Apparatus

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sensors Mode-S transponder

7C7AA4

ICAO 24-bit transponder address · allocated to Australia

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

Hex
7C7AA4
Octal
37075244
Decimal
8,157,860
Country
AU
Tail
VH-YIE
Type
B738
Transponder active on ground
Flights observed
171
Distinct callsigns
20
Country
AU
Last broadcast
14h ago

Last known position

Most recent position reported by Mode-S 7C7AA4.

Country allocation

The ICAO 24-bit address 7C7AA4 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
VOZ254 Virgin Australia 4 2026-05-28
VOZ958 Virgin Australia 3 2026-05-08
VOZ895 Virgin Australia 3 2026-05-22
VOZ874 Virgin Australia 3 2026-05-22
VOZ476 - 3 2026-04-17
VOZ353 Virgin Australia 3 2026-05-03
VOZ346 Virgin Australia 3 2026-04-20
VOZ291 Virgin Australia 3 2026-05-28
VOZ1003 Virgin Australia 3 2026-05-25
VOZ978 Virgin Australia 2 2026-05-27
VOZ962 Virgin Australia 2 2026-05-17
VOZ957 Virgin Australia 2 2026-04-15
VOZ924 Virgin Australia 2 2026-04-15
VOZ889 Virgin Australia 2 2026-05-29
VOZ879 Virgin Australia 2 2026-05-21
VOZ862 Virgin Australia 2 2026-05-13
VOZ816 Virgin Australia 2 2026-05-27
VOZ808 Virgin Australia 2 2026-05-13
VOZ775 Virgin Australia 2 2026-05-07
VOZ736 Virgin Australia 2 2026-05-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 VOZ889 MEL → SYD May 29, 10:05 UTCMay 29, 11:05 UTC1h 0m
2026-05-29 VOZ866 SYD → MEL May 29, 07:15 UTCMay 29, 08:30 UTC1h 15m
2026-05-29 VOZ526 OOL → SYD May 29, 04:45 UTCMay 29, 05:50 UTC1h 5m
2026-05-29 VOZ519 SYD → OOL May 29, 02:45 UTCMay 29, 03:45 UTC1h 0m
2026-05-28 VOZ829 MEL → SYD May 28, 23:40 UTCMay 29, 00:50 UTC1h 10m
2026-05-28 VOZ254 CBR → MEL May 28, 21:20 UTCMay 28, 22:10 UTC50m
2026-05-28 VOZ291 MEL → CBR May 28, 11:55 UTCMay 28, 12:45 UTC50m
2026-05-28 VOZ238 ADL → MEL May 28, 09:50 UTCMay 28, 10:45 UTC55m
2026-05-28 VOZ231 MEL → ADL May 28, 06:00 UTCMay 28, 07:00 UTC1h 0m
2026-05-28 VOZ1320 MEL → HBA May 28, 00:55 UTCMay 28, 04:50 UTC3h 55m
2026-05-27 VOZ816 SYD → MEL May 27, 22:10 UTCMay 27, 23:15 UTC1h 5m
2026-05-27 VOZ978 BNE → SYD May 27, 08:55 UTCMay 27, 10:00 UTC1h 5m
2026-05-27 VOZ1118 PPP → BNE May 27, 05:55 UTCMay 27, 07:25 UTC1h 31m
2026-05-27 VOZ1117 BNE → PPP May 27, 03:09 UTCMay 27, 04:45 UTC1h 35m
2026-05-26 VOZ993 SYD → BNE May 26, 10:44 UTCMay 26, 12:00 UTC1h 15m
2026-05-26 VOZ978 BNE → SYD May 26, 08:19 UTCMay 26, 09:29 UTC1h 10m
2026-05-25 VOZ1003 HBA → BNE May 25, 23:54 UTCMay 26, 06:04 UTC6h 10m
2026-05-25 VOZ901 SYD → BNE May 25, 20:19 UTCMay 25, 21:35 UTC1h 15m
2026-05-25 VOZ560 PER → SYD May 25, 05:50 UTCMay 25, 09:50 UTC4h 0m
2026-05-25 VOZ555 SYD → PER May 25, 03:40 UTCMay 25, 04:30 UTC50m
2026-05-24 VOZ555 SYD → PER May 24, 23:45 UTCMay 24, 23:46 UTC1m
2026-05-24 VOZ500 OOL → SYD May 24, 20:20 UTCMay 24, 21:35 UTC1h 15m
2026-05-24 VOZ541 SYD → OOL May 24, 08:35 UTCMay 24, 09:35 UTC1h 0m
2026-05-24 VOZ1282 HTI → SYD May 24, 05:10 UTCMay 24, 06:55 UTC1h 45m
2026-05-24 VOZ1281 SYD → HTI May 24, 01:50 UTCMay 24, 04:00 UTC2h 10m
2026-05-22 VOZ181 SYD → NAN May 22, 23:50 UTCMay 23, 09:00 UTC9h 10m
2026-05-22 VOZ895 MEL → SYD May 22, 10:50 UTCMay 22, 11:55 UTC1h 5m
2026-05-22 VOZ874 SYD → MEL May 22, 08:35 UTCMay 22, 09:50 UTC1h 15m
2026-05-22 VOZ1282 HTI → SYD May 22, 02:00 UTCMay 22, 07:15 UTC5h 15m
2026-05-21 VOZ512 OOL → SYD May 21, 23:50 UTCMay 22, 00:55 UTC1h 5m
2026-05-21 VOZ505 SYD → OOL May 21, 21:55 UTCMay 21, 22:55 UTC1h 0m
2026-05-21 VOZ879 MEL → SYD May 21, 08:40 UTCMay 21, 09:45 UTC1h 5m
2026-05-21 VOZ1040 MCY → MEL May 21, 04:25 UTCMay 21, 06:35 UTC2h 10m
2026-05-21 VOZ1037 MEL → MCY May 21, 01:35 UTCMay 21, 03:25 UTC1h 50m
2026-05-20 VOZ314 BNE → MEL May 20, 22:05 UTCMay 21, 00:10 UTC2h 5m
2026-05-20 VOZ613 BNE → MKY May 20, 05:30 UTCMay 20, 08:55 UTC3h 25m
2026-05-19 VOZ605 BNE → MKY May 19, 23:20 UTCMay 20, 02:50 UTC3h 30m
2026-05-19 VOZ303 MEL → BNE May 19, 20:15 UTCMay 19, 22:10 UTC1h 55m
2026-05-18 VOZ195 MEL → NAN May 18, 23:35 UTCMay 19, 10:05 UTC10h 30m
2026-05-18 VOZ1036 MCY → MEL May 18, 03:40 UTCMay 18, 05:45 UTC2h 5m
2026-05-18 VOZ1031 MEL → MCY May 18, 00:30 UTCMay 18, 02:30 UTC2h 0m
2026-05-17 VOZ810 SYD → MEL May 17, 21:55 UTCMay 17, 23:20 UTC1h 25m
2026-05-17 VOZ996 BNE → SYD May 17, 11:20 UTCMay 17, 12:35 UTC1h 15m
2026-05-17 VOZ977 SYD → BNE May 17, 09:10 UTCMay 17, 10:20 UTC1h 10m
2026-05-17 VOZ962 BNE → SYD May 17, 06:30 UTCMay 17, 07:50 UTC1h 20m
2026-05-17 VOZ329 MEL → BNE May 17, 03:40 UTCMay 17, 05:30 UTC1h 50m
2026-05-17 VOZ1458 DRW → MEL May 17, 00:55 UTCMay 17, 01:30 UTC35m
2026-05-16 VOZ1463 MEL → DRW May 16, 10:55 UTCMay 16, 11:11 UTC15m
2026-05-16 VOZ1463 MEL → DRW May 16, 06:41 UTCMay 16, 07:11 UTC30m
2026-05-16 VOZ846 SYD → MEL May 16, 04:10 UTCMay 16, 05:15 UTC1h 5m

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

Mode-S 7C7AA4 frequently asked

What is Mode-S code 7C7AA4?
7C7AA4 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-YIE.
Where is Mode-S 7C7AA4 registered?
Mode-S code 7C7AA4 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C7AA4 broadcasting right now?
Mode-S 7C7AA4 is currently broadcasting from the ground.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C7AA4, octal 37075244, decimal 8,157,860.
What flights does 7C7AA4 operate?
Mode-S 7C7AA4 has broadcast 20 distinct callsigns, including VOZ254, VOZ958, VOZ895, VOZ874, VOZ476.