Apparatus

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sensors Mode-S transponder

7C0074

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-ADI · CESSNA 172 Skyhawk · operated by AERO-STAR AVIATION PTY LTD

Hex
7C0074
Octal
37000164
Decimal
8,126,580
Country
AU
Tail
VH-ADI
Type
C172
No current signal · last broadcast 7h ago
Flights observed
135
Distinct callsigns
1
Country
AU
Last broadcast
7h ago

Last known position

Most recent position reported by Mode-S 7C0074.

Country allocation

The ICAO 24-bit address 7C0074 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 1 distinct

Callsign Airline Flights Last seen
ADI - 135 2026-07-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 ADI - Jul 17, 23:25 UTCJul 18, 00:19 UTC55m
2026-07-17 ADI - Jul 17, 05:50 UTCJul 17, 06:00 UTC10m
2026-07-17 ADI - Jul 17, 03:45 UTCJul 17, 04:29 UTC45m
2026-07-17 ADI - Jul 17, 01:20 UTCJul 17, 02:39 UTC1h 20m
2026-07-16 ADI - Jul 16, 23:44 UTCJul 17, 00:14 UTC30m
2026-07-16 ADI - Jul 16, 06:30 UTCJul 16, 07:05 UTC35m
2026-07-16 ADI - Jul 16, 04:55 UTCJul 16, 05:30 UTC35m
2026-07-16 ADI - Jul 16, 03:00 UTCJul 16, 04:15 UTC1h 15m
2026-07-16 ADI - Jul 16, 00:20 UTCJul 16, 01:55 UTC1h 35m
2026-07-15 ADI - Jul 15, 22:45 UTCJul 15, 23:30 UTC45m
2026-07-15 ADI - Jul 15, 06:45 UTCJul 15, 07:00 UTC15m
2026-07-15 ADI - Jul 15, 02:00 UTCJul 15, 02:20 UTC20m
2026-07-14 ADI - Jul 14, 02:00 UTCJul 14, 03:20 UTC1h 20m
2026-07-09 ADI - Jul 9, 06:25 UTCJul 9, 07:15 UTC50m
2026-07-09 ADI - Jul 9, 04:30 UTCJul 9, 05:05 UTC35m
2026-07-09 ADI - Jul 9, 02:40 UTCJul 9, 03:20 UTC40m
2026-07-09 ADI - Jul 9, 00:30 UTCJul 9, 01:00 UTC30m
2026-07-08 ADI - Jul 8, 04:20 UTCJul 8, 05:25 UTC1h 5m
2026-07-08 ADI - Jul 8, 03:05 UTCJul 8, 03:25 UTC20m
2026-07-08 ADI - Jul 8, 02:30 UTCJul 8, 02:45 UTC15m
2026-07-08 ADI - Jul 8, 00:25 UTCJul 8, 01:25 UTC1h 0m
2026-07-07 ADI - Jul 7, 05:55 UTCJul 7, 07:05 UTC1h 10m
2026-07-07 ADI - Jul 7, 01:10 UTCJul 7, 03:25 UTC2h 15m
2026-07-06 ADI - Jul 6, 23:25 UTCJul 6, 23:40 UTC15m
2026-07-06 ADI - Jul 6, 22:55 UTCJul 6, 23:15 UTC20m
2026-07-06 ADI - Jul 6, 05:40 UTCJul 6, 05:55 UTC15m
2026-07-06 ADI - Jul 6, 03:20 UTCJul 6, 03:45 UTC25m
2026-07-06 ADI - Jul 6, 01:45 UTCJul 6, 02:15 UTC30m
2026-07-05 ADI - Jul 5, 23:20 UTCJul 6, 00:05 UTC45m
2026-07-05 ADI - Jul 5, 02:50 UTCJul 5, 03:05 UTC15m
2026-07-05 ADI - Jul 5, 00:00 UTCJul 5, 00:15 UTC15m
2026-07-03 ADI - Jul 3, 04:45 UTCJul 3, 05:00 UTC15m
2026-07-03 ADI - Jul 3, 02:55 UTCJul 3, 03:35 UTC40m
2026-07-03 ADI - Jul 3, 00:40 UTCJul 3, 01:25 UTC45m
2026-06-29 ADI - Jun 29, 03:29 UTCJun 29, 04:00 UTC30m
2026-06-28 ADI - Jun 28, 04:59 UTCJun 28, 06:34 UTC1h 35m
2026-06-28 ADI - Jun 28, 01:40 UTCJun 28, 03:14 UTC1h 35m
2026-06-27 ADI - Jun 27, 23:50 UTCJun 28, 00:59 UTC1h 10m
2026-06-27 ADI - Jun 27, 02:20 UTCJun 27, 03:40 UTC1h 20m
2026-06-27 ADI - Jun 27, 01:09 UTCJun 27, 01:49 UTC40m
2026-06-26 ADI - Jun 26, 06:29 UTCJun 26, 07:14 UTC45m
2026-06-26 ADI - Jun 26, 04:50 UTCJun 26, 05:24 UTC35m
2026-06-26 ADI - Jun 26, 00:50 UTCJun 26, 01:34 UTC45m
2026-06-25 ADI - Jun 25, 23:09 UTCJun 26, 00:10 UTC1h 0m
2026-06-25 ADI - Jun 25, 06:50 UTCJun 25, 07:05 UTC15m
2026-06-25 ADI - Jun 25, 04:14 UTCJun 25, 04:40 UTC25m
2026-06-25 ADI - Jun 25, 02:19 UTCJun 25, 02:59 UTC40m
2026-06-16 ADI - Jun 16, 03:04 UTCJun 16, 03:50 UTC45m
2026-06-16 ADI - Jun 16, 00:00 UTCJun 16, 01:04 UTC1h 5m
2026-06-14 ADI - Jun 14, 04:50 UTCJun 14, 05:25 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-ADI page for operator, model, and routing details .

Mode-S 7C0074 frequently asked

What is Mode-S code 7C0074?
7C0074 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-ADI.
Where is Mode-S 7C0074 registered?
Mode-S code 7C0074 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C0074 broadcasting right now?
No active broadcast right now. Last signal was 7h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C0074, octal 37000164, decimal 8,126,580.
What flights does 7C0074 operate?
Mode-S 7C0074 has broadcast 1 distinct callsign, including ADI.