Apparatus

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sensors Mode-S transponder

3C648B

ICAO 24-bit transponder address · allocated to Germany

Currently assigned to D-AIDK · AIRBUS A-321

Hex
3C648B
Octal
17062213
Decimal
3,957,899
Country
DE
Tail
D-AIDK
Type
A321
Broadcasting now · callsign DLH83T · 31,000 ft
Flights observed
418
Distinct callsigns
20
Country
DE
Last broadcast
19m ago

Current position

3C648B is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 3C648B 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
DLH84H - 6 2026-06-27
DLH62F - 6 2026-07-13
DLH12K - 6 2026-07-13
DLH3HH - 5 2026-06-13
DLH21A - 5 2026-06-27
DLH85K Lufthansa 4 2026-06-10
DLH821 Lufthansa 4 2026-05-06
DLH7FL Lufthansa 4 2026-06-13
DLH7CE Lufthansa 4 2026-05-05
DLH6PJ - 4 2026-07-14
DLH206 Lufthansa 4 2026-05-31
DLH1VR - 4 2026-07-14
DLH9MN Lufthansa 3 2026-05-25
DLH99Y - 3 2026-07-08
DLH980 - 3 2026-06-24
DLH92J Lufthansa 3 2026-05-15
DLH8VR - 3 2026-07-11
DLH8AH - 3 2026-07-13
DLH6VR Lufthansa 3 2026-05-25
DLH6TV - 3 2026-06-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 DLH83T - Jul 14, 12:35 UTCJul 14, 12:45 UTC10m
2026-07-14 DLH6PJ HAM → FRA Jul 14, 10:15 UTCJul 14, 11:05 UTC50m
2026-07-14 DLH1VR FRA → HAM Jul 14, 08:20 UTCJul 14, 09:00 UTC40m
2026-07-14 DLH3HP MLA → FRA Jul 14, 04:20 UTCJul 14, 06:50 UTC2h 30m
2026-07-13 DLH8AH FRA → MLA Jul 13, 18:45 UTCJul 13, 20:50 UTC2h 5m
2026-07-13 DLH12K - Jul 13, 15:25 UTCJul 13, 17:05 UTC1h 40m
2026-07-13 DLH62F FRA → BCN Jul 13, 12:30 UTCJul 13, 14:15 UTC1h 45m
2026-07-13 DLH9KK - Jul 13, 10:00 UTCJul 13, 10:50 UTC50m
2026-07-13 DLH3WU FRA → BER Jul 13, 08:01 UTCJul 13, 08:40 UTC40m
2026-07-13 DLH035 - Jul 13, 05:35 UTCJul 13, 06:25 UTC50m
2026-07-12 DLH1WL FRA → HAM Jul 12, 19:30 UTCJul 12, 20:10 UTC40m
2026-07-12 DLH687 TLV → FRA Jul 12, 13:50 UTCJul 12, 17:50 UTC4h 0m
2026-07-12 DLH686 FRA → TLV Jul 12, 08:40 UTCJul 12, 12:15 UTC3h 35m
2026-07-12 DLH1457 - Jul 12, 04:55 UTCJul 12, 06:45 UTC1h 50m
2026-07-11 DLH1456 - Jul 11, 20:05 UTCJul 11, 21:30 UTC1h 25m
2026-07-11 DLH66M - Jul 11, 17:20 UTCJul 11, 18:05 UTC45m
2026-07-11 DLH05K FRA → SZG Jul 11, 15:40 UTCJul 11, 16:20 UTC40m
2026-07-11 DLH8VR - Jul 11, 13:10 UTCJul 11, 14:15 UTC1h 5m
2026-07-11 DLH6KL - Jul 11, 11:05 UTCJul 11, 12:10 UTC1h 5m
2026-07-11 DLH6EN CPH → FRA Jul 11, 08:30 UTCJul 11, 09:35 UTC1h 5m
2026-07-11 DLH4HK FRA → CPH Jul 11, 06:15 UTCJul 11, 07:20 UTC1h 5m
2026-07-10 DLH963 EDI → FRA Jul 10, 17:45 UTCJul 10, 19:10 UTC1h 25m
2026-07-10 DLH2XH FRA → EDI Jul 10, 14:55 UTCJul 10, 16:25 UTC1h 30m
2026-07-10 DLH46P - Jul 10, 12:35 UTCJul 10, 13:25 UTC50m
2026-07-10 DLH06J FRA → SZG Jul 10, 11:00 UTCJul 10, 11:40 UTC40m
2026-07-10 DLH175 BER → FRA Jul 10, 07:55 UTCJul 10, 08:45 UTC50m
2026-07-10 DLH174 FRA → BER Jul 10, 06:00 UTCJul 10, 06:45 UTC45m
2026-07-09 DLH583 - Jul 9, 13:40 UTCJul 9, 17:45 UTC4h 5m
2026-07-09 DLH582 - Jul 9, 08:45 UTCJul 9, 12:00 UTC3h 15m
2026-07-09 DLH1561 - Jul 9, 01:05 UTCJul 9, 05:05 UTC4h 0m
2026-07-08 DLH1560 - Jul 8, 19:25 UTCJul 8, 22:45 UTC3h 20m
2026-07-08 DLH5CW LEJ → FRA Jul 8, 17:05 UTCJul 8, 17:40 UTC35m
2026-07-08 DLH7AC FRA → LEJ Jul 8, 15:25 UTCJul 8, 16:05 UTC40m
2026-07-08 DLH9MH BER → FRA Jul 8, 12:00 UTCJul 8, 12:40 UTC40m
2026-07-08 DLH2HH FRA → BER Jul 8, 10:10 UTCJul 8, 11:00 UTC50m
2026-07-08 DLH99Y - Jul 8, 06:15 UTCJul 8, 08:50 UTC2h 35m
2026-07-07 DLH23C FRA → LIS Jul 7, 19:40 UTCJul 7, 22:20 UTC2h 40m
2026-07-07 DLH2PV - Jul 7, 17:10 UTCJul 7, 17:55 UTC45m
2026-07-07 DLH4XK - Jul 7, 15:10 UTCJul 7, 16:00 UTC50m
2026-07-07 DLH6MM BER → FRA Jul 7, 12:55 UTCJul 7, 13:40 UTC45m
2026-07-07 DLH2NE FRA → BER Jul 7, 11:05 UTCJul 7, 11:55 UTC50m
2026-07-07 DLH2J - Jul 7, 08:55 UTCJul 7, 09:50 UTC55m
2026-07-07 DLH63K FRA → CDG Jul 7, 06:40 UTCJul 7, 07:30 UTC50m
2026-07-07 DLH6EJ - Jul 7, 04:20 UTCJul 7, 05:20 UTC1h 0m
2026-07-06 DLH4KW FRA → BLL Jul 6, 20:10 UTCJul 6, 21:15 UTC1h 5m
2026-07-06 DLH3RL - Jul 6, 16:20 UTCJul 6, 18:25 UTC2h 5m
2026-07-06 DLH7PL FRA → SOF Jul 6, 13:35 UTCJul 6, 15:20 UTC1h 45m
2026-07-06 DLH6EJ - Jul 6, 04:20 UTCJul 6, 05:15 UTC55m
2026-07-05 DLH4KW - Jul 5, 20:40 UTCJul 5, 21:45 UTC1h 5m
2026-07-05 DLH3HT - Jul 5, 17:30 UTCJul 5, 18:30 UTC1h 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-AIDK page for operator, model, and routing details .

Mode-S 3C648B frequently asked

What is Mode-S code 3C648B?
3C648B is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-AIDK.
Where is Mode-S 3C648B registered?
Mode-S code 3C648B is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3C648B broadcasting right now?
Yes. Mode-S 3C648B is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3C648B, octal 17062213, decimal 3,957,899.
What flights does 3C648B operate?
Mode-S 3C648B has broadcast 20 distinct callsigns, including DLH84H, DLH62F, DLH12K, DLH3HH, DLH21A.