Apparatus

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sensors Mode-S transponder

3DDA97

ICAO 24-bit transponder address · allocated to Germany

Currently assigned to D-HDAL

Hex
3DDA97
Octal
17355227
Decimal
4,053,655
Country
DE
Tail
D-HDAL
Type
R44
No current signal · last broadcast Jul 25, 10:10 UTC
Flights observed
161
Distinct callsigns
1
Country
DE
Last broadcast
Jul 25, 10:10 UTC

Last known position

Most recent position reported by Mode-S 3DDA97.

Country allocation

The ICAO 24-bit address 3DDA97 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 1 distinct

Callsign Airline Flights Last seen
DHDAL - 161 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 DHDAL - Jul 25, 08:50 UTCJul 25, 10:05 UTC1h 15m
2026-07-24 DHDAL - Jul 24, 12:50 UTCJul 24, 13:10 UTC20m
2026-07-24 DHDAL - Jul 24, 08:15 UTCJul 24, 08:25 UTC10m
2026-07-24 DHDAL - Jul 24, 07:55 UTCJul 24, 08:00 UTC5m
2026-07-22 DHDAL - Jul 22, 13:20 UTCJul 22, 15:35 UTC2h 15m
2026-07-22 DHDAL - Jul 22, 11:10 UTCJul 22, 12:40 UTC1h 30m
2026-07-21 DHDAL - Jul 21, 14:35 UTCJul 21, 16:45 UTC2h 10m
2026-07-21 DHDAL - Jul 21, 13:10 UTCJul 21, 13:40 UTC30m
2026-07-21 DHDAL - Jul 21, 11:10 UTCJul 21, 11:45 UTC35m
2026-07-21 DHDAL - Jul 21, 08:10 UTCJul 21, 10:25 UTC2h 15m
2026-07-20 DHDAL - Jul 20, 12:30 UTCJul 20, 14:35 UTC2h 5m
2026-07-20 DHDAL - Jul 20, 09:00 UTCJul 20, 11:45 UTC2h 45m
2026-07-20 DHDAL - Jul 20, 07:25 UTCJul 20, 08:35 UTC1h 10m
2026-07-16 DHDAL - Jul 16, 13:40 UTCJul 16, 13:49 UTC10m
2026-07-16 DHDAL - Jul 16, 13:20 UTCJul 16, 13:34 UTC15m
2026-07-16 DHDAL - Jul 16, 11:05 UTCJul 16, 12:05 UTC1h 0m
2026-07-16 DHDAL - Jul 16, 09:30 UTCJul 16, 09:40 UTC10m
2026-07-16 DHDAL - Jul 16, 08:20 UTCJul 16, 09:15 UTC55m
2026-07-15 DHDAL - Jul 15, 13:00 UTCJul 15, 14:30 UTC1h 30m
2026-07-15 DHDAL - Jul 15, 12:00 UTCJul 15, 12:30 UTC30m
2026-07-15 DHDAL - Jul 15, 10:50 UTCJul 15, 11:20 UTC30m
2026-07-15 DHDAL - Jul 15, 06:40 UTCJul 15, 09:25 UTC2h 45m
2026-07-14 DHDAL - Jul 14, 15:00 UTCJul 14, 15:35 UTC35m
2026-07-14 DHDAL - Jul 14, 11:15 UTCJul 14, 14:20 UTC3h 5m
2026-07-14 DHDAL - Jul 14, 07:00 UTCJul 14, 10:00 UTC3h 0m
2026-07-13 DHDAL - Jul 13, 07:50 UTCJul 13, 10:45 UTC2h 55m
2026-07-10 DHDAL - Jul 10, 09:30 UTCJul 10, 10:20 UTC50m
2026-07-10 DHDAL - Jul 10, 07:15 UTCJul 10, 09:05 UTC1h 50m
2026-07-09 DHDAL - Jul 9, 12:20 UTCJul 9, 14:00 UTC1h 40m
2026-07-09 DHDAL - Jul 9, 09:50 UTCJul 9, 11:05 UTC1h 15m
2026-07-09 DHDAL - Jul 9, 07:15 UTCJul 9, 09:10 UTC1h 55m
2026-07-08 DHDAL MHG → IGS Jul 8, 10:05 UTCJul 8, 12:30 UTC2h 25m
2026-07-08 DHDAL - Jul 8, 07:05 UTCJul 8, 09:30 UTC2h 25m
2026-07-07 DHDAL - Jul 7, 13:20 UTCJul 7, 15:55 UTC2h 35m
2026-07-07 DHDAL - Jul 7, 12:25 UTCJul 7, 12:45 UTC20m
2026-07-07 DHDAL - Jul 7, 10:15 UTCJul 7, 11:15 UTC1h 0m
2026-07-07 DHDAL - Jul 7, 08:55 UTCJul 7, 09:10 UTC15m
2026-07-03 DHDAL - Jul 3, 09:45 UTCJul 3, 10:15 UTC30m
2026-07-02 DHDAL - Jul 2, 14:05 UTCJul 2, 14:25 UTC20m
2026-07-02 DHDAL - Jul 2, 13:00 UTCJul 2, 13:50 UTC50m
2026-07-02 DHDAL - Jul 2, 09:50 UTCJul 2, 10:05 UTC15m
2026-07-02 DHDAL - Jul 2, 09:25 UTCJul 2, 09:35 UTC10m
2026-07-02 DHDAL - Jul 2, 08:40 UTCJul 2, 09:20 UTC40m
2026-07-01 DHDAL - Jul 1, 10:35 UTCJul 1, 10:45 UTC10m
2026-07-01 DHDAL - Jul 1, 10:20 UTCJul 1, 10:30 UTC10m
2026-07-01 DHDAL - Jul 1, 09:45 UTCJul 1, 10:05 UTC20m
2026-07-01 DHDAL - Jul 1, 08:20 UTCJul 1, 08:25 UTC5m
2026-07-01 DHDAL - Jul 1, 08:00 UTCJul 1, 08:15 UTC15m
2026-07-01 DHDAL - Jul 1, 07:40 UTCJul 1, 07:55 UTC15m
2026-07-01 DHDAL - Jul 1, 07:20 UTCJul 1, 07:35 UTC15m

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

Mode-S 3DDA97 frequently asked

What is Mode-S code 3DDA97?
3DDA97 is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-HDAL.
Where is Mode-S 3DDA97 registered?
Mode-S code 3DDA97 is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3DDA97 broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 10:10 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3DDA97, octal 17355227, decimal 4,053,655.
What flights does 3DDA97 operate?
Mode-S 3DDA97 has broadcast 1 distinct callsign, including DHDAL.