Apparatus

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sensors Mode-S transponder

3D102B

ICAO 24-bit transponder address · allocated to Germany

Currently assigned to D-EEJJ · CESSNA 172 Skyhawk

Hex
3D102B
Octal
17210053
Decimal
4,001,835
Country
DE
Tail
D-EEJJ
Type
C172
No current signal · last broadcast 10h ago
Flights observed
47
Distinct callsigns
1
Country
DE
Last broadcast
10h ago

Last known position

Most recent position reported by Mode-S 3D102B.

Country allocation

The ICAO 24-bit address 3D102B 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
DEEJJ - 47 2026-06-02

Recent flights last 47

DateFlightRouteTakeoffLandingDuration
2026-06-02 DEEJJ - Jun 2, 15:40 UTCJun 2, 16:40 UTC1h 0m
2026-05-30 DEEJJ - May 30, 17:15 UTCMay 30, 18:05 UTC50m
2026-05-30 DEEJJ - May 30, 13:40 UTCMay 30, 14:25 UTC45m
2026-05-30 DEEJJ - May 30, 11:45 UTCMay 30, 12:40 UTC55m
2026-05-21 DEEJJ - May 21, 12:20 UTCMay 21, 12:50 UTC30m
2026-05-20 DEEJJ - May 20, 13:50 UTCMay 20, 14:25 UTC35m
2026-05-20 DEEJJ - May 20, 12:45 UTCMay 20, 13:20 UTC35m
2026-05-20 DEEJJ - May 20, 10:15 UTCMay 20, 10:30 UTC15m
2026-05-19 DEEJJ - May 19, 13:55 UTCMay 19, 15:15 UTC1h 20m
2026-05-19 DEEJJ - May 19, 11:15 UTCMay 19, 12:50 UTC1h 35m
2026-05-19 DEEJJ - May 19, 07:05 UTCMay 19, 07:55 UTC50m
2026-05-18 DEEJJ - May 18, 13:50 UTCMay 18, 14:15 UTC25m
2026-05-18 DEEJJ - May 18, 12:00 UTCMay 18, 13:10 UTC1h 10m
2026-05-18 DEEJJ - May 18, 09:05 UTCMay 18, 09:15 UTC10m
2026-05-17 DEEJJ - May 17, 15:05 UTCMay 17, 15:50 UTC45m
2026-05-17 DEEJJ - May 17, 13:55 UTCMay 17, 14:05 UTC10m
2026-05-17 DEEJJ - May 17, 12:45 UTCMay 17, 13:01 UTC15m
2026-05-17 DEEJJ - May 17, 11:40 UTCMay 17, 12:05 UTC25m
2026-05-16 DEEJJ - May 16, 15:25 UTCMay 16, 16:05 UTC40m
2026-05-16 DEEJJ - May 16, 14:01 UTCMay 16, 14:16 UTC15m
2026-05-16 DEEJJ - May 16, 13:05 UTCMay 16, 13:25 UTC20m
2026-05-15 DEEJJ - May 15, 10:20 UTCMay 15, 11:00 UTC40m
2026-05-14 DEEJJ - May 14, 15:45 UTCMay 14, 16:20 UTC35m
2026-05-14 DEEJJ - May 14, 12:25 UTCMay 14, 13:01 UTC35m
2026-05-09 DEEJJ - May 9, 10:00 UTCMay 9, 10:35 UTC35m
2026-05-02 DEEJJ - May 2, 17:05 UTCMay 2, 18:40 UTC1h 35m
2026-05-01 DEEJJ - May 1, 09:35 UTCMay 1, 10:55 UTC1h 20m
2026-04-29 DEEJJ - Apr 29, 18:05 UTCApr 29, 18:50 UTC45m
2026-04-29 DEEJJ - Apr 29, 15:30 UTCApr 29, 16:45 UTC1h 15m
2026-04-28 DEEJJ - Apr 28, 16:50 UTCApr 28, 17:50 UTC1h 0m
2026-04-28 DEEJJ - Apr 28, 16:20 UTCApr 28, 16:45 UTC25m
2026-04-27 DEEJJ HAM → HAM Apr 27, 15:00 UTCApr 27, 16:15 UTC1h 15m
2026-04-24 DEEJJ - Apr 24, 14:20 UTCApr 24, 14:40 UTC20m
2026-04-23 DEEJJ HAM → HAM Apr 23, 15:50 UTCApr 23, 16:55 UTC1h 5m
2026-04-22 DEEJJ HAM → HAM Apr 22, 16:30 UTCApr 22, 17:45 UTC1h 15m
2026-04-22 DEEJJ HAM → HAM Apr 22, 12:35 UTCApr 22, 13:30 UTC55m
2026-04-21 DEEJJ - Apr 21, 09:50 UTCApr 21, 11:05 UTC1h 15m
2026-04-21 DEEJJ - Apr 21, 07:55 UTCApr 21, 08:55 UTC1h 0m
2026-04-18 DEEJJ - Apr 18, 13:05 UTCApr 18, 13:20 UTC15m
2026-04-18 DEEJJ - Apr 18, 11:00 UTCApr 18, 11:15 UTC15m
2026-04-18 DEEJJ - Apr 18, 09:25 UTCApr 18, 10:15 UTC50m
2026-04-17 DEEJJ - Apr 17, 17:35 UTCApr 17, 18:10 UTC35m
2026-04-17 DEEJJ - Apr 17, 07:20 UTCApr 17, 07:40 UTC20m
2026-04-17 DEEJJ - Apr 17, 07:05 UTCApr 17, 07:15 UTC10m
2026-04-15 DEEJJ - Apr 15, 13:05 UTCApr 15, 14:01 UTC55m
2026-04-14 DEEJJ - Apr 14, 12:05 UTCApr 14, 12:20 UTC15m
2026-04-13 DEEJJ - Apr 13, 11:15 UTCApr 13, 12:00 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.

Prefer a tail-number view? See the D-EEJJ page for operator, model, and routing details .

Mode-S 3D102B frequently asked

What is Mode-S code 3D102B?
3D102B is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-EEJJ.
Where is Mode-S 3D102B registered?
Mode-S code 3D102B is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3D102B broadcasting right now?
No active broadcast right now. Last signal was 10h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3D102B, octal 17210053, decimal 4,001,835.
What flights does 3D102B operate?
Mode-S 3D102B has broadcast 1 distinct callsign, including DEEJJ.