Apparatus

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sensors Mode-S transponder

7C678D

ICAO 24-bit transponder address · allocated to Australia

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

Hex
7C678D
Octal
37063615
Decimal
8,152,973
Country
AU
Tail
VH-UQN
Type
F100
No current signal · last broadcast 1d ago
Flights observed
130
Distinct callsigns
17
Country
AU
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 7C678D.

Country allocation

The ICAO 24-bit address 7C678D 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 17 distinct

Callsign Airline Flights Last seen
VOZ1105 Virgin Australia 21 2026-05-29
VOZ1102 Virgin Australia 20 2026-05-29
VOZ1107 Virgin Australia 16 2026-05-28
VOZ1104 Virgin Australia 16 2026-05-28
VOZ1108 Virgin Australia 15 2026-05-28
VOZ1101 Virgin Australia 14 2026-05-28
VOZ1235 Virgin Australia 5 2026-05-01
VOZ1249 Virgin Australia 4 2026-05-01
VOZ1246 Virgin Australia 4 2026-04-23
UTY880 Alliance Airlines 4 2026-05-24
VOZ1243 Virgin Australia 3 2026-05-01
VOZ1232 Virgin Australia 3 2026-04-22
VOZ1238 Virgin Australia 1 2026-04-15
UTY642 Alliance Airlines 1 2026-04-29
UTY4730 Alliance Airlines 1 2026-04-21
UTY3385 Alliance Airlines 1 2026-04-21
UTY3372 Alliance Airlines 1 2026-05-11

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 VOZ1105 NTL → BNE May 29, 02:20 UTCMay 29, 03:25 UTC1h 5m
2026-05-29 VOZ1102 BNE → NTL May 29, 00:20 UTCMay 29, 01:30 UTC1h 10m
2026-05-28 VOZ1101 BNE → NTL May 28, 22:15 UTCMay 28, 23:10 UTC55m
2026-05-28 VOZ1108 BNE → NTL May 28, 09:55 UTCMay 28, 10:55 UTC1h 0m
2026-05-28 VOZ1107 NTL → BNE May 28, 07:05 UTCMay 28, 08:45 UTC1h 40m
2026-05-28 VOZ1104 BNE → NTL May 28, 05:15 UTCMay 28, 06:15 UTC1h 0m
2026-05-28 VOZ1105 NTL → BNE May 28, 02:45 UTCMay 28, 04:00 UTC1h 15m
2026-05-28 VOZ1102 BNE → NTL May 28, 01:00 UTCMay 28, 01:55 UTC55m
2026-05-27 VOZ1101 BNE → NTL May 27, 22:05 UTCMay 27, 23:20 UTC1h 15m
2026-05-27 VOZ1108 BNE → NTL May 27, 09:45 UTCMay 27, 10:40 UTC55m
2026-05-27 VOZ1107 NTL → BNE May 27, 06:15 UTCMay 27, 08:15 UTC2h 0m
2026-05-27 VOZ1104 BNE → NTL May 27, 04:19 UTCMay 27, 05:19 UTC1h 0m
2026-05-27 VOZ1105 NTL → BNE May 27, 02:09 UTCMay 27, 03:24 UTC1h 15m
2026-05-27 VOZ1102 BNE → NTL May 27, 00:19 UTCMay 27, 01:19 UTC1h 0m
2026-05-26 VOZ1101 BNE → NTL May 26, 21:59 UTCMay 26, 23:10 UTC1h 10m
2026-05-26 VOZ1108 BNE → NTL May 26, 07:45 UTCMay 26, 08:45 UTC1h 0m
2026-05-26 VOZ1107 NTL → BNE May 26, 05:30 UTCMay 26, 06:34 UTC1h 5m
2026-05-26 VOZ1104 BNE → NTL May 26, 03:45 UTCMay 26, 04:45 UTC1h 0m
2026-05-26 VOZ1105 NTL → BNE May 26, 01:14 UTCMay 26, 02:19 UTC1h 5m
2026-05-25 VOZ1102 BNE → NTL May 25, 23:24 UTCMay 26, 00:19 UTC55m
2026-05-24 UTY880 BNE → TQP May 24, 20:50 UTCMay 25, 09:10 UTC12h 20m
2026-05-21 UTY880 BNE → TQP May 21, 04:20 UTCMay 21, 05:35 UTC1h 15m
2026-05-21 VOZ1105 NTL → BNE May 21, 01:30 UTCMay 21, 02:30 UTC1h 0m
2026-05-20 VOZ1102 BNE → NTL May 20, 23:35 UTCMay 21, 00:40 UTC1h 5m
2026-05-20 VOZ1101 BNE → NTL May 20, 21:30 UTCMay 20, 22:25 UTC55m
2026-05-20 VOZ1108 BNE → NTL May 20, 07:40 UTCMay 20, 08:50 UTC1h 10m
2026-05-20 VOZ1107 NTL → BNE May 20, 05:35 UTCMay 20, 06:45 UTC1h 10m
2026-05-20 VOZ1104 BNE → NTL May 20, 03:45 UTCMay 20, 04:45 UTC1h 1m
2026-05-20 VOZ1105 NTL → BNE May 20, 01:20 UTCMay 20, 02:25 UTC1h 5m
2026-05-19 VOZ1102 BNE → NTL May 19, 23:30 UTCMay 20, 00:35 UTC1h 5m
2026-05-19 VOZ1101 BNE → NTL May 19, 21:05 UTCMay 19, 22:15 UTC1h 10m
2026-05-19 VOZ1108 BNE → NTL May 19, 07:40 UTCMay 19, 08:40 UTC1h 0m
2026-05-19 VOZ1107 NTL → BNE May 19, 05:40 UTCMay 19, 06:50 UTC1h 10m
2026-05-19 VOZ1104 BNE → NTL May 19, 03:35 UTCMay 19, 04:40 UTC1h 5m
2026-05-19 VOZ1105 NTL → BNE May 19, 01:40 UTCMay 19, 02:40 UTC1h 0m
2026-05-18 VOZ1102 BNE → NTL May 18, 23:35 UTCMay 19, 00:40 UTC1h 5m
2026-05-18 VOZ1101 BNE → NTL May 18, 21:10 UTCMay 18, 22:15 UTC1h 5m
2026-05-18 VOZ1108 BNE → NTL May 18, 09:00 UTCMay 18, 10:05 UTC1h 5m
2026-05-18 VOZ1107 NTL → BNE May 18, 06:20 UTCMay 18, 07:35 UTC1h 15m
2026-05-18 VOZ1104 BNE → NTL May 18, 04:20 UTCMay 18, 05:20 UTC1h 0m
2026-05-18 VOZ1105 NTL → BNE May 18, 02:05 UTCMay 18, 03:10 UTC1h 5m
2026-05-18 VOZ1102 BNE → NTL May 18, 00:20 UTCMay 18, 01:20 UTC1h 0m
2026-05-14 UTY880 BNE → TQP May 14, 04:05 UTCMay 14, 09:55 UTC5h 50m
2026-05-14 VOZ1105 NTL → BNE May 14, 01:10 UTCMay 14, 02:20 UTC1h 10m
2026-05-13 VOZ1102 BNE → NTL May 13, 23:20 UTCMay 14, 00:20 UTC1h 0m
2026-05-13 VOZ1101 BNE → NTL May 13, 21:05 UTCMay 13, 22:20 UTC1h 15m
2026-05-13 VOZ1108 BNE → NTL May 13, 07:50 UTCMay 13, 08:45 UTC55m
2026-05-13 VOZ1107 NTL → BNE May 13, 05:45 UTCMay 13, 06:55 UTC1h 10m
2026-05-13 VOZ1104 BNE → NTL May 13, 03:55 UTCMay 13, 04:55 UTC1h 0m
2026-05-13 VOZ1105 NTL → BNE May 13, 01:40 UTCMay 13, 02:55 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-UQN page for operator, model, and routing details .

Mode-S 7C678D frequently asked

What is Mode-S code 7C678D?
7C678D is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-UQN.
Where is Mode-S 7C678D registered?
Mode-S code 7C678D is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C678D broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C678D, octal 37063615, decimal 8,152,973.
What flights does 7C678D operate?
Mode-S 7C678D has broadcast 17 distinct callsigns, including VOZ1105, VOZ1102, VOZ1107, VOZ1104, VOZ1108.