Apparatus

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sensors Mode-S transponder

45C08F

ICAO 24-bit transponder address · allocated to Denmark

Currently assigned to OY-PDO · PIPER PA-28-140/150/160/180

Hex
45C08F
Octal
21340217
Decimal
4,571,279
Country
DK
Tail
OY-PDO
Type
P28A
No current signal · last broadcast 3d ago
Flights observed
116
Distinct callsigns
1
Country
DK
Last broadcast
3d ago

Last known position

Most recent position reported by Mode-S 45C08F.

Country allocation

The ICAO 24-bit address 45C08F 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 1 distinct

Callsign Airline Flights Last seen
OYPDO - 116 2026-07-10

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-10 OYPDO - Jul 10, 09:35 UTCJul 10, 11:00 UTC1h 25m
2026-07-10 OYPDO - Jul 10, 07:40 UTCJul 10, 08:50 UTC1h 10m
2026-07-09 OYPDO - Jul 9, 11:45 UTCJul 9, 13:20 UTC1h 35m
2026-07-09 OYPDO - Jul 9, 09:05 UTCJul 9, 10:45 UTC1h 40m
2026-07-09 OYPDO - Jul 9, 06:40 UTCJul 9, 08:00 UTC1h 20m
2026-07-08 OYPDO - Jul 8, 06:55 UTCJul 8, 08:40 UTC1h 45m
2026-07-07 OYPDO - Jul 7, 07:10 UTCJul 7, 08:15 UTC1h 5m
2026-07-06 OYPDO BRE → BLL Jul 6, 10:40 UTCJul 6, 12:40 UTC2h 0m
2026-07-06 OYPDO - Jul 6, 06:55 UTCJul 6, 09:15 UTC2h 20m
2026-07-04 OYPDO KEL → BLL Jul 4, 12:05 UTCJul 4, 14:05 UTC2h 0m
2026-07-04 OYPDO - Jul 4, 08:50 UTCJul 4, 10:50 UTC2h 0m
2026-07-03 OYPDO - Jul 3, 18:15 UTCJul 3, 20:20 UTC2h 5m
2026-07-03 OYPDO - Jul 3, 15:25 UTCJul 3, 17:10 UTC1h 45m
2026-07-02 OYPDO - Jul 2, 07:55 UTCJul 2, 09:00 UTC1h 5m
2026-07-01 OYPDO - Jul 1, 13:40 UTCJul 1, 14:30 UTC50m
2026-07-01 OYPDO - Jul 1, 12:40 UTCJul 1, 12:55 UTC15m
2026-07-01 OYPDO - Jul 1, 09:25 UTCJul 1, 10:45 UTC1h 20m
2026-07-01 OYPDO - Jul 1, 07:30 UTCJul 1, 08:35 UTC1h 5m
2026-06-30 OYPDO - Jun 30, 12:55 UTCJun 30, 14:25 UTC1h 30m
2026-06-30 OYPDO - Jun 30, 10:50 UTCJun 30, 12:15 UTC1h 25m
2026-06-24 OYPDO - Jun 24, 10:19 UTCJun 24, 11:09 UTC50m
2026-06-24 OYPDO - Jun 24, 07:34 UTCJun 24, 09:24 UTC1h 50m
2026-06-23 OYPDO AAL → BLL Jun 23, 11:29 UTCJun 23, 13:19 UTC1h 50m
2026-06-23 OYPDO - Jun 23, 09:20 UTCJun 23, 10:35 UTC1h 15m
2026-06-23 OYPDO - Jun 23, 07:09 UTCJun 23, 08:39 UTC1h 30m
2026-06-22 OYPDO - Jun 22, 17:44 UTCJun 22, 19:54 UTC2h 10m
2026-06-22 OYPDO - Jun 22, 14:05 UTCJun 22, 16:45 UTC2h 40m
2026-06-22 OYPDO - Jun 22, 07:25 UTCJun 22, 10:40 UTC3h 15m
2026-06-21 OYPDO - Jun 21, 09:55 UTCJun 21, 10:29 UTC35m
2026-06-19 OYPDO - Jun 19, 10:24 UTCJun 19, 12:04 UTC1h 40m
2026-06-19 OYPDO - Jun 19, 07:45 UTCJun 19, 09:14 UTC1h 30m
2026-06-18 OYPDO - Jun 18, 08:20 UTCJun 18, 09:10 UTC50m
2026-06-18 OYPDO - Jun 18, 07:15 UTCJun 18, 07:35 UTC20m
2026-06-17 OYPDO - Jun 17, 11:50 UTCJun 17, 13:00 UTC1h 10m
2026-06-17 OYPDO - Jun 17, 09:50 UTCJun 17, 11:05 UTC1h 15m
2026-06-16 OYPDO - Jun 16, 11:40 UTCJun 16, 13:04 UTC1h 25m
2026-06-15 OYPDO - Jun 15, 17:40 UTCJun 15, 20:34 UTC2h 55m
2026-06-15 OYPDO - Jun 15, 12:15 UTCJun 15, 14:10 UTC1h 55m
2026-06-08 OYPDO - Jun 8, 07:35 UTCJun 8, 09:05 UTC1h 30m
2026-06-05 OYPDO - Jun 5, 10:35 UTCJun 5, 11:15 UTC40m
2026-06-04 OYPDO - Jun 4, 10:35 UTCJun 4, 12:05 UTC1h 30m
2026-06-04 OYPDO - Jun 4, 07:20 UTCJun 4, 08:45 UTC1h 25m
2026-06-02 OYPDO - Jun 2, 11:00 UTCJun 2, 11:25 UTC25m
2026-06-02 OYPDO - Jun 2, 09:05 UTCJun 2, 10:25 UTC1h 20m
2026-06-02 OYPDO - Jun 2, 07:05 UTCJun 2, 08:25 UTC1h 20m
2026-06-01 OYPDO - Jun 1, 09:55 UTCJun 1, 11:35 UTC1h 40m
2026-06-01 OYPDO - Jun 1, 07:05 UTCJun 1, 08:30 UTC1h 25m
2026-05-27 OYPDO - May 27, 07:15 UTCMay 27, 08:30 UTC1h 15m
2026-05-26 OYPDO - May 26, 16:15 UTCMay 26, 17:20 UTC1h 5m
2026-05-26 OYPDO - May 26, 10:10 UTCMay 26, 12:00 UTC1h 50m

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

Mode-S 45C08F frequently asked

What is Mode-S code 45C08F?
45C08F is an ICAO 24-bit transponder address. Allocated to Denmark. Assigned to OY-PDO.
Where is Mode-S 45C08F registered?
Mode-S code 45C08F is allocated to Denmark (DK). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 45C08F broadcasting right now?
No active broadcast right now. Last signal was 3d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 45C08F, octal 21340217, decimal 4,571,279.
What flights does 45C08F operate?
Mode-S 45C08F has broadcast 1 distinct callsign, including OYPDO.