Apparatus

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sensors Mode-S transponder

3D1B19

ICAO 24-bit transponder address · allocated to Germany

Currently assigned to D-EIMZ · CESSNA 172 Skyhawk

Hex
3D1B19
Octal
17215431
Decimal
4,004,633
Country
DE
Tail
D-EIMZ
Type
C172
No current signal · last broadcast Jul 25, 15:10 UTC
Flights observed
141
Distinct callsigns
1
Country
DE
Last broadcast
Jul 25, 15:10 UTC

Last known position

Most recent position reported by Mode-S 3D1B19.

Country allocation

The ICAO 24-bit address 3D1B19 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
DEIMZ - 141 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 DEIMZ JUI → ESS Jul 25, 13:40 UTCJul 25, 15:10 UTC1h 30m
2026-07-25 DEIMZ ESS → JUI Jul 25, 05:55 UTCJul 25, 07:20 UTC1h 25m
2026-07-24 DEIMZ ESS → ESS Jul 24, 13:40 UTCJul 24, 16:10 UTC2h 30m
2026-07-23 DEIMZ ESS → ESS Jul 23, 08:50 UTCJul 23, 09:20 UTC30m
2026-07-22 DEIMZ ESS → ESS Jul 22, 15:40 UTCJul 22, 16:45 UTC1h 5m
2026-07-22 DEIMZ ESS → ESS Jul 22, 14:40 UTCJul 22, 15:35 UTC55m
2026-07-22 DEIMZ ESS → ESS Jul 22, 14:20 UTCJul 22, 14:35 UTC15m
2026-07-22 DEIMZ ESS → ESS Jul 22, 12:20 UTCJul 22, 13:25 UTC1h 5m
2026-07-22 DEIMZ - Jul 22, 11:10 UTCJul 22, 11:20 UTC10m
2026-07-21 DEIMZ - Jul 21, 17:30 UTCJul 21, 18:15 UTC45m
2026-07-20 DEIMZ ESS → ESS Jul 20, 15:30 UTCJul 20, 16:40 UTC1h 10m
2026-07-20 DEIMZ - Jul 20, 14:35 UTCJul 20, 14:45 UTC10m
2026-07-20 DEIMZ - Jul 20, 12:55 UTCJul 20, 13:15 UTC20m
2026-07-19 DEIMZ - Jul 19, 15:25 UTCJul 19, 15:35 UTC10m
2026-07-19 DEIMZ - Jul 19, 14:25 UTCJul 19, 14:40 UTC15m
2026-07-19 DEIMZ - Jul 19, 09:20 UTCJul 19, 10:05 UTC45m
2026-07-18 DEIMZ - Jul 18, 14:20 UTCJul 18, 15:25 UTC1h 5m
2026-07-18 DEIMZ - Jul 18, 11:55 UTCJul 18, 12:35 UTC40m
2026-07-18 DEIMZ - Jul 18, 09:15 UTCJul 18, 09:55 UTC40m
2026-07-17 DEIMZ ESS → ESS Jul 17, 15:55 UTCJul 17, 16:10 UTC15m
2026-07-17 DEIMZ ESS → ESS Jul 17, 08:40 UTCJul 17, 10:15 UTC1h 35m
2026-07-17 DEIMZ ESS → ESS Jul 17, 06:20 UTCJul 17, 07:14 UTC55m
2026-07-16 DEIMZ - Jul 16, 07:50 UTCJul 16, 08:50 UTC1h 0m
2026-07-15 DEIMZ - Jul 15, 17:40 UTCJul 15, 18:35 UTC55m
2026-07-15 DEIMZ - Jul 15, 15:55 UTCJul 15, 16:35 UTC40m
2026-07-12 DEIMZ LGO → ESS Jul 12, 14:10 UTCJul 12, 15:30 UTC1h 20m
2026-07-12 DEIMZ ESS → LGO Jul 12, 08:40 UTCJul 12, 10:10 UTC1h 30m
2026-07-10 DEIMZ - Jul 10, 15:45 UTCJul 10, 16:50 UTC1h 5m
2026-07-10 DEIMZ - Jul 10, 09:10 UTCJul 10, 10:30 UTC1h 20m
2026-07-10 DEIMZ ESS → ESS Jul 10, 06:35 UTCJul 10, 07:20 UTC45m
2026-07-09 DEIMZ ESS → ESS Jul 9, 17:15 UTCJul 9, 17:55 UTC40m
2026-07-09 DEIMZ ESS → ESS Jul 9, 14:15 UTCJul 9, 15:30 UTC1h 15m
2026-07-08 DEIMZ ESS → ESS Jul 8, 16:50 UTCJul 8, 17:45 UTC55m
2026-07-08 DEIMZ ESS → ESS Jul 8, 15:35 UTCJul 8, 16:25 UTC50m
2026-07-08 DEIMZ ESS → ESS Jul 8, 14:15 UTCJul 8, 15:00 UTC45m
2026-07-07 DEIMZ - Jul 7, 16:30 UTCJul 7, 17:25 UTC55m
2026-07-07 DEIMZ ESS → ESS Jul 7, 12:45 UTCJul 7, 14:55 UTC2h 10m
2026-07-07 DEIMZ ESS → ESS Jul 7, 09:45 UTCJul 7, 11:10 UTC1h 25m
2026-07-06 DEIMZ - Jul 6, 14:10 UTCJul 6, 15:05 UTC55m
2026-07-03 DEIMZ - Jul 3, 17:45 UTCJul 3, 18:50 UTC1h 5m
2026-07-03 DEIMZ - Jul 3, 14:50 UTCJul 3, 15:30 UTC40m
2026-07-03 DEIMZ ESS → ESS Jul 3, 12:25 UTCJul 3, 13:30 UTC1h 5m
2026-07-03 DEIMZ - Jul 3, 11:35 UTCJul 3, 11:55 UTC20m
2026-07-01 DEIMZ - Jul 1, 16:30 UTCJul 1, 17:30 UTC1h 0m
2026-07-01 DEIMZ ESS → ESS Jul 1, 14:50 UTCJul 1, 15:35 UTC45m
2026-07-01 DEIMZ - Jul 1, 09:45 UTCJul 1, 10:00 UTC15m
2026-07-01 DEIMZ ESS → MGL Jul 1, 07:25 UTCJul 1, 09:05 UTC1h 40m
2026-06-30 DEIMZ ESS → ESS Jun 30, 17:00 UTCJun 30, 18:05 UTC1h 5m
2026-06-29 DEIMZ - Jun 29, 11:39 UTCJun 29, 12:49 UTC1h 10m
2026-06-29 DEIMZ - Jun 29, 08:54 UTCJun 29, 10:34 UTC1h 40m

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

Mode-S 3D1B19 frequently asked

What is Mode-S code 3D1B19?
3D1B19 is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-EIMZ.
Where is Mode-S 3D1B19 registered?
Mode-S code 3D1B19 is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3D1B19 broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 15:10 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3D1B19, octal 17215431, decimal 4,004,633.
What flights does 3D1B19 operate?
Mode-S 3D1B19 has broadcast 1 distinct callsign, including DEIMZ.