Apparatus

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sensors Mode-S transponder

7C44AE

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-NUO · FOKKER 70 · operated by ALLIANCE AIRLINES PTY LIMITED

Hex
7C44AE
Octal
37042256
Decimal
8,144,046
Country
AU
Tail
VH-NUO
Type
F70
No current signal · last broadcast 9d ago
Flights observed
35
Distinct callsigns
20
Country
AU
Last broadcast
9d ago

Last known position

Most recent position reported by Mode-S 7C44AE.

Country allocation

The ICAO 24-bit address 7C44AE 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 20 distinct

Callsign Airline Flights Last seen
UTY9812 Alliance Airlines 5 2026-04-25
VOZ1239 Virgin Australia 3 2026-05-18
VOZ1720 Virgin Australia 2 2026-05-15
VOZ1715 Virgin Australia 2 2026-05-15
VOZ1709 Virgin Australia 2 2026-05-15
VOZ1255 Virgin Australia 2 2026-05-17
VOZ1243 Virgin Australia 2 2026-05-16
UTY8462 Alliance Airlines 2 2026-05-13
UTY4073 Alliance Airlines 2 2026-05-19
VOZ1265 Virgin Australia 1 2026-05-17
VOZ1250 Virgin Australia 1 2026-04-28
UTY8515 Alliance Airlines 1 2026-04-30
UTY8514 Alliance Airlines 1 2026-05-14
UTY8464 Alliance Airlines 1 2026-05-20
UTY4359 Alliance Airlines 1 2026-05-21
UTY4358 Alliance Airlines 1 2026-05-20
UTY4072 Alliance Airlines 1 2026-05-18
UTY3370 Alliance Airlines 1 2026-05-20
UTY2837 Alliance Airlines 1 2026-05-06
UTY2836 Alliance Airlines 1 2026-05-07

Recent flights last 35

DateFlightRouteTakeoffLandingDuration
2026-05-21 UTY4359 MOV → BNE May 21, 03:20 UTCMay 21, 07:50 UTC4h 30m
2026-05-20 UTY3370 BNE → EMD May 20, 21:10 UTCMay 21, 00:50 UTC3h 40m
2026-05-20 UTY4358 BNE → MOV May 20, 08:40 UTCMay 20, 11:50 UTC3h 10m
2026-05-20 UTY8464 BNE → MOV May 20, 03:25 UTCMay 20, 06:45 UTC3h 21m
2026-05-19 UTY4073 MCY → BNE May 19, 01:10 UTCMay 19, 01:45 UTC35m
2026-05-18 UTY4073 MCY → BNE May 18, 21:50 UTCMay 19, 00:35 UTC2h 45m
2026-05-18 UTY4072 MCY → EMD May 18, 20:55 UTCMay 18, 21:10 UTC15m
2026-05-18 VOZ1239 BNE → ROK May 18, 01:20 UTCMay 18, 04:00 UTC2h 40m
2026-05-17 VOZ1255 BNE → EMD May 17, 21:10 UTCMay 18, 00:15 UTC3h 5m
2026-05-17 VOZ1265 BNE → EMD May 17, 05:00 UTCMay 17, 08:05 UTC3h 5m
2026-05-17 VOZ1239 BNE → ROK May 17, 01:15 UTCMay 17, 03:50 UTC2h 35m
2026-05-16 VOZ1243 BNE → ROK May 16, 03:10 UTCMay 16, 06:01 UTC2h 51m
2026-05-15 VOZ1709 BNE → GLT May 15, 22:40 UTCMay 16, 01:35 UTC2h 55m
2026-05-15 VOZ1720 GLT → BNE May 15, 07:55 UTCMay 15, 08:40 UTC45m
2026-05-15 VOZ1715 BNE → GLT May 15, 06:10 UTCMay 15, 06:45 UTC35m
2026-05-14 UTY8514 BNE → MOV May 14, 04:20 UTCMay 14, 07:40 UTC3h 20m
2026-05-13 UTY8462 BNE → MOV May 13, 22:15 UTCMay 14, 01:35 UTC3h 20m
2026-05-12 UTY2832 BNE → MOV May 12, 20:10 UTCMay 12, 23:30 UTC3h 20m
2026-05-11 VOZ1239 BNE → ROK May 11, 01:10 UTCMay 11, 03:50 UTC2h 40m
2026-05-10 VOZ1255 BNE → EMD May 10, 21:00 UTCMay 10, 23:50 UTC2h 50m
2026-05-09 VOZ1243 BNE → ROK May 9, 03:10 UTCMay 9, 05:50 UTC2h 40m
2026-05-08 VOZ1709 BNE → GLT May 8, 22:55 UTCMay 9, 01:45 UTC2h 50m
2026-05-08 VOZ1720 GLT → BNE May 8, 08:05 UTCMay 8, 08:40 UTC35m
2026-05-08 VOZ1715 BNE → GLT May 8, 05:54 UTCMay 8, 06:30 UTC35m
2026-05-07 UTY2836 BNE → MOV May 7, 05:00 UTCMay 7, 08:55 UTC3h 55m
2026-05-06 UTY2834 BNE → MOV May 6, 20:40 UTCMay 7, 00:10 UTC3h 30m
2026-05-06 UTY2837 MOV → BNE May 6, 05:50 UTCMay 6, 09:10 UTC3h 20m
2026-04-30 UTY8515 MOV → BNE Apr 30, 04:15 UTCApr 30, 09:40 UTC5h 25m
2026-04-29 UTY8462 BNE → MOV Apr 29, 22:15 UTCApr 30, 01:35 UTC3h 19m
2026-04-28 VOZ1250 ROK → BNE Apr 28, 06:40 UTCApr 28, 09:35 UTC2h 55m
2026-04-25 UTY9812 BNE → TSV Apr 25, 00:15 UTCApr 25, 01:30 UTC1h 15m
2026-04-20 UTY9812 BNE → TSV Apr 20, 01:05 UTCApr 20, 02:15 UTC1h 10m
2026-04-15 UTY9812 BNE → TSV Apr 15, 00:55 UTCApr 15, 01:15 UTC20m
2026-04-14 UTY9812 BNE → TSV Apr 14, 23:25 UTCApr 15, 00:50 UTC1h 25m
2026-04-13 UTY9812 BNE → BNE Apr 13, 00:55 UTCApr 13, 02:55 UTC2h 0m

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

Mode-S 7C44AE frequently asked

What is Mode-S code 7C44AE?
7C44AE is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-NUO.
Where is Mode-S 7C44AE registered?
Mode-S code 7C44AE is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C44AE broadcasting right now?
No active broadcast right now. Last signal was 9d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C44AE, octal 37042256, decimal 8,144,046.
What flights does 7C44AE operate?
Mode-S 7C44AE has broadcast 20 distinct callsigns, including UTY9812, VOZ1239, VOZ1720, VOZ1715, VOZ1709.