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sensors Mode-S transponder

45CAB6

ICAO 24-bit transponder address · allocated to Denmark

Currently assigned to OY-RUV · ATR-72-600

Hex
45CAB6
Octal
21345266
Decimal
4,573,878
Country
DK
Tail
OY-RUV
Type
AT76
Broadcasting now · callsign DTR193 · 2,625 ft
Flights observed
663
Distinct callsigns
20
Country
DK
Last broadcast
2h ago

Current position

45CAB6 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 45CAB6 falls within the block assigned to Denmark (DK) by ICAO Annex 10, Volume III. Every aircraft registered in Denmark 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
DNU35K - 50 2026-06-25
DNU54R - 49 2026-06-24
DNU53K - 49 2026-06-24
DNU46R - 48 2026-06-24
DNU41K DOT LT 46 2026-06-24
DNU32R - 43 2026-06-25
DNU50R - 41 2026-06-24
DNU31K - 41 2026-06-25
DNU51K - 39 2026-06-24
DNU38R - 23 2026-06-24
DNU36R DOT LT 22 2026-06-10
DNU64R - 19 2026-06-13
DNU62R DOT LT 19 2026-06-14
DNU61B DOT LT 19 2026-06-14
DNU63A DOT LT 18 2026-06-13
DTR198 - 13 2026-07-12
DTR197 - 13 2026-07-12
DTR194 - 12 2026-07-13
DTR193 - 12 2026-07-13
DTR192 - 9 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 DTR192 FRA → LNZ Jul 14, 07:05 UTCJul 14, 08:10 UTC1h 5m
2026-07-14 DTR191 LNZ → FRA Jul 14, 04:15 UTCJul 14, 05:30 UTC1h 15m
2026-07-13 DTR194 FRA → LNZ Jul 13, 12:15 UTCJul 13, 13:25 UTC1h 10m
2026-07-13 DTR193 - Jul 13, 09:40 UTCJul 13, 10:55 UTC1h 15m
2026-07-13 DTR192 FRA → LNZ Jul 13, 06:35 UTCJul 13, 07:40 UTC1h 5m
2026-07-13 DTR191 LNZ → FRA Jul 13, 04:05 UTCJul 13, 05:20 UTC1h 15m
2026-07-12 DTR198 FRA → LNZ Jul 12, 18:20 UTCJul 12, 19:20 UTC1h 0m
2026-07-12 DTR197 - Jul 12, 15:35 UTCJul 12, 16:50 UTC1h 15m
2026-07-11 DTR194 FRA → LNZ Jul 11, 13:25 UTCJul 11, 14:25 UTC1h 0m
2026-07-11 DTR193 LNZ → FRA Jul 11, 09:45 UTCJul 11, 11:05 UTC1h 20m
2026-07-10 DTR198 FRA → LNZ Jul 10, 18:50 UTCJul 10, 19:55 UTC1h 5m
2026-07-10 DTR197 - Jul 10, 15:35 UTCJul 10, 16:50 UTC1h 15m
2026-07-10 DTR194 - Jul 10, 12:20 UTCJul 10, 13:25 UTC1h 5m
2026-07-10 DTR193 LNZ → FRA Jul 10, 09:50 UTCJul 10, 11:05 UTC1h 15m
2026-07-09 DTR198 - Jul 9, 17:25 UTCJul 9, 18:30 UTC1h 5m
2026-07-09 DTR197 LNZ → FRA Jul 9, 15:00 UTCJul 9, 16:10 UTC1h 10m
2026-07-09 DTR194 FRA → LNZ Jul 9, 12:10 UTCJul 9, 13:20 UTC1h 10m
2026-07-09 DTR193 - Jul 9, 09:45 UTCJul 9, 11:00 UTC1h 15m
2026-07-09 DTR192 FRA → LNZ Jul 9, 05:50 UTCJul 9, 06:55 UTC1h 5m
2026-07-09 DTR191 LNZ → FRA Jul 9, 03:50 UTCJul 9, 05:00 UTC1h 10m
2026-07-08 DTR198 FRA → LNZ Jul 8, 18:40 UTCJul 8, 19:50 UTC1h 10m
2026-07-08 DTR197 - Jul 8, 15:35 UTCJul 8, 16:50 UTC1h 15m
2026-07-08 DTR192 FRA → LNZ Jul 8, 06:45 UTCJul 8, 07:45 UTC1h 0m
2026-07-08 DTR191 LNZ → FRA Jul 8, 04:20 UTCJul 8, 05:35 UTC1h 15m
2026-07-07 DTR198 FRA → LNZ Jul 7, 18:05 UTCJul 7, 19:05 UTC1h 0m
2026-07-07 DTR197 LNZ → FRA Jul 7, 15:45 UTCJul 7, 17:00 UTC1h 15m
2026-07-07 DTR194 FRA → LNZ Jul 7, 12:10 UTCJul 7, 13:15 UTC1h 5m
2026-07-07 DTR193 LNZ → FRA Jul 7, 09:45 UTCJul 7, 11:00 UTC1h 15m
2026-07-07 DTR192 - Jul 7, 06:55 UTCJul 7, 07:55 UTC1h 0m
2026-07-07 DTR191 LNZ → FRA Jul 7, 04:15 UTCJul 7, 05:25 UTC1h 10m
2026-07-06 DTR194 FRA → LNZ Jul 6, 12:20 UTCJul 6, 13:30 UTC1h 10m
2026-07-06 DTR193 - Jul 6, 09:45 UTCJul 6, 10:55 UTC1h 10m
2026-07-06 DTR192 FRA → LNZ Jul 6, 06:35 UTCJul 6, 07:45 UTC1h 10m
2026-07-06 DTR191 LNZ → FRA Jul 6, 04:00 UTCJul 6, 05:15 UTC1h 15m
2026-07-05 DTR198 FRA → LNZ Jul 5, 18:10 UTCJul 5, 19:15 UTC1h 5m
2026-07-05 DTR197 LNZ → FRA Jul 5, 15:35 UTCJul 5, 16:45 UTC1h 10m
2026-07-04 DTR194 FRA → LNZ Jul 4, 12:20 UTCJul 4, 13:25 UTC1h 5m
2026-07-04 DTR193 LNZ → FRA Jul 4, 09:50 UTCJul 4, 11:05 UTC1h 15m
2026-07-03 DTR198 FRA → LNZ Jul 3, 19:00 UTCJul 3, 20:05 UTC1h 5m
2026-07-03 DTR197 - Jul 3, 15:30 UTCJul 3, 16:45 UTC1h 15m
2026-07-03 DTR194 FRA → LNZ Jul 3, 12:25 UTCJul 3, 13:30 UTC1h 5m
2026-07-03 DTR193 - Jul 3, 09:50 UTCJul 3, 11:00 UTC1h 10m
2026-07-02 DTR198 FRA → LNZ Jul 2, 17:30 UTCJul 2, 18:35 UTC1h 5m
2026-07-02 DTR197 - Jul 2, 15:05 UTCJul 2, 16:15 UTC1h 10m
2026-07-02 DTR194 FRA → LNZ Jul 2, 12:25 UTCJul 2, 13:30 UTC1h 5m
2026-07-02 DTR193 - Jul 2, 09:50 UTCJul 2, 10:55 UTC1h 5m
2026-07-01 DTR198 FRA → LNZ Jul 1, 18:35 UTCJul 1, 19:45 UTC1h 10m
2026-07-01 DTR197 - Jul 1, 15:40 UTCJul 1, 16:50 UTC1h 10m
2026-07-01 DTR192 FRA → LNZ Jul 1, 06:45 UTCJul 1, 07:55 UTC1h 10m
2026-07-01 DTR191 - Jul 1, 04:20 UTCJul 1, 05:25 UTC1h 5m

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 OY-RUV page for operator, model, and routing details .

Mode-S 45CAB6 frequently asked

What is Mode-S code 45CAB6?
45CAB6 is an ICAO 24-bit transponder address. Allocated to Denmark. Assigned to OY-RUV.
Where is Mode-S 45CAB6 registered?
Mode-S code 45CAB6 is allocated to Denmark (DK). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 45CAB6 broadcasting right now?
Yes. Mode-S 45CAB6 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 45CAB6, octal 21345266, decimal 4,573,878.
What flights does 45CAB6 operate?
Mode-S 45CAB6 has broadcast 20 distinct callsigns, including DNU35K, DNU54R, DNU53K, DNU46R, DNU41K.