Apparatus

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sensors Mode-S transponder

7C72A9

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-WXN · BEECH 200 Super King Air · operated by BRESCON PTY LTD

Hex
7C72A9
Octal
37071251
Decimal
8,155,817
Country
AU
Tail
VH-WXN
Type
BE20
No current signal · last broadcast 2d ago
Flights observed
109
Distinct callsigns
1
Country
AU
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S 7C72A9.

Country allocation

The ICAO 24-bit address 7C72A9 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
WXN - 109 2026-07-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-15 WXN - Jul 15, 21:35 UTCJul 15, 21:50 UTC15m
2026-07-15 WXN - Jul 15, 19:50 UTCJul 15, 20:05 UTC15m
2026-07-15 WXN - Jul 15, 19:25 UTCJul 15, 19:30 UTC5m
2026-07-14 WXN - Jul 14, 23:15 UTCJul 14, 23:35 UTC20m
2026-07-14 WXN - Jul 14, 22:20 UTCJul 14, 22:30 UTC10m
2026-07-14 WXN - Jul 14, 20:30 UTCJul 14, 20:40 UTC10m
2026-07-14 WXN - Jul 14, 01:10 UTCJul 14, 01:30 UTC20m
2026-07-14 WXN - Jul 14, 00:20 UTCJul 14, 00:45 UTC25m
2026-07-13 WXN - Jul 13, 22:25 UTCJul 13, 22:55 UTC30m
2026-07-13 WXN - Jul 13, 21:45 UTCJul 13, 22:05 UTC20m
2026-07-08 WXN - Jul 8, 22:45 UTCJul 8, 23:00 UTC15m
2026-07-08 WXN - Jul 8, 20:10 UTCJul 8, 20:30 UTC20m
2026-07-07 WXN - Jul 7, 01:30 UTCJul 7, 01:55 UTC25m
2026-07-07 WXN - Jul 7, 00:45 UTCJul 7, 01:15 UTC30m
2026-07-06 WXN - Jul 6, 22:15 UTCJul 6, 22:45 UTC30m
2026-07-06 WXN - Jul 6, 21:30 UTCJul 6, 21:55 UTC25m
2026-07-01 WXN - Jul 1, 22:45 UTCJul 1, 23:00 UTC15m
2026-07-01 WXN - Jul 1, 20:20 UTCJul 1, 20:40 UTC20m
2026-06-30 WXN - Jun 30, 22:30 UTCJun 30, 22:45 UTC15m
2026-06-30 WXN - Jun 30, 20:15 UTCJun 30, 20:30 UTC15m
2026-06-30 WXN MCY → WTB Jun 30, 00:55 UTCJun 30, 01:19 UTC25m
2026-06-30 WXN - Jun 30, 00:14 UTCJun 30, 00:45 UTC30m
2026-06-29 WXN - Jun 29, 22:24 UTCJun 29, 22:59 UTC35m
2026-06-29 WXN - Jun 29, 21:44 UTCJun 29, 22:10 UTC25m
2026-06-24 WXN - Jun 24, 22:39 UTCJun 24, 22:55 UTC15m
2026-06-24 WXN - Jun 24, 21:50 UTCJun 24, 22:04 UTC15m
2026-06-24 WXN - Jun 24, 20:09 UTCJun 24, 20:35 UTC25m
2026-06-23 WXN - Jun 23, 22:40 UTCJun 23, 23:00 UTC20m
2026-06-23 WXN - Jun 23, 20:04 UTCJun 23, 20:19 UTC15m
2026-06-23 WXN - Jun 23, 01:35 UTCJun 23, 01:59 UTC25m
2026-06-23 WXN - Jun 23, 00:45 UTCJun 23, 01:15 UTC30m
2026-06-22 WXN - Jun 22, 22:15 UTCJun 22, 22:49 UTC35m
2026-06-22 WXN - Jun 22, 21:35 UTCJun 22, 21:59 UTC25m
2026-06-18 WXN - Jun 18, 00:25 UTCJun 18, 00:40 UTC15m
2026-06-17 WXN - Jun 17, 22:50 UTCJun 17, 23:15 UTC25m
2026-06-17 WXN - Jun 17, 22:00 UTCJun 17, 22:10 UTC10m
2026-06-17 WXN - Jun 17, 20:20 UTCJun 17, 20:40 UTC20m
2026-06-16 WXN - Jun 16, 23:00 UTCJun 16, 23:30 UTC30m
2026-06-16 WXN - Jun 16, 20:10 UTCJun 16, 20:35 UTC25m
2026-06-09 WXN - Jun 9, 22:35 UTCJun 9, 23:00 UTC25m
2026-06-09 WXN - Jun 9, 01:45 UTCJun 9, 02:20 UTC35m
2026-06-09 WXN - Jun 9, 00:50 UTCJun 9, 01:20 UTC30m
2026-06-08 WXN - Jun 8, 22:20 UTCJun 8, 22:50 UTC30m
2026-06-08 WXN - Jun 8, 21:30 UTCJun 8, 22:05 UTC35m
2026-06-04 WXN - Jun 4, 00:55 UTCJun 4, 01:05 UTC10m
2026-06-03 WXN - Jun 3, 22:50 UTCJun 3, 23:10 UTC20m
2026-06-03 WXN - Jun 3, 22:00 UTCJun 3, 22:15 UTC15m
2026-06-03 WXN - Jun 3, 20:20 UTCJun 3, 20:45 UTC25m
2026-06-03 WXN - Jun 3, 00:20 UTCJun 3, 00:35 UTC15m
2026-06-02 WXN - Jun 2, 22:35 UTCJun 2, 23:00 UTC25m

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

Mode-S 7C72A9 frequently asked

What is Mode-S code 7C72A9?
7C72A9 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-WXN.
Where is Mode-S 7C72A9 registered?
Mode-S code 7C72A9 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C72A9 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C72A9, octal 37071251, decimal 8,155,817.
What flights does 7C72A9 operate?
Mode-S 7C72A9 has broadcast 1 distinct callsign, including WXN.