Apparatus

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sensors Mode-S transponder

3E04D1

ICAO 24-bit transponder address · allocated to Germany

Hex
3E04D1
Octal
17402321
Decimal
4,064,465
Country
DE
Broadcasting now · callsign DHTAF · 1,575 ft
Flights observed
171
Distinct callsigns
1
Country
DE
Last broadcast
13h ago

Current position

3E04D1 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 3E04D1 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
DHTAF - 171 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 DHTAF - Jul 13, 16:30 UTCJul 13, 17:00 UTC30m
2026-07-13 DHTAF - Jul 13, 16:15 UTCJul 13, 16:25 UTC10m
2026-07-13 DHTAF - Jul 13, 13:45 UTCJul 13, 14:30 UTC45m
2026-07-13 DHTAF - Jul 13, 11:00 UTCJul 13, 11:40 UTC40m
2026-07-13 DHTAF - Jul 13, 07:55 UTCJul 13, 09:15 UTC1h 20m
2026-07-10 DHTAF - Jul 10, 11:40 UTCJul 10, 12:20 UTC40m
2026-07-10 DHTAF - Jul 10, 07:20 UTCJul 10, 08:35 UTC1h 15m
2026-07-09 DHTAF - Jul 9, 15:35 UTCJul 9, 16:05 UTC30m
2026-07-09 DHTAF - Jul 9, 13:25 UTCJul 9, 14:15 UTC50m
2026-07-09 DHTAF - Jul 9, 13:10 UTCJul 9, 13:20 UTC10m
2026-07-09 DHTAF - Jul 9, 11:25 UTCJul 9, 12:00 UTC35m
2026-07-09 DHTAF - Jul 9, 09:05 UTCJul 9, 10:10 UTC1h 5m
2026-07-09 DHTAF - Jul 9, 08:45 UTCJul 9, 09:00 UTC15m
2026-07-09 DHTAF - Jul 9, 07:05 UTCJul 9, 07:55 UTC50m
2026-07-09 DHTAF - Jul 9, 06:40 UTCJul 9, 06:50 UTC10m
2026-07-08 DHTAF - Jul 8, 14:20 UTCJul 8, 15:10 UTC50m
2026-07-08 DHTAF - Jul 8, 12:05 UTCJul 8, 13:00 UTC55m
2026-07-08 DHTAF - Jul 8, 09:40 UTCJul 8, 10:55 UTC1h 15m
2026-07-08 DHTAF - Jul 8, 07:25 UTCJul 8, 08:10 UTC45m
2026-07-07 DHTAF - Jul 7, 15:40 UTCJul 7, 17:10 UTC1h 30m
2026-07-07 DHTAF - Jul 7, 12:55 UTCJul 7, 14:10 UTC1h 15m
2026-07-06 DHTAF - Jul 6, 13:45 UTCJul 6, 15:35 UTC1h 50m
2026-07-06 DHTAF - Jul 6, 13:20 UTCJul 6, 13:40 UTC20m
2026-07-03 DHTAF - Jul 3, 13:35 UTCJul 3, 14:15 UTC40m
2026-07-03 DHTAF - Jul 3, 12:15 UTCJul 3, 13:10 UTC55m
2026-07-03 DHTAF - Jul 3, 09:45 UTCJul 3, 10:40 UTC55m
2026-07-03 DHTAF - Jul 3, 07:20 UTCJul 3, 08:35 UTC1h 15m
2026-07-01 DHTAF - Jul 1, 13:35 UTCJul 1, 14:40 UTC1h 5m
2026-07-01 DHTAF - Jul 1, 09:30 UTCJul 1, 10:45 UTC1h 15m
2026-06-29 DHTAF - Jun 29, 14:29 UTCJun 29, 14:39 UTC10m
2026-06-26 DHTAF - Jun 26, 12:55 UTCJun 26, 13:10 UTC15m
2026-06-26 DHTAF - Jun 26, 12:29 UTCJun 26, 12:50 UTC20m
2026-06-26 DHTAF - Jun 26, 09:35 UTCJun 26, 10:44 UTC1h 10m
2026-06-26 DHTAF - Jun 26, 06:29 UTCJun 26, 08:24 UTC1h 55m
2026-06-25 DHTAF - Jun 25, 12:10 UTCJun 25, 13:45 UTC1h 35m
2026-06-25 DHTAF - Jun 25, 11:39 UTCJun 25, 11:54 UTC15m
2026-06-25 DHTAF - Jun 25, 09:29 UTCJun 25, 10:45 UTC1h 15m
2026-06-25 DHTAF - Jun 25, 07:09 UTCJun 25, 08:20 UTC1h 10m
2026-06-24 DHTAF - Jun 24, 15:09 UTCJun 24, 15:59 UTC50m
2026-06-24 DHTAF - Jun 24, 13:30 UTCJun 24, 14:34 UTC1h 5m
2026-06-24 DHTAF - Jun 24, 09:39 UTCJun 24, 10:55 UTC1h 15m
2026-06-24 DHTAF - Jun 24, 07:24 UTCJun 24, 08:24 UTC1h 0m
2026-06-23 DHTAF - Jun 23, 13:09 UTCJun 23, 14:39 UTC1h 30m
2026-06-23 DHTAF - Jun 23, 11:35 UTCJun 23, 12:09 UTC35m
2026-06-23 DHTAF - Jun 23, 07:55 UTCJun 23, 10:29 UTC2h 35m
2026-06-22 DHTAF - Jun 22, 14:29 UTCJun 22, 16:24 UTC1h 55m
2026-06-22 DHTAF - Jun 22, 11:19 UTCJun 22, 13:44 UTC2h 25m
2026-06-22 DHTAF - Jun 22, 09:00 UTCJun 22, 09:45 UTC45m
2026-06-19 DHTAF - Jun 19, 11:30 UTCJun 19, 13:24 UTC1h 55m
2026-06-19 DHTAF - Jun 19, 09:09 UTCJun 19, 10:29 UTC1h 20m

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.

Mode-S 3E04D1 frequently asked

What is Mode-S code 3E04D1?
3E04D1 is an ICAO 24-bit transponder address. Allocated to Germany.
Where is Mode-S 3E04D1 registered?
Mode-S code 3E04D1 is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3E04D1 broadcasting right now?
Yes. Mode-S 3E04D1 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3E04D1, octal 17402321, decimal 4,064,465.
What flights does 3E04D1 operate?
Mode-S 3E04D1 has broadcast 1 distinct callsign, including DHTAF.