Apparatus

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sensors Mode-S transponder

7C755F

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-XGX · PIPER PA-31-300/310/325/350/425 · operated by AIRMED AUSTRALIA PTY LTD

Hex
7C755F
Octal
37072537
Decimal
8,156,511
Country
AU
Tail
VH-XGX
Type
PA31
No current signal · last broadcast 4h ago
Flights observed
43
Distinct callsigns
1
Country
AU
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S 7C755F.

Country allocation

The ICAO 24-bit address 7C755F 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
AE855 - 43 2026-07-09

Recent flights last 43

DateFlightRouteTakeoffLandingDuration
2026-07-09 AE855 - Jul 9, 08:35 UTCJul 9, 09:15 UTC40m
2026-07-08 AE855 - Jul 8, 04:25 UTCJul 8, 05:00 UTC35m
2026-07-08 AE855 - Jul 8, 03:10 UTCJul 8, 03:40 UTC30m
2026-07-07 AE855 - Jul 7, 03:15 UTCJul 7, 03:45 UTC30m
2026-07-05 AE855 - Jul 5, 04:05 UTCJul 5, 04:35 UTC30m
2026-07-05 AE855 - Jul 5, 02:10 UTCJul 5, 02:40 UTC30m
2026-06-27 AE855 - Jun 27, 07:24 UTCJun 27, 08:10 UTC45m
2026-06-27 AE855 - Jun 27, 04:54 UTCJun 27, 05:44 UTC50m
2026-06-27 AE855 CES → BWU Jun 27, 03:09 UTCJun 27, 03:44 UTC35m
2026-06-27 AE855 - Jun 27, 01:49 UTCJun 27, 02:20 UTC30m
2026-06-26 AE855 - Jun 26, 23:09 UTCJun 26, 23:49 UTC40m
2026-06-25 AE855 - Jun 25, 04:25 UTCJun 25, 05:00 UTC35m
2026-06-25 AE855 - Jun 25, 01:40 UTCJun 25, 02:10 UTC30m
2026-06-25 AE855 - Jun 25, 00:29 UTCJun 25, 00:59 UTC30m
2026-06-22 AE855 - Jun 22, 05:20 UTCJun 22, 06:39 UTC1h 20m
2026-06-21 AE855 MTL → BWU Jun 21, 08:35 UTCJun 21, 09:10 UTC35m
2026-06-21 AE855 - Jun 21, 05:49 UTCJun 21, 06:29 UTC40m
2026-06-21 AE855 - Jun 21, 03:05 UTCJun 21, 04:04 UTC1h 0m
2026-06-18 AE855 - Jun 18, 09:00 UTCJun 18, 09:30 UTC30m
2026-06-18 AE855 - Jun 18, 05:35 UTCJun 18, 06:15 UTC40m
2026-06-18 AE855 BWU → BWU Jun 18, 05:20 UTCJun 18, 05:25 UTC5m
2026-06-17 AE855 - Jun 17, 04:55 UTCJun 17, 05:25 UTC30m
2026-06-16 AE855 - Jun 16, 06:30 UTCJun 16, 07:09 UTC40m
2026-06-16 AE855 - Jun 16, 03:30 UTCJun 16, 04:05 UTC35m
2026-06-16 AE855 - Jun 16, 00:35 UTCJun 16, 00:45 UTC10m
2026-06-15 AE855 - Jun 15, 23:15 UTCJun 15, 23:35 UTC20m
2026-06-15 AE855 - Jun 15, 07:25 UTCJun 15, 08:10 UTC45m
2026-06-15 AE855 PQQ → MTL Jun 15, 05:30 UTCJun 15, 06:20 UTC50m
2026-06-15 AE855 BWU → PQQ Jun 15, 04:04 UTCJun 15, 05:20 UTC1h 15m
2026-06-14 AE855 - Jun 14, 07:45 UTCJun 14, 08:20 UTC35m
2026-06-14 AE855 - Jun 14, 06:40 UTCJun 14, 07:10 UTC30m
2026-06-14 AE855 - Jun 14, 02:25 UTCJun 14, 03:20 UTC55m
2026-06-14 AE855 - Jun 14, 00:10 UTCJun 14, 01:10 UTC1h 0m
2026-06-13 AE855 BWU → BWU Jun 13, 23:40 UTCJun 14, 00:05 UTC25m
2026-06-13 AE855 - Jun 13, 09:00 UTCJun 13, 10:20 UTC1h 20m
2026-06-13 AE855 - Jun 13, 05:50 UTCJun 13, 07:10 UTC1h 20m
2026-06-13 AE855 - Jun 13, 03:20 UTCJun 13, 03:50 UTC30m
2026-06-07 AE855 - Jun 7, 03:25 UTCJun 7, 03:55 UTC30m
2026-05-25 AE855 - May 25, 08:20 UTCMay 25, 08:55 UTC35m
2026-05-25 AE855 - May 25, 04:00 UTCMay 25, 04:55 UTC55m
2026-05-24 AE855 - May 24, 05:30 UTCMay 24, 05:55 UTC25m
2026-05-24 AE855 - May 24, 04:20 UTCMay 24, 04:45 UTC25m
2026-05-24 AE855 - May 24, 02:40 UTCMay 24, 03:15 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-XGX page for operator, model, and routing details .

Mode-S 7C755F frequently asked

What is Mode-S code 7C755F?
7C755F is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-XGX.
Where is Mode-S 7C755F registered?
Mode-S code 7C755F is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C755F 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 7C755F, octal 37072537, decimal 8,156,511.
What flights does 7C755F operate?
Mode-S 7C755F has broadcast 1 distinct callsign, including AE855.