Apparatus

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sensors Mode-S transponder

7C68D1

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-UZN · SWEARINGEN Metro · operated by SHARP AVIATION PTY. LTD.

Hex
7C68D1
Octal
37064321
Decimal
8,153,297
Country
AU
Tail
VH-UZN
Type
SW4
No current signal · last broadcast 21d ago
Flights observed
86
Distinct callsigns
10
Country
AU
Last broadcast
21d ago

Last known position

Most recent position reported by Mode-S 7C68D1.

Country allocation

The ICAO 24-bit address 7C68D1 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 10 distinct

Callsign Airline Flights Last seen
SH132 - 29 2026-06-25
SH135 - 22 2026-06-26
SH162 - 10 2026-06-17
SH161 - 10 2026-06-18
SH103 - 6 2026-06-22
SH108 - 5 2026-06-21
SH130 - 1 2026-04-19
SH129 - 1 2026-04-20
SH101F - 1 2026-04-28
SH101 - 1 2026-06-09

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-26 SH135 - Jun 26, 10:20 UTCJun 26, 10:55 UTC35m
2026-06-26 SH135 - Jun 26, 09:14 UTCJun 26, 09:30 UTC15m
2026-06-25 SH132 - Jun 25, 21:29 UTCJun 25, 21:40 UTC10m
2026-06-25 SH132 - Jun 25, 19:59 UTCJun 25, 20:25 UTC25m
2026-06-25 SH132 - Jun 25, 18:29 UTCJun 25, 19:05 UTC35m
2026-06-24 SH135 - Jun 24, 10:35 UTCJun 24, 11:14 UTC40m
2026-06-24 SH135 - Jun 24, 09:29 UTCJun 24, 09:39 UTC10m
2026-06-23 SH132 - Jun 23, 21:49 UTCJun 23, 21:59 UTC10m
2026-06-23 SH132 - Jun 23, 20:29 UTCJun 23, 20:44 UTC15m
2026-06-23 SH132 - Jun 23, 19:00 UTCJun 23, 19:34 UTC35m
2026-06-22 SH103 - Jun 22, 11:09 UTCJun 22, 11:39 UTC30m
2026-06-22 SH103 - Jun 22, 10:00 UTCJun 22, 10:15 UTC15m
2026-06-21 SH108 - Jun 21, 17:45 UTCJun 21, 18:14 UTC30m
2026-06-21 SH108 - Jun 21, 16:04 UTCJun 21, 16:49 UTC45m
2026-06-19 SH135 - Jun 19, 11:24 UTCJun 19, 12:04 UTC40m
2026-06-19 SH135 - Jun 19, 10:19 UTCJun 19, 10:39 UTC20m
2026-06-18 SH132 - Jun 18, 22:30 UTCJun 18, 22:50 UTC20m
2026-06-18 SH132 - Jun 18, 21:10 UTCJun 18, 21:35 UTC25m
2026-06-18 SH132 - Jun 18, 19:25 UTCJun 18, 20:05 UTC40m
2026-06-18 SH161 - Jun 18, 10:50 UTCJun 18, 11:30 UTC40m
2026-06-18 SH161 - Jun 18, 09:50 UTCJun 18, 10:05 UTC15m
2026-06-17 SH162 - Jun 17, 22:10 UTCJun 17, 22:25 UTC15m
2026-06-17 SH162 - Jun 17, 19:35 UTCJun 17, 20:10 UTC35m
2026-06-17 SH135 - Jun 17, 10:40 UTCJun 17, 11:15 UTC35m
2026-06-17 SH135 - Jun 17, 09:30 UTCJun 17, 09:50 UTC20m
2026-06-16 SH132 - Jun 16, 21:25 UTCJun 16, 21:40 UTC15m
2026-06-16 SH132 - Jun 16, 20:05 UTCJun 16, 20:30 UTC25m
2026-06-16 SH132 - Jun 16, 18:39 UTCJun 16, 19:15 UTC35m
2026-06-16 SH135 - Jun 16, 10:49 UTCJun 16, 11:25 UTC35m
2026-06-16 SH135 - Jun 16, 09:25 UTCJun 16, 09:50 UTC25m
2026-06-15 SH132 - Jun 15, 21:35 UTCJun 15, 21:50 UTC15m
2026-06-15 SH132 - Jun 15, 19:55 UTCJun 15, 20:20 UTC25m
2026-06-15 SH132 - Jun 15, 18:29 UTCJun 15, 19:10 UTC40m
2026-06-15 SH103 - Jun 15, 10:55 UTCJun 15, 11:30 UTC35m
2026-06-15 SH103 - Jun 15, 09:45 UTCJun 15, 10:00 UTC15m
2026-06-14 SH108 - Jun 14, 17:30 UTCJun 14, 17:50 UTC20m
2026-06-14 SH108 - Jun 14, 15:55 UTCJun 14, 16:35 UTC40m
2026-06-11 SH161 - Jun 11, 11:00 UTCJun 11, 11:35 UTC35m
2026-06-11 SH161 - Jun 11, 09:50 UTCJun 11, 10:05 UTC15m
2026-06-10 SH162 - Jun 10, 22:20 UTCJun 10, 22:45 UTC25m
2026-06-10 SH162 - Jun 10, 20:10 UTCJun 10, 20:45 UTC35m
2026-06-10 SH135 - Jun 10, 11:15 UTCJun 10, 11:50 UTC35m
2026-06-10 SH135 - Jun 10, 09:15 UTCJun 10, 09:40 UTC25m
2026-06-09 SH132 - Jun 9, 22:35 UTCJun 9, 22:45 UTC10m
2026-06-09 SH132 - Jun 9, 21:30 UTCJun 9, 21:50 UTC20m
2026-06-09 SH132 - Jun 9, 20:30 UTCJun 9, 21:00 UTC30m
2026-06-09 SH101 - Jun 9, 05:55 UTCJun 9, 06:20 UTC25m
2026-05-15 SH135 - May 15, 10:20 UTCMay 15, 10:55 UTC35m
2026-05-14 SH132 - May 14, 18:30 UTCMay 14, 19:10 UTC40m
2026-05-14 SH135 - May 14, 10:50 UTCMay 14, 11:25 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-UZN page for operator, model, and routing details .

Mode-S 7C68D1 frequently asked

What is Mode-S code 7C68D1?
7C68D1 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-UZN.
Where is Mode-S 7C68D1 registered?
Mode-S code 7C68D1 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C68D1 broadcasting right now?
No active broadcast right now. Last signal was 21d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C68D1, octal 37064321, decimal 8,153,297.
What flights does 7C68D1 operate?
Mode-S 7C68D1 has broadcast 10 distinct callsigns, including SH132, SH135, SH162, SH161, SH103.