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sensors Mode-S transponder

7C2A57

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-IND · CESSNA 152 · operated by WARNERVALE AIR PTY LTD

Hex
7C2A57
Octal
37025127
Decimal
8,137,303
Country
AU
Tail
VH-IND
Type
C152
No current signal · last broadcast Jul 26, 05:40 UTC
Flights observed
159
Distinct callsigns
1
Country
AU
Last broadcast
Jul 26, 05:40 UTC

Last known position

Most recent position reported by Mode-S 7C2A57.

Country allocation

The ICAO 24-bit address 7C2A57 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 1 distinct

Callsign Airline Flights Last seen
IND - 159 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 IND - Jul 26, 03:30 UTCJul 26, 05:40 UTC2h 10m
2026-07-25 IND - Jul 25, 22:40 UTCJul 25, 23:15 UTC35m
2026-07-25 IND - Jul 25, 04:50 UTCJul 25, 05:35 UTC45m
2026-07-25 IND - Jul 25, 02:45 UTCJul 25, 03:40 UTC55m
2026-07-25 IND - Jul 25, 00:30 UTCJul 25, 01:15 UTC45m
2026-07-24 IND - Jul 24, 23:00 UTCJul 24, 23:25 UTC25m
2026-07-24 IND - Jul 24, 22:45 UTCJul 24, 22:55 UTC10m
2026-07-24 IND - Jul 24, 05:25 UTCJul 24, 06:05 UTC40m
2026-07-24 IND - Jul 24, 02:20 UTCJul 24, 03:30 UTC1h 10m
2026-07-24 IND - Jul 24, 00:30 UTCJul 24, 01:20 UTC50m
2026-07-22 IND - Jul 22, 05:05 UTCJul 22, 05:25 UTC20m
2026-07-22 IND - Jul 22, 02:45 UTCJul 22, 03:30 UTC45m
2026-07-21 IND - Jul 21, 22:35 UTCJul 21, 23:25 UTC50m
2026-07-21 IND - Jul 21, 04:55 UTCJul 21, 05:35 UTC40m
2026-07-20 IND - Jul 20, 02:35 UTCJul 20, 03:20 UTC45m
2026-07-20 IND - Jul 20, 00:00 UTCJul 20, 00:45 UTC45m
2026-07-19 IND - Jul 19, 22:05 UTCJul 19, 22:50 UTC45m
2026-07-19 IND - Jul 19, 04:15 UTCJul 19, 05:05 UTC50m
2026-07-19 IND - Jul 19, 02:45 UTCJul 19, 03:35 UTC50m
2026-07-19 IND - Jul 19, 00:05 UTCJul 19, 00:45 UTC40m
2026-07-18 IND - Jul 18, 22:25 UTCJul 18, 23:05 UTC40m
2026-07-18 IND - Jul 18, 04:30 UTCJul 18, 05:25 UTC55m
2026-07-18 IND - Jul 18, 01:25 UTCJul 18, 02:05 UTC40m
2026-07-17 IND - Jul 17, 22:45 UTCJul 17, 23:25 UTC40m
2026-07-17 IND - Jul 17, 02:20 UTCJul 17, 02:54 UTC35m
2026-07-17 IND - Jul 17, 00:20 UTCJul 17, 01:05 UTC45m
2026-07-16 IND - Jul 16, 23:05 UTCJul 16, 23:25 UTC20m
2026-07-14 IND - Jul 14, 22:20 UTCJul 14, 23:20 UTC59m
2026-07-14 IND - Jul 14, 01:25 UTCJul 14, 02:10 UTC45m
2026-06-28 IND - Jun 28, 22:39 UTCJun 28, 23:34 UTC55m
2026-06-28 IND - Jun 28, 03:59 UTCJun 28, 04:55 UTC55m
2026-06-28 IND - Jun 28, 00:09 UTCJun 28, 01:59 UTC1h 50m
2026-06-27 IND - Jun 27, 02:39 UTCJun 27, 03:09 UTC30m
2026-06-26 IND - Jun 26, 23:55 UTCJun 27, 00:29 UTC35m
2026-06-26 IND - Jun 26, 22:25 UTCJun 26, 23:19 UTC55m
2026-06-26 IND - Jun 26, 01:54 UTCJun 26, 02:40 UTC45m
2026-06-26 IND - Jun 26, 00:10 UTCJun 26, 00:50 UTC40m
2026-06-22 IND - Jun 22, 23:14 UTCJun 23, 00:09 UTC55m
2026-06-20 IND - Jun 20, 04:39 UTCJun 20, 05:49 UTC1h 10m
2026-06-19 IND - Jun 19, 22:14 UTCJun 19, 22:45 UTC30m
2026-06-16 IND - Jun 16, 23:55 UTCJun 17, 00:30 UTC35m
2026-06-16 IND - Jun 16, 04:00 UTCJun 16, 05:00 UTC1h 0m
2026-06-15 IND - Jun 15, 22:20 UTCJun 15, 23:04 UTC45m
2026-06-15 IND - Jun 15, 04:45 UTCJun 15, 05:25 UTC40m
2026-06-15 IND - Jun 15, 03:10 UTCJun 15, 04:00 UTC50m
2026-06-14 IND - Jun 14, 05:05 UTCJun 14, 05:35 UTC30m
2026-06-14 IND - Jun 14, 02:50 UTCJun 14, 03:30 UTC40m
2026-06-14 IND - Jun 14, 00:35 UTCJun 14, 01:10 UTC35m
2026-06-13 IND - Jun 13, 22:35 UTCJun 13, 23:20 UTC45m
2026-06-13 IND - Jun 13, 05:25 UTCJun 13, 06:05 UTC40m

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

Mode-S 7C2A57 frequently asked

What is Mode-S code 7C2A57?
7C2A57 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-IND.
Where is Mode-S 7C2A57 registered?
Mode-S code 7C2A57 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C2A57 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 05:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C2A57, octal 37025127, decimal 8,137,303.
What flights does 7C2A57 operate?
Mode-S 7C2A57 has broadcast 1 distinct callsign, including IND.