Apparatus

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sensors Mode-S transponder

7CC5A1

ICAO 24-bit transponder address · allocated to Australia

Hex
7CC5A1
Octal
37142641
Decimal
8,177,057
Country
AU
No current signal · last broadcast 24d ago
Flights observed
40
Distinct callsigns
2
Country
AU
Last broadcast
24d ago

Last known position

Most recent position reported by Mode-S 7CC5A1.

Country allocation

The ICAO 24-bit address 7CC5A1 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 2 distinct

Callsign Airline Flights Last seen
5530 - 23 2026-07-26
8392 - 17 2026-07-25

Recent flights last 40

DateFlightRouteTakeoffLandingDuration
2026-07-26 5530 - Jul 26, 04:45 UTCJul 26, 05:45 UTC1h 0m
2026-07-26 5530 - Jul 26, 01:35 UTCJul 26, 03:10 UTC1h 35m
2026-07-25 5530 - Jul 25, 23:45 UTCJul 26, 00:45 UTC1h 0m
2026-07-25 8392 - Jul 25, 03:30 UTCJul 25, 05:30 UTC2h 0m
2026-07-24 8392 - Jul 24, 22:40 UTCJul 24, 23:00 UTC20m
2026-07-24 8392 - Jul 24, 01:40 UTCJul 24, 02:05 UTC25m
2026-07-22 8392 - Jul 22, 04:25 UTCJul 22, 04:55 UTC30m
2026-07-22 8392 - Jul 22, 01:45 UTCJul 22, 02:30 UTC45m
2026-07-21 8392 - Jul 21, 23:55 UTCJul 22, 00:40 UTC45m
2026-07-21 5530 - Jul 21, 04:10 UTCJul 21, 04:35 UTC25m
2026-07-20 5530 - Jul 20, 03:05 UTCJul 20, 04:20 UTC1h 15m
2026-07-20 5530 - Jul 20, 01:40 UTCJul 20, 02:15 UTC35m
2026-07-19 8392 - Jul 19, 23:50 UTCJul 20, 00:50 UTC1h 0m
2026-07-19 5530 - Jul 19, 04:50 UTCJul 19, 05:35 UTC45m
2026-07-19 8392 - Jul 19, 03:00 UTCJul 19, 04:00 UTC1h 0m
2026-07-19 5530 - Jul 19, 01:20 UTCJul 19, 02:20 UTC1h 0m
2026-07-18 5530 - Jul 18, 23:45 UTCJul 19, 00:45 UTC1h 0m
2026-07-18 8392 - Jul 18, 05:10 UTCJul 18, 05:40 UTC30m
2026-07-18 5530 - Jul 18, 03:10 UTCJul 18, 03:50 UTC40m
2026-07-18 5530 - Jul 18, 01:10 UTCJul 18, 02:19 UTC1h 10m
2026-07-17 8392 - Jul 17, 22:49 UTCJul 18, 00:15 UTC1h 25m
2026-07-17 8392 - Jul 17, 03:10 UTCJul 17, 05:30 UTC2h 20m
2026-07-17 8392 - Jul 17, 01:25 UTCJul 17, 02:20 UTC55m
2026-07-16 5530 - Jul 16, 03:40 UTCJul 16, 05:30 UTC1h 50m
2026-07-16 5530 - Jul 16, 02:55 UTCJul 16, 03:10 UTC15m
2026-07-15 8392 - Jul 15, 04:20 UTCJul 15, 04:35 UTC15m
2026-07-15 8392 - Jul 15, 01:35 UTCJul 15, 03:00 UTC1h 25m
2026-07-14 8392 - Jul 14, 23:50 UTCJul 15, 00:25 UTC35m
2026-07-10 5530 - Jul 10, 23:00 UTCJul 10, 23:55 UTC55m
2026-07-10 5530 - Jul 10, 02:35 UTCJul 10, 04:45 UTC2h 10m
2026-07-10 5530 - Jul 10, 01:40 UTCJul 10, 02:00 UTC20m
2026-07-09 8392 - Jul 9, 06:20 UTCJul 9, 07:10 UTC50m
2026-07-09 5530 - Jul 9, 02:35 UTCJul 9, 05:05 UTC2h 30m
2026-07-06 5530 - Jul 6, 03:35 UTCJul 6, 04:30 UTC55m
2026-07-06 8392 - Jul 6, 00:40 UTCJul 6, 00:50 UTC10m
2026-07-05 5530 - Jul 5, 04:55 UTCJul 5, 05:40 UTC45m
2026-07-05 5530 - Jul 5, 01:45 UTCJul 5, 03:40 UTC1h 55m
2026-07-04 5530 - Jul 4, 23:10 UTCJul 5, 00:50 UTC1h 40m
2026-07-04 5530 - Jul 4, 01:05 UTCJul 4, 02:00 UTC55m
2026-07-03 5530 - Jul 3, 22:55 UTCJul 3, 23:50 UTC55m

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 7CC5A1 frequently asked

What is Mode-S code 7CC5A1?
7CC5A1 is an ICAO 24-bit transponder address. Allocated to Australia.
Where is Mode-S 7CC5A1 registered?
Mode-S code 7CC5A1 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7CC5A1 broadcasting right now?
No active broadcast right now. Last signal was 24d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7CC5A1, octal 37142641, decimal 8,177,057.
What flights does 7CC5A1 operate?
Mode-S 7CC5A1 has broadcast 2 distinct callsigns, including 5530, 8392.