTCJul 5, 14:20 UTC2h 35m
2026-07-05 DLH4LX OSL → FRA Jul 5, 08:00 UTCJul 5, 09:35 UTC1h 35m
2026-07-05 DLH8CK FRA → OSL Jul 5, 05:15 UTCJul 5, 06:55 UTC1h 40m
2026-07-04 DLH687 TLV → FRA Jul 4, 14:05 UTCJul 4, 18:05 UTC4h 0m
2026-07-04 DLH686 FRA → TLV Jul 4, 09:10 UTCJul 4, 12:40 UTC3h 30m
2026-07-04 DLH2CF - Jul 4, 03:55 UTCJul 4, 05:55 UTC2h 0m

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

Mode-S 3C64AC frequently asked

What is Mode-S code 3C64AC?
3C64AC is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-AIEL.
Where is Mode-S 3C64AC registered?
Mode-S code 3C64AC is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3C64AC broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3C64AC, octal 17062254, decimal 3,957,932.
What flights does 3C64AC operate?
Mode-S 3C64AC has broadcast 20 distinct callsigns, including DLH6UP, DLH6TV, DLH4PP, DLH3RJ, DLH92J.