Apparatus

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sensors Mode-S transponder

7C1ACF

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-FKX · BOEING 767-300 · operated by TASMAN CARGO AIRLINES PTY LTD

Hex
7C1ACF
Octal
37015317
Decimal
8,133,327
Country
AU
Tail
VH-FKX
Type
B763
No current signal · last broadcast 4h ago
Flights observed
217
Distinct callsigns
18
Country
AU
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S 7C1ACF.

Country allocation

The ICAO 24-bit address 7C1ACF 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 18 distinct

Callsign Airline Flights Last seen
TMN8 - 29 2026-07-09
TMN7 - 28 2026-07-10
TMN1 Tasman Cargo Airlines 26 2026-05-15
TMN2 Tasman Cargo Airlines 24 2026-05-14
TMN21 - 18 2026-07-02
TMN31 - 14 2026-07-10
TMN22 - 14 2026-07-13
TMN125 - 14 2026-07-11
TMN121 - 11 2026-07-12
TMN23 - 10 2026-07-04
TMN32 - 8 2026-07-05
TMN26 - 7 2026-07-11
TMN24 - 6 2026-07-11
TMN221 Tasman Cargo Airlines 3 2026-06-01
TMN220 Tasman Cargo Airlines 2 2026-05-31
TMN3 - 1 2026-05-09
TMN2D Tasman Cargo Airlines 1 2026-05-07
TMN1D Tasman Cargo Airlines 1 2026-05-06

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 TMN22 - Jul 13, 20:45 UTCJul 13, 22:25 UTC1h 40m
2026-07-12 TMN121 - Jul 12, 19:15 UTCJul 12, 19:40 UTC25m
2026-07-12 TMN121 - Jul 12, 10:35 UTCJul 12, 18:20 UTC7h 45m
2026-07-11 TMN24 HKG → SYD Jul 11, 23:40 UTCJul 12, 08:45 UTC9h 5m
2026-07-11 TMN125 SYD → HKG Jul 11, 11:25 UTCJul 11, 20:50 UTC9h 25m
2026-07-11 TMN26 HKG → SYD Jul 11, 00:10 UTCJul 11, 08:45 UTC8h 35m
2026-07-10 TMN31 - Jul 10, 21:40 UTCJul 10, 22:05 UTC25m
2026-07-10 TMN31 - Jul 10, 12:45 UTCJul 10, 20:50 UTC8h 5m
2026-07-10 TMN7 AKL → MEL Jul 10, 02:05 UTCJul 10, 05:35 UTC3h 30m
2026-07-09 TMN8 - Jul 9, 11:20 UTCJul 9, 14:25 UTC3h 5m
2026-07-09 TMN8 MEL → MEL Jul 9, 11:05 UTCJul 9, 11:10 UTC5m
2026-07-08 TMN7 - Jul 8, 15:15 UTCJul 8, 18:45 UTC3h 30m
2026-07-08 TMN8 MEL → AKL Jul 8, 10:50 UTCJul 8, 13:50 UTC3h 0m
2026-07-07 TMN7 - Jul 7, 15:10 UTCJul 7, 18:40 UTC3h 30m
2026-07-07 TMN8 MEL → AKL Jul 7, 10:45 UTCJul 7, 13:50 UTC3h 5m
2026-07-06 TMN7 - Jul 6, 15:30 UTCJul 6, 18:55 UTC3h 25m
2026-07-06 TMN8 MEL → AKL Jul 6, 10:50 UTCJul 6, 14:15 UTC3h 25m
2026-07-05 TMN32 HKG → MEL Jul 5, 02:35 UTCJul 5, 11:20 UTC8h 45m
2026-07-04 TMN23 - Jul 4, 13:00 UTCJul 4, 13:15 UTC15m
2026-07-04 TMN23 - Jul 4, 04:20 UTCJul 4, 12:05 UTC7h 45m
2026-07-03 TMN22 - Jul 3, 15:00 UTCJul 3, 23:40 UTC8h 40m
2026-07-02 TMN21 - Jul 2, 15:45 UTCJul 2, 16:10 UTC25m
2026-07-02 TMN21 - Jul 2, 07:10 UTCJul 2, 14:55 UTC7h 45m
2026-07-01 TMN22 HKG → SYD Jul 1, 20:35 UTCJul 2, 05:00 UTC8h 25m
2026-07-01 TMN21 - Jul 1, 16:05 UTCJul 1, 16:30 UTC25m
2026-07-01 TMN21 - Jul 1, 07:15 UTCJul 1, 15:15 UTC8h 0m
2026-06-30 TMN22 HKG → SYD Jun 30, 20:20 UTCJul 1, 04:50 UTC8h 30m
2026-06-30 TMN21 - Jun 30, 16:15 UTCJun 30, 16:30 UTC15m
2026-06-30 TMN21 - Jun 30, 07:25 UTCJun 30, 15:10 UTC7h 45m
2026-06-29 TMN22 HKG → SYD Jun 29, 20:35 UTCJun 30, 05:10 UTC8h 35m
2026-06-28 TMN121 - Jun 28, 20:04 UTCJun 28, 20:25 UTC20m
2026-06-28 TMN121 - Jun 28, 11:04 UTCJun 28, 19:09 UTC8h 5m
2026-06-28 TMN24 HKG → SYD Jun 28, 00:25 UTCJun 28, 09:05 UTC8h 40m
2026-06-27 TMN125 - Jun 27, 20:09 UTCJun 27, 20:34 UTC25m
2026-06-27 TMN125 - Jun 27, 11:20 UTCJun 27, 19:05 UTC7h 45m
2026-06-27 TMN26 HKG → SYD Jun 27, 00:10 UTCJun 27, 08:35 UTC8h 25m
2026-06-26 TMN31 MEL → HKG Jun 26, 21:30 UTCJun 26, 21:50 UTC20m
2026-06-26 TMN31 MEL → HKG Jun 26, 12:44 UTCJun 26, 20:40 UTC7h 55m
2026-06-26 TMN31 MEL → HKG Jun 26, 12:29 UTCJun 26, 12:34 UTC5m
2026-06-25 TMN7 - Jun 25, 15:29 UTCJun 25, 18:55 UTC3h 25m
2026-06-25 TMN8 MEL → AKL Jun 25, 10:45 UTCJun 25, 13:59 UTC3h 15m
2026-06-24 TMN7 AKL → MEL Jun 24, 16:09 UTCJun 24, 19:49 UTC3h 40m
2026-06-24 TMN8 MEL → AKL Jun 24, 11:50 UTCJun 24, 14:55 UTC3h 5m
2026-06-23 TMN7 - Jun 23, 18:20 UTCJun 23, 18:55 UTC35m
2026-06-23 TMN7 - Jun 23, 15:19 UTCJun 23, 15:44 UTC25m
2026-06-23 TMN8 MEL → AKL Jun 23, 10:49 UTCJun 23, 13:55 UTC3h 5m
2026-06-22 TMN7 - Jun 22, 15:14 UTCJun 22, 18:54 UTC3h 40m
2026-06-22 TMN8 MEL → AKL Jun 22, 10:49 UTCJun 22, 13:54 UTC3h 5m
2026-06-21 TMN32 HKG → MEL Jun 21, 02:24 UTCJun 21, 11:00 UTC8h 35m
2026-06-20 TMN125 SYD → HKG Jun 20, 20:29 UTCJun 20, 20:55 UTC25m

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

Mode-S 7C1ACF frequently asked

What is Mode-S code 7C1ACF?
7C1ACF is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-FKX.
Where is Mode-S 7C1ACF registered?
Mode-S code 7C1ACF is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C1ACF broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C1ACF, octal 37015317, decimal 8,133,327.
What flights does 7C1ACF operate?
Mode-S 7C1ACF has broadcast 18 distinct callsigns, including TMN8, TMN7, TMN1, TMN2, TMN21.