Apparatus

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sensors Mode-S transponder

7C6ACD

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-VDR · CIRRUS SR-20 · operated by AVIA AVIATION PTY LTD

Hex
7C6ACD
Octal
37065315
Decimal
8,153,805
Country
AU
Tail
VH-VDR
Type
SR20
No current signal · last broadcast 18h ago
Flights observed
95
Distinct callsigns
1
Country
AU
Last broadcast
18h ago

Last known position

Most recent position reported by Mode-S 7C6ACD.

Country allocation

The ICAO 24-bit address 7C6ACD 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
VDR - 95 2026-07-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-18 VDR MBW → MBW Jul 18, 01:05 UTCJul 18, 02:00 UTC55m
2026-07-17 VDR MBW → MBW Jul 17, 04:25 UTCJul 17, 04:44 UTC20m
2026-07-17 VDR MBW → MBW Jul 17, 01:29 UTCJul 17, 03:05 UTC1h 35m
2026-07-15 VDR MBW → MBW Jul 15, 05:05 UTCJul 15, 05:40 UTC35m
2026-07-15 VDR MBW → MBW Jul 15, 01:25 UTCJul 15, 02:15 UTC50m
2026-07-14 VDR MBW → MBW Jul 14, 06:50 UTCJul 14, 07:30 UTC40m
2026-07-13 VDR MBW → MBW Jul 13, 04:35 UTCJul 13, 05:50 UTC1h 15m
2026-07-13 VDR MBW → MBW Jul 13, 01:15 UTCJul 13, 02:05 UTC50m
2026-07-11 VDR MBW → MBW Jul 11, 04:20 UTCJul 11, 04:50 UTC30m
2026-07-11 VDR - Jul 11, 03:01 UTCJul 11, 03:25 UTC25m
2026-07-11 VDR MBW → MBW Jul 11, 00:30 UTCJul 11, 01:30 UTC1h 0m
2026-07-10 VDR - Jul 10, 03:55 UTCJul 10, 05:05 UTC1h 10m
2026-07-09 VDR MBW → MBW Jul 9, 05:00 UTCJul 9, 06:20 UTC1h 20m
2026-07-08 VDR - Jul 8, 05:30 UTCJul 8, 06:10 UTC40m
2026-07-01 VDR - Jul 1, 02:35 UTCJul 1, 02:50 UTC15m
2026-07-01 VDR MBW → MBW Jul 1, 01:30 UTCJul 1, 02:00 UTC30m
2026-06-30 VDR - Jun 30, 05:50 UTCJun 30, 06:30 UTC40m
2026-06-30 VDR - Jun 30, 04:45 UTCJun 30, 05:15 UTC30m
2026-06-29 VDR MBW → MBW Jun 29, 04:04 UTCJun 29, 05:24 UTC1h 20m
2026-06-29 VDR MBW → MBW Jun 29, 02:30 UTCJun 29, 02:54 UTC25m
2026-06-28 VDR - Jun 28, 04:55 UTCJun 28, 05:45 UTC50m
2026-06-28 VDR - Jun 28, 03:55 UTCJun 28, 04:15 UTC20m
2026-06-25 VDR MBW → MBW Jun 25, 06:40 UTCJun 25, 08:04 UTC1h 25m
2026-06-24 VDR MBW → MBW Jun 24, 06:20 UTCJun 24, 07:20 UTC1h 0m
2026-06-20 VDR MBW → MBW Jun 20, 06:45 UTCJun 20, 07:34 UTC50m
2026-06-16 VDR - Jun 16, 03:50 UTCJun 16, 04:05 UTC15m
2026-06-16 VDR MBW → MBW Jun 16, 03:00 UTCJun 16, 03:25 UTC25m
2026-06-15 VDR MBW → MBW Jun 15, 05:25 UTCJun 15, 05:50 UTC25m
2026-06-14 VDR MBW → MBW Jun 14, 00:05 UTCJun 14, 00:35 UTC30m
2026-06-12 VDR MBW → MBW Jun 12, 04:45 UTCJun 12, 05:25 UTC40m
2026-06-11 VDR MBW → MBW Jun 11, 05:35 UTCJun 11, 06:20 UTC45m
2026-06-09 VDR MBW → MBW Jun 9, 09:10 UTCJun 9, 10:00 UTC50m
2026-06-09 VDR MBW → MBW Jun 9, 05:45 UTCJun 9, 06:25 UTC40m
2026-06-09 VDR MBW → MBW Jun 9, 03:10 UTCJun 9, 04:20 UTC1h 10m
2026-06-06 VDR MBW → MBW Jun 6, 03:35 UTCJun 6, 04:55 UTC1h 20m
2026-06-06 VDR MBW → MBW Jun 6, 00:45 UTCJun 6, 01:10 UTC25m
2026-06-05 VDR - Jun 5, 05:35 UTCJun 5, 06:35 UTC1h 0m
2026-06-05 VDR - Jun 5, 00:40 UTCJun 5, 01:30 UTC50m
2026-06-02 VDR MBW → MBW Jun 2, 02:55 UTCJun 2, 04:40 UTC1h 45m
2026-05-30 VDR MBW → MBW May 30, 05:45 UTCMay 30, 06:05 UTC20m
2026-05-30 VDR MBW → MBW May 30, 04:20 UTCMay 30, 04:50 UTC30m
2026-05-30 VDR - May 30, 01:45 UTCMay 30, 02:20 UTC35m
2026-05-29 VDR - May 29, 07:20 UTCMay 29, 08:00 UTC40m
2026-05-29 VDR - May 29, 05:30 UTCMay 29, 06:00 UTC30m
2026-05-29 VDR MBW → MBW May 29, 01:50 UTCMay 29, 02:45 UTC55m
2026-05-23 VDR MBW → MBW May 23, 04:45 UTCMay 23, 06:15 UTC1h 30m
2026-05-23 VDR MBW → MBW May 23, 02:40 UTCMay 23, 03:10 UTC30m
2026-05-22 VDR - May 22, 06:40 UTCMay 22, 07:10 UTC30m
2026-05-22 VDR - May 22, 04:45 UTCMay 22, 05:25 UTC40m
2026-05-22 VDR MBW → MBW May 22, 01:00 UTCMay 22, 01:40 UTC40m

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

Mode-S 7C6ACD frequently asked

What is Mode-S code 7C6ACD?
7C6ACD is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-VDR.
Where is Mode-S 7C6ACD registered?
Mode-S code 7C6ACD is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C6ACD broadcasting right now?
No active broadcast right now. Last signal was 18h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C6ACD, octal 37065315, decimal 8,153,805.
What flights does 7C6ACD operate?
Mode-S 7C6ACD has broadcast 1 distinct callsign, including VDR.