Apparatus

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sensors Mode-S transponder

3DFA56

ICAO 24-bit transponder address · allocated to Germany

Hex
3DFA56
Octal
17375126
Decimal
4,061,782
Country
DE
No current signal · last broadcast 27d ago
Flights observed
43
Distinct callsigns
1
Country
DE
Last broadcast
27d ago

Last known position

Most recent position reported by Mode-S 3DFA56.

Country allocation

The ICAO 24-bit address 3DFA56 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
EDL1 - 43 2026-07-26

Recent flights last 43

DateFlightRouteTakeoffLandingDuration
2026-07-26 EDL1 - Jul 26, 21:10 UTCJul 26, 21:25 UTC15m
2026-07-26 EDL1 - Jul 26, 17:40 UTCJul 26, 19:10 UTC1h 30m
2026-07-26 EDL1 - Jul 26, 09:15 UTCJul 26, 09:55 UTC40m
2026-07-25 EDL1 - Jul 25, 20:30 UTCJul 25, 21:50 UTC1h 20m
2026-07-24 EDL1 - Jul 24, 20:10 UTCJul 24, 21:25 UTC1h 15m
2026-07-23 EDL1 MUC → MUC Jul 23, 20:55 UTCJul 23, 23:15 UTC2h 20m
2026-07-23 EDL1 - Jul 23, 10:45 UTCJul 23, 11:30 UTC45m
2026-07-23 EDL1 - Jul 23, 08:30 UTCJul 23, 10:05 UTC1h 35m
2026-07-21 EDL1 - Jul 21, 22:40 UTCJul 21, 23:40 UTC1h 0m
2026-07-21 EDL1 - Jul 21, 18:50 UTCJul 21, 19:50 UTC1h 0m
2026-07-21 EDL1 MUC → MUC Jul 21, 14:35 UTCJul 21, 16:10 UTC1h 35m
2026-07-20 EDL1 MUC → MUC Jul 20, 22:50 UTCJul 20, 23:30 UTC40m
2026-07-20 EDL1 - Jul 20, 20:35 UTCJul 20, 21:40 UTC1h 5m
2026-07-20 EDL1 MUC → MUC Jul 20, 11:05 UTCJul 20, 11:25 UTC20m
2026-07-20 EDL1 - Jul 20, 03:20 UTCJul 20, 04:05 UTC45m
2026-07-19 EDL1 - Jul 19, 10:25 UTCJul 19, 10:45 UTC20m
2026-07-19 EDL1 - Jul 19, 07:55 UTCJul 19, 09:05 UTC1h 10m
2026-07-18 EDL1 - Jul 18, 20:15 UTCJul 18, 21:10 UTC55m
2026-07-17 EDL1 - Jul 17, 22:49 UTCJul 18, 00:00 UTC1h 10m
2026-07-17 EDL1 - Jul 17, 18:05 UTCJul 17, 21:50 UTC3h 45m
2026-07-17 EDL1 - Jul 17, 13:35 UTCJul 17, 14:04 UTC30m
2026-07-17 EDL1 - Jul 17, 12:25 UTCJul 17, 12:40 UTC15m
2026-07-17 EDL1 - Jul 17, 07:44 UTCJul 17, 09:04 UTC1h 20m
2026-07-16 EDL1 RBM → MUC Jul 16, 12:44 UTCJul 16, 13:34 UTC50m
2026-07-16 EDL1 - Jul 16, 11:10 UTCJul 16, 12:20 UTC1h 10m
2026-07-12 EDL1 - Jul 12, 18:40 UTCJul 12, 19:20 UTC40m
2026-07-12 EDL1 - Jul 12, 14:45 UTCJul 12, 17:01 UTC2h 15m
2026-07-12 EDL1 - Jul 12, 05:45 UTCJul 12, 06:45 UTC1h 0m
2026-07-11 EDL1 MUC → MUC Jul 11, 22:40 UTCJul 12, 00:30 UTC1h 50m
2026-07-11 EDL1 - Jul 11, 13:30 UTCJul 11, 13:50 UTC20m
2026-07-11 EDL1 - Jul 11, 11:10 UTCJul 11, 12:45 UTC1h 35m
2026-07-11 EDL1 - Jul 11, 00:10 UTCJul 11, 01:00 UTC50m
2026-07-10 EDL1 RBM → MUC Jul 10, 10:40 UTCJul 10, 12:35 UTC1h 55m
2026-07-10 EDL1 MUC → RBM Jul 10, 08:35 UTCJul 10, 10:10 UTC1h 35m
2026-07-09 EDL1 - Jul 9, 22:15 UTCJul 10, 00:05 UTC1h 50m
2026-07-09 EDL1 - Jul 9, 12:30 UTCJul 9, 13:20 UTC50m
2026-07-09 EDL1 - Jul 9, 07:05 UTCJul 9, 07:50 UTC45m
2026-07-09 EDL1 MUC → MUC Jul 9, 05:50 UTCJul 9, 06:20 UTC30m
2026-07-08 EDL1 MUC → MUC Jul 8, 20:05 UTCJul 8, 21:55 UTC1h 50m
2026-07-08 EDL1 - Jul 8, 14:20 UTCJul 8, 14:45 UTC25m
2026-07-08 EDL1 - Jul 8, 12:50 UTCJul 8, 13:00 UTC10m
2026-07-08 EDL1 - Jul 8, 11:15 UTCJul 8, 12:10 UTC55m
2026-06-23 EDL1 - Jun 23, 09:59 UTCJun 23, 10:44 UTC45m

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 3DFA56 frequently asked

What is Mode-S code 3DFA56?
3DFA56 is an ICAO 24-bit transponder address. Allocated to Germany.
Where is Mode-S 3DFA56 registered?
Mode-S code 3DFA56 is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3DFA56 broadcasting right now?
No active broadcast right now. Last signal was 27d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3DFA56, octal 17375126, decimal 4,061,782.
What flights does 3DFA56 operate?
Mode-S 3DFA56 has broadcast 1 distinct callsign, including EDL1.