Apparatus

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sensors Mode-S transponder

7C3FCB

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-MVX · BEECH 200 Super King Air · operated by ROYAL FLYING DOCTOR SERVICE OF AUSTRALIA (SOUTH EASTERN SECTION)

Hex
7C3FCB
Octal
37037713
Decimal
8,142,795
Country
AU
Tail
VH-MVX
Type
BE20
No current signal · last broadcast 5d ago
Flights observed
74
Distinct callsigns
10
Country
AU
Last broadcast
5d ago

Last known position

Most recent position reported by Mode-S 7C3FCB.

Country allocation

The ICAO 24-bit address 7C3FCB falls within the block assigned to Australia (AU) by ICAO Annex 10, Volume III. Every aircraft registered in Australia 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 10 distinct

Callsign Airline Flights Last seen
FD232 - 16 2026-07-17
FD248 - 12 2026-06-30
FD241 Thai AirAsia 12 2026-07-19
FD277 - 8 2026-06-18
FD252 Thai AirAsia 8 2026-06-23
FD278 - 6 2026-06-20
FD296 - 4 2026-06-08
FD268 - 4 2026-07-14
FD269 - 2 2026-07-08
FD214 - 2 2026-06-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-19 FD241 OKA → DMK Jul 19, 07:25 UTCJul 19, 08:10 UTC45m
2026-07-19 FD241 OKA → DMK Jul 19, 05:00 UTCJul 19, 05:40 UTC40m
2026-07-17 FD232 - Jul 17, 12:40 UTCJul 17, 13:29 UTC50m
2026-07-17 FD232 - Jul 17, 10:30 UTCJul 17, 11:10 UTC40m
2026-07-14 FD268 - Jul 14, 10:20 UTCJul 14, 11:00 UTC40m
2026-07-14 FD268 - Jul 14, 07:55 UTCJul 14, 08:40 UTC45m
2026-07-08 FD269 - Jul 8, 12:15 UTCJul 8, 13:00 UTC45m
2026-07-08 FD269 - Jul 8, 10:35 UTCJul 8, 11:15 UTC40m
2026-07-08 FD232 - Jul 8, 07:45 UTCJul 8, 08:30 UTC45m
2026-07-08 FD232 - Jul 8, 04:50 UTCJul 8, 05:20 UTC30m
2026-06-30 FD248 - Jun 30, 14:15 UTCJun 30, 15:15 UTC1h 0m
2026-06-30 FD248 - Jun 30, 11:20 UTCJun 30, 11:55 UTC35m
2026-06-29 FD248 - Jun 29, 07:20 UTCJun 29, 07:55 UTC35m
2026-06-29 FD248 - Jun 29, 04:30 UTCJun 29, 05:09 UTC40m
2026-06-28 FD248 - Jun 28, 05:15 UTCJun 28, 06:00 UTC45m
2026-06-28 FD248 - Jun 28, 03:29 UTCJun 28, 04:10 UTC40m
2026-06-24 FD232 - Jun 24, 15:35 UTCJun 24, 16:19 UTC45m
2026-06-24 FD232 - Jun 24, 12:44 UTCJun 24, 13:20 UTC35m
2026-06-24 FD214 - Jun 24, 02:24 UTCJun 24, 03:04 UTC40m
2026-06-24 FD214 - Jun 24, 00:40 UTCJun 24, 01:14 UTC35m
2026-06-23 FD252 RGN → DMK Jun 23, 15:09 UTCJun 23, 15:50 UTC40m
2026-06-23 FD252 RGN → DMK Jun 23, 12:20 UTCJun 23, 12:55 UTC35m
2026-06-23 FD232 - Jun 23, 06:39 UTCJun 23, 07:19 UTC40m
2026-06-23 FD232 - Jun 23, 04:00 UTCJun 23, 04:35 UTC35m
2026-06-22 FD252 RGN → DMK Jun 22, 09:34 UTCJun 22, 10:15 UTC40m
2026-06-22 FD252 RGN → DMK Jun 22, 07:10 UTCJun 22, 08:00 UTC50m
2026-06-20 FD278 - Jun 20, 11:25 UTCJun 20, 11:54 UTC30m
2026-06-20 FD278 - Jun 20, 08:44 UTCJun 20, 09:19 UTC35m
2026-06-18 FD277 - Jun 18, 04:35 UTCJun 18, 05:20 UTC45m
2026-06-18 FD277 - Jun 18, 02:15 UTCJun 18, 02:50 UTC35m
2026-06-16 FD241 - Jun 16, 07:15 UTCJun 16, 08:00 UTC45m
2026-06-16 FD241 - Jun 16, 04:39 UTCJun 16, 05:25 UTC45m
2026-06-15 FD232 - Jun 15, 12:05 UTCJun 15, 12:49 UTC45m
2026-06-15 FD232 - Jun 15, 08:45 UTCJun 15, 09:25 UTC40m
2026-06-14 FD232 - Jun 14, 05:35 UTCJun 14, 06:15 UTC40m
2026-06-14 FD232 - Jun 14, 03:45 UTCJun 14, 04:15 UTC30m
2026-06-13 FD252 RGN → DMK Jun 13, 03:50 UTCJun 13, 04:35 UTC44m
2026-06-13 FD252 RGN → DMK Jun 13, 01:25 UTCJun 13, 02:00 UTC35m
2026-06-12 FD248 - Jun 12, 06:25 UTCJun 12, 07:05 UTC40m
2026-06-12 FD248 - Jun 12, 03:55 UTCJun 12, 04:35 UTC40m
2026-06-11 FD277 - Jun 11, 12:10 UTCJun 11, 12:50 UTC40m
2026-06-11 FD277 - Jun 11, 09:45 UTCJun 11, 10:20 UTC35m
2026-06-10 FD277 - Jun 10, 04:40 UTCJun 10, 05:15 UTC35m
2026-06-10 FD277 - Jun 10, 02:30 UTCJun 10, 03:10 UTC40m
2026-06-08 FD296 - Jun 8, 07:25 UTCJun 8, 08:10 UTC45m
2026-06-08 FD296 - Jun 8, 05:00 UTCJun 8, 05:30 UTC30m
2026-06-07 FD252 RGN → DMK Jun 7, 20:10 UTCJun 7, 20:55 UTC45m
2026-06-07 FD252 RGN → DMK Jun 7, 17:00 UTCJun 7, 17:40 UTC40m
2026-06-07 FD268 - Jun 7, 04:00 UTCJun 7, 04:45 UTC45m
2026-06-07 FD268 - Jun 7, 01:15 UTCJun 7, 01:50 UTC35m

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 VH-MVX page for operator, model, and routing details .

Mode-S 7C3FCB frequently asked

What is Mode-S code 7C3FCB?
7C3FCB is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-MVX.
Where is Mode-S 7C3FCB registered?
Mode-S code 7C3FCB is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C3FCB 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 7C3FCB, octal 37037713, decimal 8,142,795.
What flights does 7C3FCB operate?
Mode-S 7C3FCB has broadcast 10 distinct callsigns, including FD232, FD248, FD241, FD277, FD252.