Apparatus

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sensors Mode-S transponder

505C97

ICAO 24-bit transponder address · allocated to Slovakia

Currently assigned to OM-LWD · TOMARK Viper

Hex
505C97
Octal
24056227
Decimal
5,266,583
Country
SK
Tail
OM-LWD
Type
SD4
No current signal · last broadcast 5d ago
Flights observed
60
Distinct callsigns
1
Country
SK
Last broadcast
5d ago

Last known position

Most recent position reported by Mode-S 505C97.

Country allocation

The ICAO 24-bit address 505C97 falls within the block assigned to Slovakia (SK) by ICAO Annex 10, Volume III. Every aircraft registered in Slovakia 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
OMLWD - 60 2026-07-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 OMLWD - Jul 24, 10:50 UTCJul 24, 11:50 UTC1h 0m
2026-07-24 OMLWD - Jul 24, 08:20 UTCJul 24, 09:15 UTC55m
2026-07-23 OMLWD - Jul 23, 07:00 UTCJul 23, 08:05 UTC1h 5m
2026-07-21 OMLWD - Jul 21, 11:10 UTCJul 21, 13:05 UTC1h 55m
2026-07-21 OMLWD - Jul 21, 08:55 UTCJul 21, 10:15 UTC1h 20m
2026-07-21 OMLWD - Jul 21, 06:40 UTCJul 21, 08:00 UTC1h 20m
2026-07-20 OMLWD - Jul 20, 12:10 UTCJul 20, 13:20 UTC1h 10m
2026-07-20 OMLWD - Jul 20, 09:50 UTCJul 20, 11:30 UTC1h 40m
2026-07-20 OMLWD - Jul 20, 07:35 UTCJul 20, 09:10 UTC1h 35m
2026-07-17 OMLWD - Jul 17, 09:15 UTCJul 17, 10:50 UTC1h 35m
2026-07-17 OMLWD - Jul 17, 06:50 UTCJul 17, 08:25 UTC1h 35m
2026-07-16 OMLWD - Jul 16, 12:09 UTCJul 16, 13:34 UTC1h 25m
2026-07-16 OMLWD - Jul 16, 09:50 UTCJul 16, 10:59 UTC1h 10m
2026-07-16 OMLWD - Jul 16, 08:00 UTCJul 16, 09:05 UTC1h 5m
2026-07-15 OMLWD - Jul 15, 11:10 UTCJul 15, 12:40 UTC1h 30m
2026-07-14 OMLWD - Jul 14, 12:10 UTCJul 14, 13:25 UTC1h 15m
2026-07-14 OMLWD - Jul 14, 10:05 UTCJul 14, 10:40 UTC35m
2026-07-14 OMLWD - Jul 14, 07:20 UTCJul 14, 08:50 UTC1h 30m
2026-07-13 OMLWD - Jul 13, 12:45 UTCJul 13, 13:30 UTC45m
2026-07-13 OMLWD - Jul 13, 10:00 UTCJul 13, 10:20 UTC20m
2026-07-13 OMLWD - Jul 13, 07:30 UTCJul 13, 07:50 UTC20m
2026-07-09 OMLWD - Jul 9, 09:55 UTCJul 9, 10:20 UTC25m
2026-07-09 OMLWD - Jul 9, 07:15 UTCJul 9, 08:20 UTC1h 5m
2026-07-08 OMLWD - Jul 8, 12:10 UTCJul 8, 13:00 UTC50m
2026-07-08 OMLWD - Jul 8, 10:20 UTCJul 8, 11:10 UTC50m
2026-07-08 OMLWD - Jul 8, 08:05 UTCJul 8, 09:10 UTC1h 5m
2026-07-07 OMLWD - Jul 7, 12:20 UTCJul 7, 12:50 UTC30m
2026-07-07 OMLWD - Jul 7, 09:40 UTCJul 7, 10:15 UTC35m
2026-07-07 OMLWD - Jul 7, 07:25 UTCJul 7, 08:30 UTC1h 5m
2026-07-06 OMLWD - Jul 6, 13:10 UTCJul 6, 13:45 UTC35m
2026-07-03 OMLWD - Jul 3, 11:50 UTCJul 3, 12:30 UTC40m
2026-06-18 OMLWD - Jun 18, 06:55 UTCJun 18, 08:05 UTC1h 10m
2026-06-17 OMLWD - Jun 17, 11:10 UTCJun 17, 12:00 UTC50m
2026-06-17 OMLWD - Jun 17, 09:45 UTCJun 17, 10:15 UTC30m
2026-06-17 OMLWD - Jun 17, 07:35 UTCJun 17, 08:25 UTC50m
2026-06-16 OMLWD - Jun 16, 12:35 UTCJun 16, 13:25 UTC50m
2026-06-16 OMLWD - Jun 16, 07:50 UTCJun 16, 09:15 UTC1h 25m
2026-06-09 OMLWD - Jun 9, 11:00 UTCJun 9, 12:00 UTC1h 0m
2026-06-09 OMLWD - Jun 9, 09:15 UTCJun 9, 10:00 UTC45m
2026-06-09 OMLWD - Jun 9, 07:00 UTCJun 9, 07:50 UTC50m
2026-06-08 OMLWD - Jun 8, 12:25 UTCJun 8, 13:30 UTC1h 5m
2026-06-08 OMLWD - Jun 8, 10:15 UTCJun 8, 11:00 UTC45m
2026-06-08 OMLWD - Jun 8, 07:25 UTCJun 8, 08:45 UTC1h 20m
2026-06-04 OMLWD - Jun 4, 12:45 UTCJun 4, 13:35 UTC50m
2026-06-04 OMLWD - Jun 4, 10:50 UTCJun 4, 11:35 UTC45m
2026-06-03 OMLWD - Jun 3, 07:40 UTCJun 3, 08:30 UTC50m
2026-05-28 OMLWD - May 28, 11:20 UTCMay 28, 12:25 UTC1h 5m
2026-05-27 OMLWD - May 27, 11:25 UTCMay 27, 11:50 UTC25m
2026-05-22 OMLWD - May 22, 06:25 UTCMay 22, 07:50 UTC1h 25m
2026-05-20 OMLWD - May 20, 09:25 UTCMay 20, 10:15 UTC50m

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 OM-LWD page for operator, model, and routing details .

Mode-S 505C97 frequently asked

What is Mode-S code 505C97?
505C97 is an ICAO 24-bit transponder address. Allocated to Slovakia. Assigned to OM-LWD.
Where is Mode-S 505C97 registered?
Mode-S code 505C97 is allocated to Slovakia (SK). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 505C97 broadcasting right now?
No active broadcast right now. Last signal was 5d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 505C97, octal 24056227, decimal 5,266,583.
What flights does 505C97 operate?
Mode-S 505C97 has broadcast 1 distinct callsign, including OMLWD.