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sensors Mode-S transponder

7C8163

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-ZUD · PIPER PA-44 Seminole · operated by AIRFLITE PTY LTD

Hex
7C8163
Octal
37100543
Decimal
8,159,587
Country
AU
Tail
VH-ZUD
Type
PA44
No current signal · last broadcast 4h ago
Flights observed
131
Distinct callsigns
1
Country
AU
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S 7C8163.

Country allocation

The ICAO 24-bit address 7C8163 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
ZUD - 131 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 ZUD BWU → BWU Jul 14, 01:45 UTCJul 14, 02:10 UTC25m
2026-07-13 ZUD BWU → BWU Jul 13, 21:55 UTCJul 13, 22:30 UTC35m
2026-07-13 ZUD BWU → BWU Jul 13, 04:15 UTCJul 13, 05:40 UTC1h 25m
2026-07-12 ZUD BWU → BWU Jul 12, 23:50 UTCJul 13, 01:01 UTC1h 10m
2026-07-01 ZUD BWU → BWU Jul 1, 21:45 UTCJul 1, 22:40 UTC55m
2026-07-01 ZUD BWU → BWU Jul 1, 04:40 UTCJul 1, 05:15 UTC35m
2026-07-01 ZUD BWU → BWU Jul 1, 02:05 UTCJul 1, 02:50 UTC45m
2026-06-30 ZUD BWU → BWU Jun 30, 04:50 UTCJun 30, 05:30 UTC40m
2026-06-30 ZUD BWU → BWU Jun 30, 03:40 UTCJun 30, 04:35 UTC55m
2026-06-29 ZUD - Jun 29, 09:29 UTCJun 29, 10:20 UTC50m
2026-06-29 ZUD - Jun 29, 08:04 UTCJun 29, 08:54 UTC50m
2026-06-18 ZUD - Jun 18, 00:20 UTCJun 18, 01:05 UTC45m
2026-06-17 ZUD BWU → BHS Jun 17, 23:05 UTCJun 17, 23:40 UTC35m
2026-06-17 ZUD - Jun 17, 06:30 UTCJun 17, 07:00 UTC30m
2026-06-17 ZUD - Jun 17, 04:40 UTCJun 17, 05:50 UTC1h 10m
2026-06-17 ZUD BWU → BWU Jun 17, 03:05 UTCJun 17, 04:10 UTC1h 5m
2026-06-17 ZUD BWU → BWU Jun 17, 00:55 UTCJun 17, 02:00 UTC1h 5m
2026-06-16 ZUD BWU → BWU Jun 16, 22:15 UTCJun 16, 23:45 UTC1h 30m
2026-06-16 ZUD BWU → BWU Jun 16, 05:15 UTCJun 16, 06:45 UTC1h 30m
2026-06-16 ZUD - Jun 16, 02:50 UTCJun 16, 03:30 UTC40m
2026-06-16 ZUD - Jun 16, 01:35 UTCJun 16, 02:20 UTC45m
2026-06-15 ZUD BWU → BWU Jun 15, 04:10 UTCJun 15, 04:55 UTC45m
2026-06-13 ZUD BWU → BWU Jun 13, 23:05 UTCJun 14, 00:45 UTC1h 40m
2026-06-13 ZUD BWU → BWU Jun 13, 02:10 UTCJun 13, 03:00 UTC50m
2026-06-12 ZUD BWU → BWU Jun 12, 08:45 UTCJun 12, 11:15 UTC2h 30m
2026-06-12 ZUD BWU → BWU Jun 12, 04:50 UTCJun 12, 06:10 UTC1h 20m
2026-06-11 ZUD BWU → BWU Jun 11, 23:55 UTCJun 12, 00:30 UTC35m
2026-06-11 ZUD BWU → BWU Jun 11, 04:30 UTCJun 11, 05:40 UTC1h 10m
2026-06-10 ZUD BWU → BWU Jun 10, 02:25 UTCJun 10, 03:50 UTC1h 25m
2026-06-10 ZUD BWU → BWU Jun 10, 00:00 UTCJun 10, 01:10 UTC1h 10m
2026-06-09 ZUD BWU → BWU Jun 9, 05:55 UTCJun 9, 07:45 UTC1h 50m
2026-06-09 ZUD BWU → BWU Jun 9, 03:15 UTCJun 9, 03:55 UTC40m
2026-06-09 ZUD BWU → BWU Jun 9, 03:05 UTCJun 9, 03:10 UTC5m
2026-06-08 ZUD BWU → BWU Jun 8, 23:00 UTCJun 9, 00:30 UTC1h 30m
2026-06-08 ZUD BWU → BWU Jun 8, 08:20 UTCJun 8, 10:45 UTC2h 25m
2026-06-08 ZUD BWU → BWU Jun 8, 05:30 UTCJun 8, 05:50 UTC20m
2026-06-08 ZUD BWU → BWU Jun 8, 05:00 UTCJun 8, 05:25 UTC25m
2026-06-07 ZUD BWU → BWU Jun 7, 01:15 UTCJun 7, 02:00 UTC45m
2026-06-06 ZUD BWU → BWU Jun 6, 23:05 UTCJun 7, 00:10 UTC1h 5m
2026-06-06 ZUD BWU → BWU Jun 6, 03:35 UTCJun 6, 05:10 UTC1h 35m
2026-06-05 ZUD BWU → BWU Jun 5, 23:45 UTCJun 6, 00:35 UTC50m
2026-06-05 ZUD BWU → BWU Jun 5, 04:25 UTCJun 5, 06:15 UTC1h 50m
2026-06-05 ZUD BWU → BWU Jun 5, 01:40 UTCJun 5, 03:25 UTC1h 45m
2026-06-04 ZUD BWU → BWU Jun 4, 02:35 UTCJun 4, 03:15 UTC40m
2026-06-02 ZUD BWU → BWU Jun 2, 03:30 UTCJun 2, 03:40 UTC10m
2026-06-01 ZUD BWU → BWU Jun 1, 21:35 UTCJun 1, 22:15 UTC40m
2026-06-01 ZUD BWU → BWU Jun 1, 08:05 UTCJun 1, 10:30 UTC2h 25m
2026-06-01 ZUD BWU → BWU Jun 1, 03:15 UTCJun 1, 04:00 UTC45m
2026-05-31 ZUD BWU → BWU May 31, 22:30 UTCMay 31, 23:45 UTC1h 15m
2026-05-30 ZUD BWU → BWU May 30, 03:55 UTCMay 30, 05:10 UTC1h 15m

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

Mode-S 7C8163 frequently asked

What is Mode-S code 7C8163?
7C8163 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-ZUD.
Where is Mode-S 7C8163 registered?
Mode-S code 7C8163 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C8163 broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C8163, octal 37100543, decimal 8,159,587.
What flights does 7C8163 operate?
Mode-S 7C8163 has broadcast 1 distinct callsign, including ZUD.