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sensors Mode-S transponder

3C670D

ICAO 24-bit transponder address · allocated to Germany

Currently assigned to D-AIXM · AIRBUS A-350-900

Hex
3C670D
Octal
17063415
Decimal
3,958,541
Country
DE
Tail
D-AIXM
Type
A359
Broadcasting now · callsign DLH742 · 35,000 ft
Flights observed
157
Distinct callsigns
20
Country
DE
Last broadcast
22m ago

Current position

3C670D is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 3C670D 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 20 distinct

Callsign Airline Flights Last seen
DLH719 - 21 2026-07-03
DLH718 - 18 2026-07-03
DLH722 - 11 2026-07-04
DLH723 - 9 2026-07-04
DLH773 - 7 2026-07-12
DLH772 - 7 2026-07-11
DLH769 - 7 2026-06-29
DLH768 - 7 2026-06-28
DLH742 - 7 2026-07-14
DLH743 - 6 2026-06-21
DLH765 - 4 2026-07-13
DLH579 - 4 2026-07-11
DLH578 - 4 2026-07-10
DLH505 - 4 2026-07-09
DLH504 - 4 2026-07-08
DLH481 - 4 2026-06-30
DLH480 - 4 2026-06-30
DLH459 - 4 2026-07-10
DLH458 - 4 2026-07-09
DLH764 - 3 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 DLH742 - Jul 14, 11:00 UTCJul 14, 11:15 UTC15m
2026-07-13 DLH765 - Jul 13, 23:50 UTCJul 14, 06:05 UTC6h 15m
2026-07-13 DLH765 - Jul 13, 21:00 UTCJul 13, 22:10 UTC1h 10m
2026-07-13 DLH764 - Jul 13, 18:45 UTCJul 13, 18:55 UTC10m
2026-07-13 DLH764 - Jul 13, 10:50 UTCJul 13, 14:10 UTC3h 20m
2026-07-12 DLH773 - Jul 12, 16:25 UTCJul 13, 03:05 UTC10h 40m
2026-07-11 DLH772 - Jul 11, 20:40 UTCJul 12, 06:30 UTC9h 50m
2026-07-11 DLH579 - Jul 11, 07:00 UTCJul 11, 17:00 UTC10h 0m
2026-07-10 DLH578 - Jul 10, 18:35 UTCJul 11, 04:15 UTC9h 40m
2026-07-10 DLH459 SFO → MUC Jul 10, 04:20 UTCJul 10, 14:40 UTC10h 20m
2026-07-09 DLH458 - Jul 9, 14:50 UTCJul 10, 01:55 UTC11h 5m
2026-07-09 DLH505 - Jul 9, 00:45 UTCJul 9, 11:50 UTC11h 5m
2026-07-08 DLH504 - Jul 8, 10:10 UTCJul 8, 21:50 UTC11h 40m
2026-07-07 DLH521 - Jul 7, 05:15 UTCJul 7, 16:15 UTC11h 0m
2026-07-06 DLH520 MUC → MEX Jul 6, 14:55 UTCJul 7, 03:05 UTC12h 10m
2026-07-04 DLH723 - Jul 4, 06:05 UTCJul 4, 17:00 UTC10h 55m
2026-07-04 DLH722 - Jul 4, 03:15 UTCJul 4, 03:35 UTC20m
2026-07-03 DLH722 - Jul 3, 18:25 UTCJul 3, 21:35 UTC3h 10m
2026-07-03 DLH719 - Jul 3, 04:40 UTCJul 3, 15:35 UTC10h 55m
2026-07-03 DLH719 - Jul 3, 03:25 UTCJul 3, 03:45 UTC20m
2026-07-03 DLH718 - Jul 3, 01:00 UTCJul 3, 01:20 UTC20m
2026-07-02 DLH718 - Jul 2, 14:50 UTCJul 3, 00:20 UTC9h 30m
2026-07-02 DLH489 - Jul 2, 02:30 UTCJul 2, 11:50 UTC9h 20m
2026-07-01 DLH488 - Jul 1, 14:00 UTCJul 1, 23:45 UTC9h 45m
2026-06-30 DLH481 - Jun 30, 23:00 UTCJul 1, 07:50 UTC8h 50m
2026-06-30 DLH480 MUC → DEN Jun 30, 10:25 UTCJun 30, 20:15 UTC9h 50m
2026-06-29 DLH769 - Jun 29, 15:14 UTCJun 30, 03:25 UTC12h 11m
2026-06-28 DLH768 - Jun 28, 20:39 UTCJun 29, 08:35 UTC11h 55m
2026-06-28 DLH521 - Jun 28, 05:29 UTCJun 28, 16:00 UTC10h 30m
2026-06-27 DLH520 - Jun 27, 15:19 UTCJun 28, 02:39 UTC11h 20m
2026-06-27 DLH489 SEA → MUC Jun 27, 02:20 UTCJun 27, 11:50 UTC9h 30m
2026-06-26 DLH488 MUC → SEA Jun 26, 14:25 UTCJun 27, 00:05 UTC9h 40m
2026-06-25 DLH481 DEN → MUC Jun 25, 22:24 UTCJun 26, 07:39 UTC9h 15m
2026-06-25 DLH480 MUC → DEN Jun 25, 10:15 UTCJun 25, 20:09 UTC9h 55m
2026-06-23 DLH773 - Jun 23, 16:35 UTCJun 24, 03:10 UTC10h 35m
2026-06-22 DLH772 MUC → BKK Jun 22, 20:55 UTCJun 23, 06:59 UTC10h 5m
2026-06-22 DLH723 - Jun 22, 06:15 UTCJun 22, 17:34 UTC11h 20m
2026-06-22 DLH722 - Jun 22, 03:10 UTCJun 22, 03:30 UTC20m
2026-06-21 DLH722 - Jun 21, 18:20 UTCJun 21, 21:39 UTC3h 20m
2026-06-21 DLH743 KIX → MUC Jun 21, 00:45 UTCJun 21, 14:50 UTC14h 5m
2026-06-20 DLH742 MUC → KIX Jun 20, 10:44 UTCJun 20, 21:44 UTC11h 0m
2026-06-19 DLH769 - Jun 19, 17:49 UTCJun 20, 03:09 UTC9h 20m
2026-06-19 DLH769 - Jun 19, 15:04 UTCJun 19, 15:59 UTC55m
2026-06-18 DLH768 - Jun 18, 20:50 UTCJun 19, 07:54 UTC11h 4m
2026-06-18 DLH505 GRU → MUC Jun 18, 00:15 UTCJun 18, 11:05 UTC10h 50m
2026-06-17 DLH504 MUC → GRU Jun 17, 10:35 UTCJun 17, 22:15 UTC11h 40m
2026-06-16 DLH475 YUL → MUC Jun 16, 01:10 UTCJun 16, 08:00 UTC6h 50m
2026-06-15 DLH4J MUC → YUL Jun 15, 15:10 UTCJun 15, 22:40 UTC7h 30m
2026-06-14 DLH773 - Jun 14, 16:15 UTCJun 14, 16:35 UTC20m
2026-06-13 DLH772 MUC → BKK Jun 13, 20:50 UTCJun 14, 06:45 UTC9h 55m

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

Mode-S 3C670D frequently asked

What is Mode-S code 3C670D?
3C670D is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-AIXM.
Where is Mode-S 3C670D registered?
Mode-S code 3C670D is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3C670D broadcasting right now?
Yes. Mode-S 3C670D is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3C670D, octal 17063415, decimal 3,958,541.
What flights does 3C670D operate?
Mode-S 3C670D has broadcast 20 distinct callsigns, including DLH719, DLH718, DLH722, DLH723, DLH773.