Apparatus

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sensors Mode-S transponder

7CAF17

ICAO 24-bit transponder address · allocated to Australia

Hex
7CAF17
Octal
37127427
Decimal
8,171,287
Country
AU
No current signal · last broadcast 1h ago
Flights observed
76
Distinct callsigns
20
Country
AU
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 7CAF17.

Country allocation

The ICAO 24-bit address 7CAF17 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
VOZ466 - 8 2026-06-26
VOZ771 Virgin Australia 6 2026-06-26
VOZ471 - 6 2026-06-26
BOE027 - 5 2026-05-12
VOZ9947 Virgin Australia 4 2026-06-02
VOZ845 - 2 2026-06-22
VOZ677 - 2 2026-06-18
VOZ9946 Virgin Australia 1 2026-05-26
VOZ970 - 1 2026-06-21
VOZ951 - 1 2026-06-22
VOZ9425 - 1 2026-06-08
VOZ931 - 1 2026-06-20
VOZ920 - 1 2026-06-19
VOZ916 Virgin Australia 1 2026-06-12
VOZ892 - 1 2026-06-17
VOZ886 - 1 2026-06-21
VOZ833 - 1 2026-06-14
VOZ824 Virgin Australia 1 2026-06-13
VOZ814 - 1 2026-06-23
VOZ738 - 1 2026-06-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-26 VOZ771 BNE → CNS Jun 26, 20:24 UTCJun 26, 21:59 UTC1h 35m
2026-06-26 VOZ471 PER → BNE Jun 26, 09:39 UTCJun 26, 13:30 UTC3h 50m
2026-06-26 VOZ466 - Jun 26, 07:35 UTCJun 26, 08:10 UTC35m
2026-06-26 VOZ466 - Jun 26, 03:10 UTCJun 26, 05:39 UTC2h 30m
2026-06-25 VOZ771 BNE → CNS Jun 25, 20:49 UTCJun 26, 01:54 UTC5h 5m
2026-06-25 VOZ471 PER → BNE Jun 25, 09:29 UTCJun 25, 13:20 UTC3h 50m
2026-06-25 VOZ466 BNE → PER Jun 25, 03:04 UTCJun 25, 08:14 UTC5h 10m
2026-06-24 VOZ771 BNE → CNS Jun 24, 20:40 UTCJun 25, 01:40 UTC5h 0m
2026-06-24 VOZ347 MEL → BNE Jun 24, 09:00 UTCJun 24, 10:49 UTC1h 50m
2026-06-24 VOZ738 - Jun 24, 03:40 UTCJun 24, 05:40 UTC2h 0m
2026-06-24 VOZ735 - Jun 24, 00:44 UTCJun 24, 02:20 UTC1h 35m
2026-06-23 VOZ814 - Jun 23, 22:05 UTCJun 23, 23:19 UTC1h 15m
2026-06-23 VOZ443 - Jun 23, 10:39 UTCJun 23, 12:09 UTC1h 30m
2026-06-23 VOZ1398 BNE → ADL Jun 23, 05:59 UTCJun 23, 08:45 UTC2h 45m
2026-06-22 VOZ387 BNE → BNE Jun 22, 23:10 UTCJun 23, 03:25 UTC4h 15m
2026-06-22 VOZ397 BNE → BNE Jun 22, 09:49 UTCJun 22, 21:54 UTC12h 5m
2026-06-22 VOZ951 SYD → BNE Jun 22, 05:44 UTCJun 22, 07:00 UTC1h 15m
2026-06-22 VOZ845 - Jun 22, 03:40 UTCJun 22, 04:40 UTC1h 0m
2026-06-22 VOZ845 MEL → MEL Jun 22, 02:40 UTCJun 22, 03:10 UTC30m
2026-06-22 VOZ322 BNE → MEL Jun 22, 00:29 UTCJun 22, 02:34 UTC2h 5m
2026-06-21 VOZ309 MEL → BNE Jun 21, 21:34 UTCJun 21, 23:24 UTC1h 50m
2026-06-21 VOZ886 - Jun 21, 10:04 UTCJun 21, 11:10 UTC1h 5m
2026-06-21 VOZ970 - Jun 21, 07:45 UTCJun 21, 08:49 UTC1h 5m
2026-06-21 VOZ331 MEL → BNE Jun 21, 04:39 UTCJun 21, 06:40 UTC2h 0m
2026-06-21 VOZ324 BNE → MEL Jun 21, 01:10 UTCJun 21, 03:00 UTC1h 50m
2026-06-20 VOZ931 - Jun 20, 00:29 UTCJun 20, 01:50 UTC1h 20m
2026-06-19 VOZ920 BNE → SYD Jun 19, 21:49 UTCJun 19, 23:04 UTC1h 15m
2026-06-19 VOZ467 PER → BNE Jun 19, 03:05 UTCJun 19, 07:09 UTC4h 5m
2026-06-18 VOZ677 - Jun 18, 21:35 UTCJun 19, 01:34 UTC3h 59m
2026-06-18 VOZ677 MEL → MEL Jun 18, 20:45 UTCJun 18, 21:10 UTC25m
2026-06-18 VOZ358 BNE → MEL Jun 18, 11:55 UTCJun 18, 14:35 UTC2h 40m
2026-06-18 VOZ469 PER → BNE Jun 18, 05:55 UTCJun 18, 10:00 UTC4h 5m
2026-06-17 VOZ462 BNE → PER Jun 17, 23:20 UTCJun 18, 04:35 UTC5h 15m
2026-06-17 VOZ303 MEL → BNE Jun 17, 20:15 UTCJun 17, 22:15 UTC2h 0m
2026-06-17 VOZ892 SYD → MEL Jun 17, 10:40 UTCJun 17, 11:45 UTC1h 5m
2026-06-17 VOZ496 MCY → SYD Jun 17, 07:10 UTCJun 17, 08:35 UTC1h 25m
2026-06-17 VOZ495 SYD → MCY Jun 17, 05:00 UTCJun 17, 06:15 UTC1h 15m
2026-06-17 VOZ488 MCY → SYD Jun 17, 01:40 UTCJun 17, 03:00 UTC1h 20m
2026-06-16 VOZ487 - Jun 16, 23:30 UTCJun 17, 00:40 UTC1h 10m
2026-06-16 VOZ401 ADL → SYD Jun 16, 20:40 UTCJun 16, 22:10 UTC1h 30m
2026-06-16 VOZ237 MEL → ADL Jun 16, 07:30 UTCJun 16, 08:30 UTC1h 0m
2026-06-16 VOZ688 PER → MEL Jun 16, 02:34 UTCJun 16, 05:50 UTC3h 15m
2026-06-15 VOZ549 SYD → PER Jun 15, 20:34 UTCJun 16, 01:19 UTC4h 45m
2026-06-15 - SYD → SYD Jun 15, 15:19 UTCJun 15, 15:30 UTC10m
2026-06-15 - SYD → SYD Jun 15, 14:15 UTCJun 15, 14:20 UTC5m
2026-06-15 VOZ560 PER → SYD Jun 15, 05:35 UTCJun 15, 09:20 UTC3h 45m
2026-06-14 VOZ555 SYD → PER Jun 14, 23:29 UTCJun 15, 04:30 UTC5h 0m
2026-06-14 VOZ833 MEL → SYD Jun 14, 00:15 UTCJun 14, 01:15 UTC1h 0m
2026-06-13 VOZ224 ADL → MEL Jun 13, 05:10 UTCJun 13, 06:10 UTC1h 0m
2026-06-13 VOZ227 MEL → ADL Jun 13, 03:05 UTCJun 13, 04:15 UTC1h 9m

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.

Mode-S 7CAF17 frequently asked

What is Mode-S code 7CAF17?
7CAF17 is an ICAO 24-bit transponder address. Allocated to Australia.
Where is Mode-S 7CAF17 registered?
Mode-S code 7CAF17 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7CAF17 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 7CAF17, octal 37127427, decimal 8,171,287.
What flights does 7CAF17 operate?
Mode-S 7CAF17 has broadcast 20 distinct callsigns, including VOZ466, VOZ771, VOZ471, BOE027, VOZ9947.