Apparatus

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sensors Mode-S transponder

7C683E

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-UVK · AIRBUS A-320 · operated by NETWORK AVIATION PTY LTD

Hex
7C683E
Octal
37064076
Decimal
8,153,150
Country
AU
Tail
VH-UVK
Type
A320
No current signal · last broadcast 4h ago
Flights observed
147
Distinct callsigns
20
Country
AU
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S 7C683E.

Country allocation

The ICAO 24-bit address 7C683E 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 20 distinct

Callsign Airline Flights Last seen
NWK1741 - 5 2026-06-08
NWK1732 - 5 2026-06-03
NWK1730 - 5 2026-06-13
NWK1643 - 5 2026-07-08
NWK1740 - 4 2026-06-08
NWK1710 - 4 2026-07-09
NWK1702 - 4 2026-06-22
NWK1654 - 4 2026-07-10
NWK1652 - 4 2026-07-12
NWK1642 - 4 2026-06-04
NWK1736 - 3 2026-05-08
NWK1735 - 3 2026-07-07
NWK1733 - 3 2026-06-19
NWK1728 - 3 2026-07-05
NWK1727 - 3 2026-06-18
NWK1653 - 3 2026-05-13
NWK1646 - 3 2026-06-23
NWK2982 - 2 2026-05-19
NWK2962 - 2 2026-05-18
NWK2953 - 2 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 NWK2953 - Jul 14, 06:35 UTCJul 14, 11:55 UTC5h 20m
2026-07-13 NWK1703 PER → PER Jul 13, 22:35 UTCJul 14, 02:45 UTC4h 10m
2026-07-13 NWK1734 PER → PER Jul 13, 06:50 UTCJul 13, 11:05 UTC4h 15m
2026-07-12 NWK1652 PER → PER Jul 12, 23:45 UTCJul 13, 05:31 UTC5h 45m
2026-07-10 NWK1729 PER → PER Jul 10, 23:30 UTCJul 11, 04:01 UTC4h 30m
2026-07-10 NWK1654 PER → PER Jul 10, 03:20 UTCJul 10, 09:05 UTC5h 45m
2026-07-09 NWK1710 PER → PER Jul 9, 07:00 UTCJul 9, 10:40 UTC3h 40m
2026-07-08 NWK1643 PER → PER Jul 8, 23:00 UTCJul 9, 03:55 UTC4h 55m
2026-07-08 NWK1712 PER → PER Jul 8, 08:40 UTCJul 8, 12:20 UTC3h 40m
2026-07-08 NWK1715 PER → PER Jul 8, 01:40 UTCJul 8, 05:25 UTC3h 45m
2026-07-07 NWK1735 PER → PER Jul 7, 06:50 UTCJul 7, 11:10 UTC4h 20m
2026-07-06 NWK1705 PER → PER Jul 6, 23:10 UTCJul 7, 03:15 UTC4h 5m
2026-07-06 NWK1644 PER → PER Jul 6, 05:30 UTCJul 6, 10:15 UTC4h 45m
2026-07-05 NWK1728 PER → PER Jul 5, 23:30 UTCJul 6, 04:15 UTC4h 45m
2026-07-05 NWK1655 PER → PER Jul 5, 03:15 UTCJul 5, 08:45 UTC5h 30m
2026-07-03 NWK1728 PER → PER Jul 3, 23:25 UTCJul 4, 04:10 UTC4h 45m
2026-07-03 NWK6235 PER → PER Jul 3, 06:25 UTCJul 3, 07:20 UTC55m
2026-06-23 NWK1641 PER → PER Jun 23, 23:50 UTCJun 24, 04:59 UTC5h 10m
2026-06-23 NWK1646 PER → PER Jun 23, 06:15 UTCJun 23, 11:04 UTC4h 50m
2026-06-22 NWK1702 PER → PER Jun 22, 22:34 UTCJun 23, 02:40 UTC4h 5m
2026-06-22 NWK1646 PER → PER Jun 22, 06:29 UTCJun 22, 11:09 UTC4h 40m
2026-06-21 NWK1637 PER → PER Jun 21, 22:49 UTCJun 22, 03:45 UTC4h 55m
2026-06-21 NWK1654 PER → PER Jun 21, 03:44 UTCJun 21, 09:20 UTC5h 35m
2026-06-19 NWK1733 PER → PER Jun 19, 05:24 UTCJun 19, 10:09 UTC4h 45m
2026-06-18 NWK1727 PER → PER Jun 18, 22:35 UTCJun 19, 03:24 UTC4h 49m
2026-06-18 NWK1735 PER → PER Jun 18, 06:25 UTCJun 18, 11:20 UTC4h 55m
2026-06-16 NWK2752 PER → PER Jun 16, 22:55 UTCJun 17, 03:30 UTC4h 35m
2026-06-16 NWK1649 PER → PER Jun 16, 07:25 UTCJun 16, 12:14 UTC4h 50m
2026-06-16 NWK2964 PER → PER Jun 16, 02:04 UTCJun 16, 05:50 UTC3h 45m
2026-06-15 NWK2944 PER → PER Jun 15, 03:55 UTCJun 15, 08:10 UTC4h 15m
2026-06-15 NWK1613 - Jun 15, 02:20 UTCJun 15, 02:50 UTC30m
2026-06-14 NWK1612 PER → DOX Jun 14, 23:50 UTCJun 15, 00:20 UTC30m
2026-06-13 NWK1730 PER → PER Jun 13, 03:00 UTCJun 13, 07:45 UTC4h 44m
2026-06-12 NWK1734 PER → PER Jun 12, 08:50 UTCJun 12, 13:35 UTC4h 45m
2026-06-11 NWK1652 PER → PER Jun 11, 23:45 UTCJun 12, 05:25 UTC5h 41m
2026-06-11 NWK1615 - Jun 11, 11:45 UTCJun 11, 12:20 UTC35m
2026-06-11 NWK1614 - Jun 11, 08:45 UTCJun 11, 09:20 UTC35m
2026-06-09 NWK1644 PER → PER Jun 9, 05:30 UTCJun 9, 10:10 UTC4h 40m
2026-06-08 NWK1638 PER → PER Jun 8, 21:50 UTCJun 9, 02:35 UTC4h 45m
2026-06-08 NWK1741 - Jun 8, 10:55 UTCJun 8, 11:35 UTC40m
2026-06-08 NWK1740 - Jun 8, 03:00 UTCJun 8, 03:25 UTC25m
2026-06-08 NWK1607 KGI → PER Jun 8, 00:35 UTCJun 8, 01:35 UTC1h 0m
2026-06-07 NWK1606 PER → KGI Jun 7, 22:55 UTCJun 7, 23:45 UTC50m
2026-06-05 NWK1735 PER → PER Jun 5, 06:25 UTCJun 5, 10:45 UTC4h 20m
2026-06-04 NWK1642 PER → PER Jun 4, 23:05 UTCJun 5, 05:20 UTC6h 15m
2026-06-04 NWK1709 PER → PER Jun 4, 05:25 UTCJun 4, 10:00 UTC4h 35m
2026-06-03 NWK1729 PER → PER Jun 3, 23:30 UTCJun 4, 04:20 UTC4h 50m
2026-06-03 NWK1732 PER → PER Jun 3, 05:40 UTCJun 3, 10:20 UTC4h 40m
2026-06-02 NWK2753 PER → PER Jun 2, 23:05 UTCJun 3, 03:30 UTC4h 25m
2026-06-02 NWK2953 - Jun 2, 11:15 UTCJun 2, 11:55 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-UVK page for operator, model, and routing details .

Mode-S 7C683E frequently asked

What is Mode-S code 7C683E?
7C683E is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-UVK.
Where is Mode-S 7C683E registered?
Mode-S code 7C683E is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C683E 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 7C683E, octal 37064076, decimal 8,153,150.
What flights does 7C683E operate?
Mode-S 7C683E has broadcast 20 distinct callsigns, including NWK1741, NWK1732, NWK1730, NWK1643, NWK1740.