Apparatus

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sensors Mode-S transponder

7C168B

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-EQL · DIAMOND DA-40 Club Star · operated by FLIGHT TRAINING ADELAIDE PTY LTD

Hex
7C168B
Octal
37013213
Decimal
8,132,235
Country
AU
Tail
VH-EQL
Type
DA40
No current signal · last broadcast Apr 29, 05:20 UTC
Flights observed
38
Distinct callsigns
1
Country
AU
Last broadcast
Apr 29, 05:20 UTC

Last known position

Most recent position reported by Mode-S 7C168B.

Country allocation

The ICAO 24-bit address 7C168B 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
EQL - 38 2026-04-29

Recent flights last 38

DateFlightRouteTakeoffLandingDuration
2026-04-29 EQL - Apr 29, 04:15 UTCApr 29, 05:20 UTC1h 5m
2026-04-29 EQL - Apr 29, 02:05 UTCApr 29, 03:04 UTC1h 0m
2026-04-29 EQL - Apr 29, 00:30 UTCApr 29, 01:20 UTC50m
2026-04-28 EQL - Apr 28, 06:15 UTCApr 28, 06:35 UTC20m
2026-04-28 EQL - Apr 28, 03:45 UTCApr 28, 04:05 UTC20m
2026-04-28 EQL - Apr 28, 02:00 UTCApr 28, 02:55 UTC55m
2026-04-28 EQL - Apr 28, 00:15 UTCApr 28, 01:10 UTC55m
2026-04-27 EQL - Apr 27, 04:55 UTCApr 27, 06:25 UTC1h 30m
2026-04-27 EQL - Apr 27, 01:25 UTCApr 27, 03:35 UTC2h 10m
2026-04-24 EQL - Apr 24, 05:15 UTCApr 24, 07:25 UTC2h 10m
2026-04-24 EQL - Apr 24, 01:30 UTCApr 24, 03:35 UTC2h 5m
2026-04-23 EQL - Apr 23, 23:20 UTCApr 24, 00:20 UTC1h 0m
2026-04-21 EQL - Apr 21, 05:30 UTCApr 21, 06:25 UTC55m
2026-04-21 EQL - Apr 21, 03:20 UTCApr 21, 03:35 UTC15m
2026-04-21 EQL - Apr 21, 01:20 UTCApr 21, 02:20 UTC1h 0m
2026-04-20 EQL - Apr 20, 23:20 UTCApr 21, 00:30 UTC1h 10m
2026-04-20 EQL - Apr 20, 05:00 UTCApr 20, 06:50 UTC1h 50m
2026-04-19 EQL - Apr 19, 05:25 UTCApr 19, 07:50 UTC2h 25m
2026-04-19 EQL - Apr 19, 01:00 UTCApr 19, 02:05 UTC1h 5m
2026-04-18 EQL - Apr 18, 02:20 UTCApr 18, 03:20 UTC1h 0m
2026-04-18 EQL - Apr 18, 00:05 UTCApr 18, 01:00 UTC55m
2026-04-17 EQL - Apr 17, 02:10 UTCApr 17, 03:10 UTC1h 0m
2026-04-16 EQL - Apr 16, 23:55 UTCApr 17, 01:00 UTC1h 5m
2026-04-16 EQL - Apr 16, 09:59 UTCApr 16, 11:04 UTC1h 5m
2026-04-16 EQL - Apr 16, 02:34 UTCApr 16, 02:45 UTC10m
2026-04-16 EQL - Apr 16, 00:45 UTCApr 16, 01:00 UTC15m
2026-04-15 EQL - Apr 15, 23:35 UTCApr 15, 23:55 UTC20m
2026-04-15 EQL - Apr 15, 22:05 UTCApr 15, 22:25 UTC20m
2026-04-15 EQL - Apr 15, 07:15 UTCApr 15, 07:25 UTC10m
2026-04-15 EQL - Apr 15, 04:40 UTCApr 15, 04:50 UTC10m
2026-04-15 EQL - Apr 15, 03:20 UTCApr 15, 04:00 UTC40m
2026-04-15 EQL - Apr 15, 00:55 UTCApr 15, 01:10 UTC15m
2026-04-15 EQL - Apr 15, 00:40 UTCApr 15, 00:50 UTC10m
2026-04-14 EQL - Apr 14, 23:05 UTCApr 14, 23:45 UTC40m
2026-04-14 EQL - Apr 14, 21:55 UTCApr 14, 22:40 UTC45m
2026-04-14 EQL - Apr 14, 09:10 UTCApr 14, 09:50 UTC40m
2026-04-14 EQL - Apr 14, 05:50 UTCApr 14, 06:20 UTC30m
2026-04-13 EQL - Apr 13, 06:00 UTCApr 13, 07:00 UTC1h 0m

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

Mode-S 7C168B frequently asked

What is Mode-S code 7C168B?
7C168B is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-EQL.
Where is Mode-S 7C168B registered?
Mode-S code 7C168B is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C168B broadcasting right now?
No active broadcast right now. Last signal was Apr 29, 05:20 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C168B, octal 37013213, decimal 8,132,235.
What flights does 7C168B operate?
Mode-S 7C168B has broadcast 1 distinct callsign, including EQL.