Apparatus

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sensors Mode-S transponder

7C6D39

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-VUZ · BOEING 737-800 · operated by VIRGIN AUSTRALIA AIRLINES PTY LTD

Hex
7C6D39
Octal
37066471
Decimal
8,154,425
Country
AU
Tail
VH-VUZ
Type
B738
No current signal · last broadcast 1h ago
Flights observed
365
Distinct callsigns
20
Country
AU
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 7C6D39.

Country allocation

The ICAO 24-bit address 7C6D39 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
VOZ817 - 5 2026-06-22
VOZ682 Virgin Australia 5 2026-05-25
VOZ331 Virgin Australia 5 2026-06-05
VOZ993 Virgin Australia 4 2026-06-10
VOZ970 Virgin Australia 4 2026-06-05
VOZ931 - 4 2026-06-23
VOZ849 - 4 2026-06-24
VOZ830 Virgin Australia 4 2026-06-13
VOZ691 - 4 2026-07-06
VOZ557 Virgin Australia 4 2026-05-21
VOZ542 - 4 2026-07-02
VOZ533 - 4 2026-07-02
VOZ466 - 4 2026-07-04
VOZ414 Virgin Australia 4 2026-06-09
VOZ412 - 4 2026-06-24
VOZ321 - 4 2026-07-13
VOZ231 - 4 2026-07-14
VOZ1291 - 4 2026-07-07
VOZ978 Virgin Australia 3 2026-05-19
VOZ924 - 3 2026-06-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 VOZ1349 - Jul 14, 21:55 UTCJul 14, 22:15 UTC20m
2026-07-14 VOZ429 - Jul 14, 07:15 UTCJul 14, 08:55 UTC1h 40m
2026-07-14 VOZ231 MEL → ADL Jul 14, 05:10 UTCJul 14, 06:10 UTC1h 0m
2026-07-14 VOZ1320 MEL → MEL Jul 14, 00:45 UTCJul 14, 03:40 UTC2h 55m
2026-07-13 VOZ816 - Jul 13, 22:15 UTCJul 13, 23:30 UTC1h 15m
2026-07-13 VOZ803 MEL → SYD Jul 13, 20:10 UTCJul 13, 21:15 UTC1h 5m
2026-07-13 VOZ1330 MEL → MEL Jul 13, 08:55 UTCJul 13, 11:45 UTC2h 50m
2026-07-13 VOZ334 BNE → MEL Jul 13, 05:05 UTCJul 13, 07:10 UTC2h 5m
2026-07-13 VOZ321 MEL → BNE Jul 13, 00:45 UTCJul 13, 02:40 UTC1h 55m
2026-07-12 VOZ256 - Jul 12, 22:20 UTCJul 12, 23:30 UTC1h 10m
2026-07-12 VOZ253 - Jul 12, 20:35 UTCJul 12, 21:10 UTC35m
2026-07-12 VOZ358 BNE → MEL Jul 12, 12:10 UTCJul 12, 14:10 UTC2h 0m
2026-07-12 VOZ1227 - Jul 12, 09:25 UTCJul 12, 10:45 UTC1h 20m
2026-07-12 VOZ1224 - Jul 12, 07:01 UTCJul 12, 08:30 UTC1h 30m
2026-07-12 VOZ327 MEL → BNE Jul 12, 02:30 UTCJul 12, 04:15 UTC1h 45m
2026-07-11 VOZ730 - Jul 11, 23:05 UTCJul 12, 01:10 UTC2h 5m
2026-07-11 VOZ725 - Jul 11, 20:35 UTCJul 11, 22:10 UTC1h 35m
2026-07-11 VOZ1681 MEL → MEL Jul 11, 03:20 UTCJul 11, 09:40 UTC6h 20m
2026-07-10 VOZ1316 MEL → MEL Jul 10, 23:10 UTCJul 11, 02:05 UTC2h 55m
2026-07-10 VOZ1334 MEL → MEL Jul 10, 11:55 UTCJul 10, 21:50 UTC9h 55m
2026-07-08 VOZ1373 - Jul 8, 07:05 UTCJul 8, 07:40 UTC35m
2026-07-08 VOZ1368 - Jul 8, 05:00 UTCJul 8, 05:40 UTC40m
2026-07-07 VOZ1291 MEL → MEL Jul 7, 20:40 UTCJul 8, 04:00 UTC7h 20m
2026-07-07 VOZ284 - Jul 7, 10:35 UTCJul 7, 11:25 UTC50m
2026-07-07 VOZ281 - Jul 7, 09:00 UTCJul 7, 09:40 UTC40m
2026-07-07 VOZ224 ADL → MEL Jul 7, 06:50 UTCJul 7, 07:40 UTC50m
2026-07-07 VOZ227 MEL → ADL Jul 7, 04:55 UTCJul 7, 05:50 UTC55m
2026-07-07 VOZ212 ADL → MEL Jul 7, 01:30 UTCJul 7, 02:35 UTC1h 5m
2026-07-06 VOZ211 MEL → ADL Jul 6, 21:50 UTCJul 6, 22:50 UTC1h 0m
2026-07-06 VOZ702 PER → MEL Jul 6, 10:20 UTCJul 6, 13:40 UTC3h 20m
2026-07-06 VOZ691 MEL → PER Jul 6, 04:55 UTCJul 6, 08:30 UTC3h 35m
2026-07-06 VOZ838 SYD → MEL Jul 6, 02:25 UTCJul 6, 03:30 UTC1h 5m
2026-07-06 VOZ829 MEL → SYD Jul 6, 00:00 UTCJul 6, 01:10 UTC1h 10m
2026-07-05 VOZ700 PER → MEL Jul 5, 09:10 UTCJul 5, 12:30 UTC3h 20m
2026-07-04 VOZ466 BNE → PER Jul 4, 02:40 UTCJul 4, 07:45 UTC5h 5m
2026-07-03 VOZ1385 ADL → BNE Jul 3, 20:45 UTCJul 3, 22:50 UTC2h 5m
2026-07-03 VOZ247 - Jul 3, 11:05 UTCJul 3, 12:10 UTC1h 5m
2026-07-03 VOZ872 SYD → MEL Jul 3, 08:55 UTCJul 3, 10:15 UTC1h 20m
2026-07-03 VOZ530 - Jul 3, 05:40 UTCJul 3, 07:00 UTC1h 20m
2026-07-03 VOZ523 - Jul 3, 03:40 UTCJul 3, 04:40 UTC1h 0m
2026-07-03 VOZ413 - Jul 3, 00:25 UTCJul 3, 01:55 UTC1h 30m
2026-07-02 VOZ404 SYD → ADL Jul 2, 21:35 UTCJul 2, 23:30 UTC1h 55m
2026-07-02 VOZ542 - Jul 2, 08:35 UTCJul 2, 09:50 UTC1h 15m
2026-07-02 VOZ533 - Jul 2, 06:35 UTCJul 2, 07:35 UTC1h 0m
2026-07-02 VOZ847 MEL → SYD Jul 2, 04:20 UTCJul 2, 05:25 UTC1h 5m
2026-07-01 VOZ680 PER → MEL Jul 1, 23:30 UTCJul 2, 02:50 UTC3h 20m
2026-07-01 VOZ476 BNE → PER Jul 1, 10:35 UTCJul 1, 16:10 UTC5h 35m
2026-06-30 VOZ973 SYD → BNE Jun 30, 09:00 UTCJun 30, 10:10 UTC1h 10m
2026-06-30 VOZ425 ADL → SYD Jun 30, 06:05 UTCJun 30, 07:40 UTC1h 35m
2026-06-30 VOZ418 - Jun 30, 04:05 UTCJun 30, 05:15 UTC1h 10m

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

Mode-S 7C6D39 frequently asked

What is Mode-S code 7C6D39?
7C6D39 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-VUZ.
Where is Mode-S 7C6D39 registered?
Mode-S code 7C6D39 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C6D39 broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C6D39, octal 37066471, decimal 8,154,425.
What flights does 7C6D39 operate?
Mode-S 7C6D39 has broadcast 20 distinct callsigns, including VOZ817, VOZ682, VOZ331, VOZ993, VOZ970.