Apparatus

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sensors Mode-S transponder

7C431C

ICAO 24-bit transponder address · allocated to Australia

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

Hex
7C431C
Octal
37041434
Decimal
8,143,644
Country
AU
Tail
VH-NJI
Type
B463
No current signal · last broadcast 11h ago
Flights observed
197
Distinct callsigns
17
Country
AU
Last broadcast
11h ago

Last known position

Most recent position reported by Mode-S 7C431C.

Country allocation

The ICAO 24-bit address 7C431C 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 17 distinct

Callsign Airline Flights Last seen
JTE7484 - 31 2026-07-13
JTE7448 - 30 2026-07-13
JTE7404 - 24 2026-07-13
JTE7440 National Jet Express 23 2026-07-13
JTE7487 National Jet Express 14 2026-06-08
JTE7488 - 13 2026-06-04
JTE7486 National Jet Express 13 2026-06-04
JTE7489 National Jet Express 12 2026-06-04
JTE7445 National Jet Express 8 2026-07-02
JTE7443 - 8 2026-07-02
JTE7434 National Jet Express 8 2026-07-02
JTE7454 National Jet Express 7 2026-07-02
JTE501 - 2 2026-07-03
JTE7444 National Jet Express 1 2026-07-01
JTE7442 National Jet Express 1 2026-05-27
JTE7441 National Jet Express 1 2026-05-27
JTE7408 National Jet Express 1 2026-05-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 JTE7448 - Jul 13, 19:00 UTCJul 13, 21:05 UTC2h 5m
2026-07-13 JTE7404 BNE → SYD Jul 13, 16:55 UTCJul 13, 18:15 UTC1h 20m
2026-07-13 JTE7440 SYD → BNE Jul 13, 14:40 UTCJul 13, 16:00 UTC1h 20m
2026-07-13 JTE7484 ADL → SYD Jul 13, 11:55 UTCJul 13, 13:40 UTC1h 45m
2026-07-03 JTE501 - Jul 3, 10:25 UTCJul 3, 10:55 UTC30m
2026-07-03 JTE501 - Jul 3, 08:10 UTCJul 3, 09:15 UTC1h 5m
2026-07-02 JTE7443 - Jul 2, 18:50 UTCJul 2, 20:00 UTC1h 10m
2026-07-02 JTE7454 MEL → SYD Jul 2, 16:10 UTCJul 2, 17:15 UTC1h 5m
2026-07-02 JTE7445 SYD → MEL Jul 2, 13:45 UTCJul 2, 15:10 UTC1h 25m
2026-07-02 JTE7434 OOL → SYD Jul 2, 11:45 UTCJul 2, 13:05 UTC1h 20m
2026-07-01 JTE7444 BNE → ADL Jul 1, 18:05 UTCJul 1, 20:00 UTC1h 55m
2026-07-01 JTE7445 SYD → MEL Jul 1, 13:35 UTCJul 1, 14:50 UTC1h 15m
2026-07-01 JTE7434 OOL → SYD Jul 1, 11:15 UTCJul 1, 12:35 UTC1h 20m
2026-06-23 JTE7443 - Jun 23, 18:50 UTCJun 23, 19:59 UTC1h 10m
2026-06-23 JTE7454 MEL → SYD Jun 23, 16:35 UTCJun 23, 17:39 UTC1h 5m
2026-06-23 JTE7445 SYD → MEL Jun 23, 14:04 UTCJun 23, 15:19 UTC1h 15m
2026-06-23 JTE7434 OOL → SYD Jun 23, 11:49 UTCJun 23, 13:15 UTC1h 25m
2026-06-22 JTE7443 - Jun 22, 18:49 UTCJun 22, 20:00 UTC1h 10m
2026-06-22 JTE7454 MEL → SYD Jun 22, 16:05 UTCJun 22, 17:04 UTC1h 0m
2026-06-22 JTE7445 SYD → MEL Jun 22, 13:49 UTCJun 22, 15:10 UTC1h 20m
2026-06-22 JTE7434 OOL → SYD Jun 22, 11:44 UTCJun 22, 12:59 UTC1h 15m
2026-06-18 JTE7443 - Jun 18, 18:45 UTCJun 18, 20:00 UTC1h 15m
2026-06-18 JTE7454 MEL → SYD Jun 18, 15:55 UTCJun 18, 17:05 UTC1h 10m
2026-06-18 JTE7445 SYD → MEL Jun 18, 13:30 UTCJun 18, 14:45 UTC1h 15m
2026-06-18 JTE7434 OOL → SYD Jun 18, 11:35 UTCJun 18, 12:50 UTC1h 15m
2026-06-17 JTE7443 - Jun 17, 18:50 UTCJun 17, 20:00 UTC1h 10m
2026-06-17 JTE7454 MEL → SYD Jun 17, 16:25 UTCJun 17, 17:35 UTC1h 10m
2026-06-17 JTE7445 SYD → MEL Jun 17, 13:40 UTCJun 17, 14:50 UTC1h 10m
2026-06-17 JTE7434 OOL → SYD Jun 17, 11:45 UTCJun 17, 13:05 UTC1h 20m
2026-06-16 JTE7443 - Jun 16, 18:39 UTCJun 16, 20:00 UTC1h 21m
2026-06-16 JTE7454 MEL → SYD Jun 16, 15:40 UTCJun 16, 16:50 UTC1h 10m
2026-06-16 JTE7445 SYD → MEL Jun 16, 13:40 UTCJun 16, 14:55 UTC1h 15m
2026-06-16 JTE7434 OOL → SYD Jun 16, 11:40 UTCJun 16, 12:50 UTC1h 10m
2026-06-15 JTE7443 - Jun 15, 18:50 UTCJun 15, 20:04 UTC1h 15m
2026-06-15 JTE7454 MEL → SYD Jun 15, 16:09 UTCJun 15, 17:15 UTC1h 5m
2026-06-15 JTE7445 SYD → MEL Jun 15, 13:50 UTCJun 15, 15:04 UTC1h 15m
2026-06-15 JTE7434 OOL → SYD Jun 15, 11:49 UTCJun 15, 13:05 UTC1h 15m
2026-06-11 JTE7443 SYD → OOL Jun 11, 18:45 UTCJun 11, 20:05 UTC1h 20m
2026-06-11 JTE7404 BNE → SYD Jun 11, 16:15 UTCJun 11, 17:30 UTC1h 15m
2026-06-11 JTE7440 SYD → BNE Jun 11, 13:55 UTCJun 11, 15:10 UTC1h 15m
2026-06-11 JTE7484 ADL → SYD Jun 11, 11:20 UTCJun 11, 13:05 UTC1h 45m
2026-06-08 JTE7448 SYD → ADL Jun 8, 20:10 UTCJun 8, 20:35 UTC25m
2026-06-08 JTE7448 SYD → ADL Jun 8, 18:40 UTCJun 8, 19:15 UTC35m
2026-06-08 JTE7404 BNE → SYD Jun 8, 15:40 UTCJun 8, 17:00 UTC1h 20m
2026-06-08 JTE7487 MEL → SYD Jun 8, 12:15 UTCJun 8, 14:35 UTC2h 20m
2026-06-04 JTE7489 MEL → ADL Jun 4, 17:05 UTCJun 4, 18:10 UTC1h 5m
2026-06-04 JTE7488 SYD → MEL Jun 4, 15:00 UTCJun 4, 16:15 UTC1h 15m
2026-06-04 JTE7487 MEL → SYD Jun 4, 13:05 UTCJun 4, 14:15 UTC1h 10m
2026-06-04 JTE7486 ADL → MEL Jun 4, 11:00 UTCJun 4, 12:10 UTC1h 10m
2026-06-03 JTE7448 SYD → ADL Jun 3, 19:50 UTCJun 3, 20:10 UTC20m

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

Mode-S 7C431C frequently asked

What is Mode-S code 7C431C?
7C431C is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-NJI.
Where is Mode-S 7C431C registered?
Mode-S code 7C431C is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C431C broadcasting right now?
No active broadcast right now. Last signal was 11h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C431C, octal 37041434, decimal 8,143,644.
What flights does 7C431C operate?
Mode-S 7C431C has broadcast 17 distinct callsigns, including JTE7484, JTE7448, JTE7404, JTE7440, JTE7487.