Apparatus

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sensors Mode-S transponder

7C4343

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-NKL · CESSNA 152 · operated by TRISTAR AVIATION COMPANY PTY. LTD.

Hex
7C4343
Octal
37041503
Decimal
8,143,683
Country
AU
Tail
VH-NKL
Type
C152
No current signal · last broadcast 18h ago
Flights observed
81
Distinct callsigns
1
Country
AU
Last broadcast
18h ago

Last known position

Most recent position reported by Mode-S 7C4343.

Country allocation

The ICAO 24-bit address 7C4343 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
NKL - 81 2026-06-01

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-01 NKL MBW → MBW Jun 1, 23:40 UTCJun 2, 00:15 UTC35m
2026-06-01 NKL - Jun 1, 01:05 UTCJun 1, 01:50 UTC45m
2026-05-30 NKL - May 30, 23:55 UTCMay 31, 00:35 UTC40m
2026-05-30 NKL MBW → MBW May 30, 05:30 UTCMay 30, 06:10 UTC40m
2026-05-30 NKL MBW → MBW May 30, 04:00 UTCMay 30, 04:40 UTC40m
2026-05-30 NKL MBW → MBW May 30, 01:50 UTCMay 30, 02:35 UTC45m
2026-05-29 NKL MBW → MBW May 29, 23:50 UTCMay 30, 00:45 UTC55m
2026-05-29 NKL MBW → MBW May 29, 02:50 UTCMay 29, 03:10 UTC20m
2026-05-29 NKL MBW → MBW May 29, 00:35 UTCMay 29, 02:10 UTC1h 35m
2026-05-28 NKL MBW → MBW May 28, 06:05 UTCMay 28, 06:55 UTC50m
2026-05-26 NKL MBW → MBW May 26, 05:10 UTCMay 26, 05:30 UTC20m
2026-05-26 NKL - May 26, 02:55 UTCMay 26, 04:00 UTC1h 5m
2026-05-25 NKL - May 25, 05:25 UTCMay 25, 05:45 UTC20m
2026-05-24 NKL MBW → MBW May 24, 06:05 UTCMay 24, 06:45 UTC40m
2026-05-24 NKL MBW → MBW May 24, 03:55 UTCMay 24, 04:35 UTC40m
2026-05-24 NKL MBW → MBW May 24, 02:10 UTCMay 24, 03:05 UTC55m
2026-05-24 NKL MBW → MBW May 24, 00:05 UTCMay 24, 00:45 UTC40m
2026-05-23 NKL MBW → MBW May 23, 05:15 UTCMay 23, 06:15 UTC1h 0m
2026-05-23 NKL - May 23, 01:55 UTCMay 23, 02:35 UTC39m
2026-05-23 NKL - May 23, 00:10 UTCMay 23, 00:50 UTC40m
2026-05-22 NKL - May 22, 04:10 UTCMay 22, 04:40 UTC30m
2026-05-21 NKL MBW → MBW May 21, 23:20 UTCMay 22, 00:10 UTC50m
2026-05-21 NKL MBW → MBW May 21, 05:50 UTCMay 21, 06:15 UTC25m
2026-05-21 NKL MBW → MBW May 21, 04:00 UTCMay 21, 04:25 UTC25m
2026-05-21 NKL MBW → MBW May 21, 02:15 UTCMay 21, 02:40 UTC25m
2026-05-21 NKL MBW → MBW May 21, 00:55 UTCMay 21, 01:20 UTC25m
2026-05-20 NKL MBW → MBW May 20, 23:35 UTCMay 21, 00:05 UTC30m
2026-05-20 NKL - May 20, 04:25 UTCMay 20, 05:10 UTC46m
2026-05-16 NKL MBW → MBW May 16, 06:10 UTCMay 16, 06:45 UTC35m
2026-05-15 NKL MBW → MBW May 15, 00:05 UTCMay 15, 02:10 UTC2h 5m
2026-05-14 NKL MBW → MBW May 14, 05:30 UTCMay 14, 06:05 UTC35m
2026-05-13 NKL MBW → MBW May 13, 01:00 UTCMay 13, 01:45 UTC45m
2026-05-11 NKL MBW → MBW May 11, 06:05 UTCMay 11, 06:55 UTC50m
2026-05-10 NKL - May 10, 04:50 UTCMay 10, 05:50 UTC1h 0m
2026-05-10 NKL - May 10, 02:10 UTCMay 10, 02:34 UTC25m
2026-05-10 NKL - May 10, 01:00 UTCMay 10, 01:24 UTC25m
2026-05-09 NKL - May 9, 23:20 UTCMay 9, 23:44 UTC25m
2026-05-09 NKL - May 9, 04:30 UTCMay 9, 04:50 UTC20m
2026-05-05 NKL MBW → MBW May 5, 23:30 UTCMay 5, 23:55 UTC25m
2026-05-04 NKL - May 4, 02:10 UTCMay 4, 03:09 UTC1h 0m
2026-05-02 NKL MBW → MBW May 2, 06:20 UTCMay 2, 06:55 UTC35m
2026-05-02 NKL MBW → MBW May 2, 04:00 UTCMay 2, 04:45 UTC45m
2026-05-02 NKL - May 2, 00:15 UTCMay 2, 01:10 UTC55m
2026-05-01 NKL MBW → MBW May 1, 05:25 UTCMay 1, 05:50 UTC25m
2026-05-01 NKL - May 1, 04:00 UTCMay 1, 04:20 UTC20m
2026-05-01 NKL - May 1, 02:40 UTCMay 1, 03:05 UTC25m
2026-05-01 NKL - May 1, 00:55 UTCMay 1, 01:15 UTC20m
2026-04-30 NKL - Apr 30, 05:55 UTCApr 30, 06:35 UTC40m
2026-04-30 NKL - Apr 30, 04:00 UTCApr 30, 04:25 UTC25m
2026-04-30 NKL - Apr 30, 01:20 UTCApr 30, 02:40 UTC1h 20m

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

Mode-S 7C4343 frequently asked

What is Mode-S code 7C4343?
7C4343 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-NKL.
Where is Mode-S 7C4343 registered?
Mode-S code 7C4343 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C4343 broadcasting right now?
No active broadcast right now. Last signal was 18h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C4343, octal 37041503, decimal 8,143,683.
What flights does 7C4343 operate?
Mode-S 7C4343 has broadcast 1 distinct callsign, including NKL.