Apparatus

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sensors Mode-S transponder

7C6714

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-UNA · PIPER PA-44 Seminole · operated by UNIVERSITY OF NEW SOUTH WALES

Hex
7C6714
Octal
37063424
Decimal
8,152,852
Country
AU
Tail
VH-UNA
Type
PA44
No current signal · last broadcast 1h ago
Flights observed
125
Distinct callsigns
1
Country
AU
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 7C6714.

Country allocation

The ICAO 24-bit address 7C6714 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
UNA - 125 2026-05-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 UNA - May 30, 04:20 UTCMay 30, 05:00 UTC40m
2026-05-30 UNA BWU → BWU May 30, 01:30 UTCMay 30, 02:45 UTC1h 15m
2026-05-29 UNA BWU → BWU May 29, 22:55 UTCMay 30, 00:10 UTC1h 15m
2026-05-29 UNA BWU → BWU May 29, 05:10 UTCMay 29, 06:15 UTC1h 5m
2026-05-28 UNA - May 28, 12:40 UTCMay 28, 13:30 UTC50m
2026-05-28 UNA - May 28, 10:55 UTCMay 28, 12:05 UTC1h 10m
2026-05-28 UNA - May 28, 09:00 UTCMay 28, 09:50 UTC50m
2026-05-28 UNA - May 28, 06:25 UTCMay 28, 06:55 UTC30m
2026-05-28 UNA - May 28, 04:00 UTCMay 28, 04:55 UTC55m
2026-05-28 UNA - May 28, 02:15 UTCMay 28, 02:55 UTC40m
2026-05-25 UNA - May 25, 11:35 UTCMay 25, 12:10 UTC35m
2026-05-25 UNA - May 25, 09:25 UTCMay 25, 10:05 UTC40m
2026-05-25 UNA BWU → BWU May 25, 06:30 UTCMay 25, 08:05 UTC1h 35m
2026-05-25 UNA - May 25, 03:10 UTCMay 25, 04:50 UTC1h 40m
2026-05-24 UNA - May 24, 23:00 UTCMay 24, 23:46 UTC46m
2026-05-24 UNA BWU → BWU May 24, 01:30 UTCMay 24, 03:30 UTC2h 0m
2026-05-23 UNA - May 23, 06:25 UTCMay 23, 07:25 UTC1h 0m
2026-05-23 UNA - May 23, 04:40 UTCMay 23, 05:10 UTC30m
2026-05-23 UNA BWU → BWU May 23, 01:45 UTCMay 23, 02:50 UTC1h 4m
2026-05-22 UNA BWU → BWU May 22, 23:15 UTCMay 23, 00:15 UTC1h 0m
2026-05-22 UNA BWU → BWU May 22, 01:00 UTCMay 22, 02:40 UTC1h 40m
2026-05-21 UNA BWU → BWU May 21, 22:40 UTCMay 21, 23:40 UTC1h 0m
2026-05-21 UNA - May 21, 11:55 UTCMay 21, 12:35 UTC40m
2026-05-21 UNA - May 21, 09:50 UTCMay 21, 10:25 UTC35m
2026-05-21 UNA - May 21, 06:35 UTCMay 21, 07:20 UTC45m
2026-05-21 UNA - May 21, 05:00 UTCMay 21, 05:35 UTC35m
2026-05-21 UNA - May 21, 02:50 UTCMay 21, 03:25 UTC35m
2026-05-21 UNA - May 21, 01:20 UTCMay 21, 01:50 UTC30m
2026-05-20 UNA BWU → BWU May 20, 22:20 UTCMay 20, 23:20 UTC1h 0m
2026-05-20 UNA - May 20, 10:40 UTCMay 20, 11:15 UTC35m
2026-05-20 UNA - May 20, 08:50 UTCMay 20, 09:25 UTC35m
2026-05-20 UNA BWU → BWU May 20, 06:05 UTCMay 20, 07:35 UTC1h 30m
2026-05-20 UNA BWU → BWU May 20, 03:10 UTCMay 20, 04:25 UTC1h 15m
2026-05-19 UNA BWU → BWU May 19, 22:15 UTCMay 19, 23:35 UTC1h 20m
2026-05-19 UNA - May 19, 11:55 UTCMay 19, 12:25 UTC30m
2026-05-19 UNA - May 19, 09:55 UTCMay 19, 11:20 UTC1h 25m
2026-05-19 UNA BWU → BWU May 19, 06:50 UTCMay 19, 08:45 UTC1h 55m
2026-05-18 UNA BWU → BWU May 18, 09:10 UTCMay 18, 11:10 UTC2h 0m
2026-05-18 UNA - May 18, 06:25 UTCMay 18, 07:10 UTC45m
2026-05-18 UNA - May 18, 05:30 UTCMay 18, 05:55 UTC25m
2026-05-17 UNA BWU → BWU May 17, 23:45 UTCMay 18, 00:10 UTC25m
2026-05-16 UNA BWU → BWU May 16, 05:15 UTCMay 16, 06:25 UTC1h 11m
2026-05-16 UNA BWU → BWU May 16, 00:50 UTCMay 16, 01:15 UTC25m
2026-05-15 UNA BWU → BWU May 15, 00:35 UTCMay 15, 01:00 UTC25m
2026-05-11 UNA BWU → BWU May 11, 05:55 UTCMay 11, 07:45 UTC1h 50m
2026-05-11 UNA BWU → BWU May 11, 03:45 UTCMay 11, 04:40 UTC55m
2026-05-11 UNA BWU → BWU May 11, 01:05 UTCMay 11, 02:25 UTC1h 20m
2026-05-10 UNA BWU → BWU May 10, 22:25 UTCMay 10, 23:55 UTC1h 30m
2026-05-10 UNA BWU → BWU May 10, 05:10 UTCMay 10, 06:45 UTC1h 35m
2026-05-10 UNA BWU → BWU May 10, 02:24 UTCMay 10, 03:20 UTC55m

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

Mode-S 7C6714 frequently asked

What is Mode-S code 7C6714?
7C6714 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-UNA.
Where is Mode-S 7C6714 registered?
Mode-S code 7C6714 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C6714 broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C6714, octal 37063424, decimal 8,152,852.
What flights does 7C6714 operate?
Mode-S 7C6714 has broadcast 1 distinct callsign, including UNA.