Apparatus

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sensors Mode-S transponder

7C0B8A

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-CKC · BELL 206 JetRanger · operated by EKINCI, Jay Reha

Hex
7C0B8A
Octal
37005612
Decimal
8,129,418
Country
AU
Tail
VH-CKC
Type
B06
No current signal · last broadcast 21d ago
Flights observed
45
Distinct callsigns
1
Country
AU
Last broadcast
21d ago

Last known position

Most recent position reported by Mode-S 7C0B8A.

Country allocation

The ICAO 24-bit address 7C0B8A 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
CKC - 45 2026-07-25

Recent flights last 45

DateFlightRouteTakeoffLandingDuration
2026-07-25 CKC - Jul 25, 04:15 UTCJul 25, 05:45 UTC1h 30m
2026-07-25 CKC - Jul 25, 02:10 UTCJul 25, 03:35 UTC1h 25m
2026-07-24 CKC - Jul 24, 03:30 UTCJul 24, 04:55 UTC1h 25m
2026-07-24 CKC - Jul 24, 00:50 UTCJul 24, 02:15 UTC1h 25m
2026-07-23 CKC - Jul 23, 22:20 UTCJul 23, 23:45 UTC1h 25m
2026-07-23 CKC - Jul 23, 02:25 UTCJul 23, 05:00 UTC2h 35m
2026-07-22 CKC - Jul 22, 03:45 UTCJul 22, 05:00 UTC1h 15m
2026-07-22 CKC - Jul 22, 01:55 UTCJul 22, 03:05 UTC1h 10m
2026-07-21 CKC - Jul 21, 22:45 UTCJul 21, 23:55 UTC1h 10m
2026-07-20 CKC - Jul 20, 23:00 UTCJul 21, 00:15 UTC1h 15m
2026-07-20 CKC - Jul 20, 03:50 UTCJul 20, 05:05 UTC1h 15m
2026-07-20 CKC - Jul 20, 01:05 UTCJul 20, 02:15 UTC1h 10m
2026-07-18 CKC - Jul 18, 04:05 UTCJul 18, 05:20 UTC1h 15m
2026-07-18 CKC - Jul 18, 02:00 UTCJul 18, 03:15 UTC1h 16m
2026-07-18 CKC - Jul 18, 00:00 UTCJul 18, 01:15 UTC1h 15m
2026-07-17 CKC - Jul 17, 22:05 UTCJul 17, 23:20 UTC1h 15m
2026-07-16 CKC - Jul 16, 23:44 UTCJul 17, 00:35 UTC50m
2026-07-16 CKC - Jul 16, 04:35 UTCJul 16, 05:55 UTC1h 20m
2026-07-16 CKC - Jul 16, 01:20 UTCJul 16, 02:45 UTC1h 25m
2026-07-15 CKC - Jul 15, 22:45 UTCJul 15, 23:40 UTC55m
2026-07-15 CKC - Jul 15, 00:50 UTCJul 15, 03:00 UTC2h 10m
2026-07-14 CKC - Jul 14, 21:50 UTCJul 15, 00:00 UTC2h 9m
2026-07-13 CKC - Jul 13, 23:55 UTCJul 14, 00:50 UTC55m
2026-07-13 CKC CDU → CDU Jul 13, 22:30 UTCJul 13, 22:40 UTC10m
2026-07-10 CKC CDU → CDU Jul 10, 06:40 UTCJul 10, 06:55 UTC15m
2026-07-08 CKC CDU → CDU Jul 8, 23:15 UTCJul 9, 00:05 UTC50m
2026-07-08 CKC - Jul 8, 06:05 UTCJul 8, 06:55 UTC50m
2026-07-07 CKC - Jul 7, 02:35 UTCJul 7, 03:25 UTC50m
2026-07-06 CKC - Jul 6, 23:55 UTCJul 7, 00:45 UTC50m
2026-07-06 CKC - Jul 6, 22:10 UTCJul 6, 22:55 UTC45m
2026-07-06 CKC CDU → CDU Jul 6, 06:30 UTCJul 6, 07:10 UTC40m
2026-07-04 CKC - Jul 4, 03:20 UTCJul 4, 05:00 UTC1h 40m
2026-07-04 CKC CDU → CDU Jul 4, 01:15 UTCJul 4, 02:00 UTC45m
2026-07-02 CKC CDU → CDU Jul 2, 23:20 UTCJul 3, 00:05 UTC45m
2026-07-02 CKC - Jul 2, 05:00 UTCJul 2, 05:50 UTC50m
2026-07-02 CKC CDU → CDU Jul 2, 00:50 UTCJul 2, 01:35 UTC45m
2026-07-01 CKC - Jul 1, 23:15 UTCJul 1, 23:55 UTC40m
2026-07-01 CKC - Jul 1, 06:15 UTCJul 1, 07:00 UTC45m
2026-07-01 CKC CDU → CDU Jul 1, 04:55 UTCJul 1, 05:40 UTC45m
2026-07-01 CKC - Jul 1, 03:10 UTCJul 1, 03:55 UTC45m
2026-07-01 CKC - Jul 1, 00:45 UTCJul 1, 01:35 UTC50m
2026-06-29 CKC - Jun 29, 05:09 UTCJun 29, 05:54 UTC45m
2026-06-29 CKC - Jun 29, 02:45 UTCJun 29, 03:34 UTC50m
2026-06-28 CKC - Jun 28, 23:54 UTCJun 29, 00:39 UTC45m
2026-05-05 CKC CDU → CDU May 5, 06:00 UTCMay 5, 06:10 UTC10m

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

Mode-S 7C0B8A frequently asked

What is Mode-S code 7C0B8A?
7C0B8A is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-CKC.
Where is Mode-S 7C0B8A registered?
Mode-S code 7C0B8A is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C0B8A broadcasting right now?
No active broadcast right now. Last signal was 21d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C0B8A, octal 37005612, decimal 8,129,418.
What flights does 7C0B8A operate?
Mode-S 7C0B8A has broadcast 1 distinct callsign, including CKC.