Apparatus

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sensors Mode-S transponder

7C6783

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-UQD · FOKKER 100 · operated by ALLIANCE AIRLINES PTY LIMITED

Hex
7C6783
Octal
37063603
Decimal
8,152,963
Country
AU
Tail
VH-UQD
Type
F100
No current signal · last broadcast Jul 26, 22:45 UTC
Flights observed
131
Distinct callsigns
20
Country
AU
Last broadcast
Jul 26, 22:45 UTC

Last known position

Most recent position reported by Mode-S 7C6783.

Country allocation

The ICAO 24-bit address 7C6783 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
UTY4831 - 7 2026-07-09
UTY753 Alliance Airlines 6 2026-07-23
UTY752 Alliance Airlines 6 2026-07-23
UTY6520 - 6 2026-05-11
UTY6521 - 5 2026-07-19
UTY4832 - 5 2026-06-24
UTY751 Alliance Airlines 4 2026-07-23
UTY750 Alliance Airlines 4 2026-07-23
UTY6081 - 4 2026-07-15
VOZ9203 Virgin Australia 3 2026-06-29
UTY870 - 3 2026-06-10
UTY802 - 3 2026-07-20
UTY737 - 3 2026-07-01
UTY6503 - 3 2026-06-18
UTY6301 Alliance Airlines 3 2026-07-21
UTY6300 - 3 2026-07-21
UTY4100 - 3 2026-05-20
UTY953 Alliance Airlines 2 2026-06-09
UTY878 - 2 2026-06-11
UTY804 - 2 2026-07-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 UTY6302 PER → KGI Jul 26, 22:25 UTCJul 26, 22:45 UTC20m
2026-07-26 UTY6321 KGI → PER Jul 26, 09:35 UTCJul 26, 10:30 UTC55m
2026-07-26 UTY6320 PER → KGI Jul 26, 08:10 UTCJul 26, 09:00 UTC50m
2026-07-23 UTY753 KGI → PER Jul 23, 08:40 UTCJul 23, 09:45 UTC1h 5m
2026-07-23 UTY752 ISA → TSV Jul 23, 06:50 UTCJul 23, 07:40 UTC50m
2026-07-23 UTY751 TSV → ISA Jul 23, 04:25 UTCJul 23, 05:00 UTC35m
2026-07-23 UTY751 TSV → ISA Jul 23, 03:40 UTCJul 23, 03:50 UTC10m
2026-07-23 UTY750 PER → KGI Jul 23, 02:30 UTCJul 23, 02:40 UTC10m
2026-07-22 UTY750 PER → KGI Jul 22, 23:10 UTCJul 23, 00:40 UTC1h 30m
2026-07-22 UTY6311 KGI → PER Jul 22, 11:30 UTCJul 22, 12:15 UTC45m
2026-07-21 UTY6301 KGI → PER Jul 21, 23:40 UTCJul 22, 00:40 UTC1h 0m
2026-07-21 UTY6300 PER → KGI Jul 21, 21:10 UTCJul 21, 22:00 UTC50m
2026-07-21 UTY956 PER → LNO Jul 21, 06:25 UTCJul 21, 09:25 UTC3h 0m
2026-07-20 UTY802 PER → PER Jul 20, 22:50 UTCJul 21, 01:35 UTC2h 45m
2026-07-20 UTY6305 KGI → PER Jul 20, 09:25 UTCJul 20, 10:40 UTC1h 15m
2026-07-20 UTY6304 PER → KGI Jul 20, 07:35 UTCJul 20, 08:30 UTC55m
2026-07-19 UTY6521 PER → PER Jul 19, 21:55 UTCJul 20, 00:55 UTC3h 0m
2026-07-19 UTY7870 PER → PER Jul 19, 02:10 UTCJul 19, 07:00 UTC4h 50m
2026-07-15 UTY6081 - Jul 15, 08:55 UTCJul 15, 09:20 UTC25m
2026-07-15 UTY6081 - Jul 15, 01:15 UTCJul 15, 07:55 UTC6h 40m
2026-07-15 UTY6080 - Jul 15, 00:00 UTCJul 15, 00:20 UTC20m
2026-07-09 UTY4831 PER → PER Jul 9, 22:00 UTCJul 10, 05:05 UTC7h 5m
2026-07-07 UTY731 PER → PER Jul 7, 21:50 UTCJul 8, 02:35 UTC4h 45m
2026-07-07 UTY804 PER → PER Jul 7, 08:35 UTCJul 7, 11:30 UTC2h 55m
2026-07-06 UTY4831 PER → PER Jul 6, 21:50 UTCJul 7, 05:10 UTC7h 20m
2026-07-06 UTY6305 KGI → PER Jul 6, 09:25 UTCJul 6, 10:45 UTC1h 20m
2026-07-06 UTY6304 PER → KGI Jul 6, 07:40 UTCJul 6, 08:30 UTC50m
2026-07-05 UTY6500 PER → PER Jul 5, 23:00 UTCJul 6, 01:40 UTC2h 40m
2026-07-02 UTY4831 PER → PER Jul 2, 21:50 UTCJul 3, 06:35 UTC8h 45m
2026-07-02 UTY5206 PER → PER Jul 2, 07:30 UTCJul 2, 11:50 UTC4h 20m
2026-07-01 UTY4831 PER → PER Jul 1, 21:45 UTCJul 2, 04:50 UTC7h 5m
2026-07-01 UTY737 PER → PER Jul 1, 06:45 UTCJul 1, 11:30 UTC4h 45m
2026-06-30 UTY733 PER → PER Jun 30, 23:05 UTCJul 1, 04:05 UTC5h 0m
2026-06-30 UTY6360 PER → SLJ Jun 30, 03:10 UTCJun 30, 07:20 UTC4h 10m
2026-06-29 UTY802 PER → PER Jun 29, 22:35 UTCJun 30, 01:40 UTC3h 6m
2026-06-29 VOZ9203 PER → KNX Jun 29, 01:10 UTCJun 29, 08:24 UTC7h 15m
2026-06-25 UTY753 KGI → PER Jun 25, 08:30 UTCJun 25, 09:40 UTC1h 10m
2026-06-25 UTY752 PER → KGI Jun 25, 06:40 UTCJun 25, 07:30 UTC50m
2026-06-24 UTY4832 PER → PER Jun 24, 21:40 UTCJun 25, 05:20 UTC7h 40m
2026-06-24 UTY6311 KGI → PER Jun 24, 11:24 UTCJun 24, 12:40 UTC1h 15m
2026-06-24 UTY6310 PER → KGI Jun 24, 08:20 UTCJun 24, 09:09 UTC50m
2026-06-24 UTY6301 KGI → PER Jun 24, 03:40 UTCJun 24, 04:55 UTC1h 15m
2026-06-24 UTY6300 PER → KGI Jun 24, 02:15 UTCJun 24, 03:04 UTC50m
2026-06-23 UTY735 PER → PER Jun 23, 07:45 UTCJun 23, 12:20 UTC4h 35m
2026-06-22 UTY4832 PER → PER Jun 22, 21:49 UTCJun 23, 05:00 UTC7h 10m
2026-06-22 VOZ9203 PER → KNX Jun 22, 01:05 UTCJun 22, 08:25 UTC7h 20m
2026-06-19 UTY5203 - Jun 19, 02:09 UTCJun 19, 02:54 UTC45m
2026-06-18 UTY5202 - Jun 18, 23:50 UTCJun 19, 00:14 UTC24m
2026-06-18 UTY6503 PER → PER Jun 18, 06:55 UTCJun 18, 09:35 UTC2h 40m
2026-06-17 VOZ2501 PER → PER Jun 17, 22:25 UTCJun 18, 03:05 UTC4h 40m

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

Mode-S 7C6783 frequently asked

What is Mode-S code 7C6783?
7C6783 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-UQD.
Where is Mode-S 7C6783 registered?
Mode-S code 7C6783 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C6783 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C6783, octal 37063603, decimal 8,152,963.
What flights does 7C6783 operate?
Mode-S 7C6783 has broadcast 20 distinct callsigns, including UTY4831, UTY753, UTY752, UTY6520, UTY6521.