Apparatus

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sensors Mode-S transponder

7C4320

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-NJM · BRITISH AEROSPACE 146-300 · operated by NATIONAL JET EXPRESS PTY LTD

Hex
7C4320
Octal
37041440
Decimal
8,143,648
Country
AU
Tail
VH-NJM
Type
B463
No current signal · last broadcast 5d ago
Flights observed
197
Distinct callsigns
18
Country
AU
Last broadcast
5d ago

Last known position

Most recent position reported by Mode-S 7C4320.

Country allocation

The ICAO 24-bit address 7C4320 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
JTE7454 National Jet Express 26 2026-06-11
JTE7445 National Jet Express 25 2026-06-11
JTE7434 National Jet Express 25 2026-06-11
JTE7443 National Jet Express 24 2026-06-10
JTE7448 - 15 2026-07-07
JTE7488 National Jet Express 12 2026-07-09
JTE7484 - 12 2026-07-07
JTE7489 National Jet Express 11 2026-07-09
JTE7404 - 11 2026-07-07
JTE7486 National Jet Express 10 2026-07-09
JTE7487 National Jet Express 9 2026-07-09
JTE7440 National Jet Express 9 2026-07-07
JTE7441 National Jet Express 2 2026-06-17
JTE501 National Jet Express 2 2026-05-07
JTE7446 National Jet Express 1 2026-06-10
JTE7444 National Jet Express 1 2026-05-21
JTE7435 National Jet Express 1 2026-06-08
JTE502 National Jet Express 1 2026-05-10

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-09 JTE7489 MEL → ADL Jul 9, 16:35 UTCJul 9, 18:00 UTC1h 25m
2026-07-09 JTE7488 SYD → MEL Jul 9, 14:40 UTCJul 9, 16:05 UTC1h 25m
2026-07-09 JTE7487 MEL → SYD Jul 9, 12:45 UTCJul 9, 14:00 UTC1h 15m
2026-07-09 JTE7486 ADL → MEL Jul 9, 10:55 UTCJul 9, 12:35 UTC1h 40m
2026-07-08 JTE7489 MEL → ADL Jul 8, 16:45 UTCJul 8, 18:05 UTC1h 20m
2026-07-08 JTE7488 SYD → MEL Jul 8, 15:00 UTCJul 8, 16:40 UTC1h 40m
2026-07-08 JTE7487 MEL → SYD Jul 8, 12:45 UTCJul 8, 14:05 UTC1h 20m
2026-07-08 JTE7486 ADL → MEL Jul 8, 10:55 UTCJul 8, 12:30 UTC1h 35m
2026-07-07 JTE7448 - Jul 7, 19:20 UTCJul 7, 19:50 UTC30m
2026-07-07 JTE7448 - Jul 7, 17:55 UTCJul 7, 18:30 UTC35m
2026-07-07 JTE7404 - Jul 7, 15:55 UTCJul 7, 17:50 UTC1h 55m
2026-07-07 JTE7440 SYD → BNE Jul 7, 13:50 UTCJul 7, 15:15 UTC1h 25m
2026-07-07 JTE7484 ADL → SYD Jul 7, 11:30 UTCJul 7, 13:15 UTC1h 45m
2026-07-06 JTE7448 SYD → ADL Jul 6, 20:40 UTCJul 6, 22:40 UTC2h 0m
2026-07-06 JTE7404 BNE → SYD Jul 6, 18:25 UTCJul 6, 19:45 UTC1h 20m
2026-07-06 JTE7440 SYD → BNE Jul 6, 13:45 UTCJul 6, 15:25 UTC1h 40m
2026-07-06 JTE7484 ADL → SYD Jul 6, 10:55 UTCJul 6, 13:00 UTC2h 5m
2026-07-02 JTE7448 - Jul 2, 19:15 UTCJul 2, 20:45 UTC1h 30m
2026-07-02 JTE7448 - Jul 2, 18:25 UTCJul 2, 19:10 UTC45m
2026-07-02 JTE7404 - Jul 2, 16:20 UTCJul 2, 17:45 UTC1h 25m
2026-07-02 JTE7440 SYD → BNE Jul 2, 13:45 UTCJul 2, 15:20 UTC1h 35m
2026-07-02 JTE7484 ADL → SYD Jul 2, 11:25 UTCJul 2, 13:05 UTC1h 40m
2026-07-01 JTE7489 MEL → ADL Jul 1, 16:55 UTCJul 1, 18:15 UTC1h 20m
2026-07-01 JTE7486 ADL → MEL Jul 1, 11:10 UTCJul 1, 12:25 UTC1h 15m
2026-06-30 JTE7489 MEL → ADL Jun 30, 17:10 UTCJun 30, 18:30 UTC1h 20m
2026-06-30 JTE7488 SYD → MEL Jun 30, 14:55 UTCJun 30, 16:15 UTC1h 20m
2026-06-30 JTE7487 MEL → SYD Jun 30, 12:50 UTCJun 30, 14:00 UTC1h 10m
2026-06-30 JTE7486 ADL → MEL Jun 30, 10:50 UTCJun 30, 12:05 UTC1h 15m
2026-06-29 JTE7448 - Jun 29, 20:40 UTCJun 29, 21:14 UTC35m
2026-06-29 JTE7448 - Jun 29, 19:15 UTCJun 29, 19:54 UTC40m
2026-06-29 JTE7404 - Jun 29, 16:55 UTCJun 29, 18:19 UTC1h 25m
2026-06-29 JTE7440 SYD → BNE Jun 29, 14:44 UTCJun 29, 16:15 UTC1h 30m
2026-06-29 JTE7484 - Jun 29, 12:29 UTCJun 29, 13:14 UTC45m
2026-06-29 JTE7484 - Jun 29, 11:25 UTCJun 29, 11:50 UTC25m
2026-06-25 JTE7448 SYD → ADL Jun 25, 19:39 UTCJun 25, 21:44 UTC2h 5m
2026-06-25 JTE7404 BNE → SYD Jun 25, 17:20 UTCJun 25, 18:45 UTC1h 25m
2026-06-25 JTE7440 SYD → BNE Jun 25, 14:09 UTCJun 25, 15:34 UTC1h 25m
2026-06-25 JTE7484 ADL → SYD Jun 25, 11:19 UTCJun 25, 13:09 UTC1h 50m
2026-06-25 JTE7448 SYD → ADL Jun 25, 08:14 UTCJun 25, 10:30 UTC2h 15m
2026-06-25 JTE7404 BNE → SYD Jun 25, 05:39 UTCJun 25, 07:09 UTC1h 30m
2026-06-24 JTE7404 BNE → SYD Jun 24, 16:09 UTCJun 24, 18:55 UTC2h 45m
2026-06-24 JTE7440 SYD → BNE Jun 24, 13:50 UTCJun 24, 15:24 UTC1h 35m
2026-06-24 JTE7484 - Jun 24, 12:20 UTCJun 24, 13:00 UTC40m
2026-06-24 JTE7484 - Jun 24, 11:20 UTCJun 24, 12:09 UTC50m
2026-06-17 JTE7448 SYD → ADL Jun 17, 17:55 UTCJun 17, 20:00 UTC2h 5m
2026-06-17 JTE7404 BNE → SYD Jun 17, 16:00 UTCJun 17, 17:20 UTC1h 20m
2026-06-17 JTE7441 SYD → ADL Jun 17, 14:00 UTCJun 17, 15:50 UTC1h 50m
2026-06-17 JTE7484 ADL → SYD Jun 17, 11:25 UTCJun 17, 13:20 UTC1h 55m
2026-06-16 JTE7448 - Jun 16, 20:00 UTCJun 16, 20:30 UTC30m
2026-06-16 JTE7448 - Jun 16, 18:29 UTCJun 16, 19:10 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-NJM page for operator, model, and routing details .

Mode-S 7C4320 frequently asked

What is Mode-S code 7C4320?
7C4320 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-NJM.
Where is Mode-S 7C4320 registered?
Mode-S code 7C4320 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C4320 broadcasting right now?
No active broadcast right now. Last signal was 5d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C4320, octal 37041440, decimal 8,143,648.
What flights does 7C4320 operate?
Mode-S 7C4320 has broadcast 18 distinct callsigns, including JTE7454, JTE7445, JTE7434, JTE7443, JTE7448.