Apparatus

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sensors Mode-S transponder

7C42D2

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-NHG · FOKKER 100 · operated by NETWORK AVIATION PTY LTD

Hex
7C42D2
Octal
37041322
Decimal
8,143,570
Country
AU
Tail
VH-NHG
Type
F100
No current signal · last broadcast Jul 26, 11:15 UTC
Flights observed
102
Distinct callsigns
20
Country
AU
Last broadcast
Jul 26, 11:15 UTC

Last known position

Most recent position reported by Mode-S 7C42D2.

Country allocation

The ICAO 24-bit address 7C42D2 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
NWK1615 - 7 2026-07-26
NWK1614 - 7 2026-07-26
NWK1712 - 6 2026-06-30
NWK1612 - 6 2026-07-13
NWK1613 - 5 2026-07-14
NWK1611 - 4 2026-07-23
NWK1610 - 4 2026-07-23
NWK2954 - 3 2026-05-18
NWK2909 - 3 2026-07-19
NWK1650 - 3 2026-07-19
NWK1636 - 3 2026-07-08
NWK1624 - 3 2026-05-25
NWK1618 - 3 2026-06-25
NWK2908 - 2 2026-07-20
NWK2773 - 2 2026-04-16
NWK2772 - 2 2026-04-16
NWK2771 - 2 2026-04-16
NWK2770 - 2 2026-04-15
NWK2748 - 2 2026-06-08
NWK1772 - 2 2026-05-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 NWK1615 - Jul 26, 10:35 UTCJul 26, 11:10 UTC35m
2026-07-26 NWK1614 - Jul 26, 08:35 UTCJul 26, 09:05 UTC30m
2026-07-23 NWK1611 KGI → PER Jul 23, 11:25 UTCJul 23, 12:35 UTC1h 10m
2026-07-23 NWK1610 PER → KGI Jul 23, 09:40 UTCJul 23, 10:35 UTC55m
2026-07-23 NWK1722 PER → PER Jul 23, 03:45 UTCJul 23, 08:40 UTC4h 55m
2026-07-22 NWK6500 PER → PER Jul 22, 00:50 UTCJul 22, 04:40 UTC3h 50m
2026-07-20 NWK2908 PER → PER Jul 20, 22:00 UTCJul 21, 03:00 UTC4h 59m
2026-07-20 NWK1611 KGI → PER Jul 20, 11:20 UTCJul 20, 12:15 UTC55m
2026-07-20 NWK1610 PER → KGI Jul 20, 09:30 UTCJul 20, 10:20 UTC50m
2026-07-19 NWK2909 PER → PER Jul 19, 23:45 UTCJul 20, 04:25 UTC4h 40m
2026-07-19 NWK1650 PER → PER Jul 19, 07:50 UTCJul 19, 12:35 UTC4h 45m
2026-07-17 NWK1602 PER → PER Jul 17, 03:05 UTCJul 17, 07:30 UTC4h 25m
2026-07-16 NWK2760 PER → PER Jul 16, 21:10 UTCJul 17, 01:35 UTC4h 25m
2026-07-16 NWK1611 KGI → PER Jul 16, 11:50 UTCJul 16, 13:05 UTC1h 15m
2026-07-16 NWK1610 PER → KGI Jul 16, 09:25 UTCJul 16, 10:10 UTC45m
2026-07-15 NWK2928 PER → PER Jul 15, 06:20 UTCJul 15, 10:40 UTC4h 20m
2026-07-14 NWK2909 PER → PER Jul 14, 23:05 UTCJul 15, 04:10 UTC5h 5m
2026-07-14 NWK1615 - Jul 14, 10:40 UTCJul 14, 11:25 UTC45m
2026-07-14 NWK1614 - Jul 14, 08:30 UTCJul 14, 08:55 UTC25m
2026-07-14 NWK1613 - Jul 14, 03:25 UTCJul 14, 04:10 UTC45m
2026-07-13 NWK1612 - Jul 13, 23:45 UTCJul 14, 00:15 UTC30m
2026-07-09 NWK6236 PER → PER Jul 9, 07:25 UTCJul 9, 11:35 UTC4h 10m
2026-07-08 NWK1636 PER → PER Jul 8, 01:50 UTCJul 8, 07:20 UTC5h 30m
2026-07-01 NWK2929 PER → PER Jul 1, 06:15 UTCJul 1, 10:50 UTC4h 35m
2026-06-30 NWK1712 PER → PER Jun 30, 08:35 UTCJun 30, 12:35 UTC4h 0m
2026-06-29 NWK1652 PER → PER Jun 29, 23:49 UTCJun 30, 06:15 UTC6h 26m
2026-06-29 NWK1625 PER → PER Jun 29, 07:44 UTCJun 29, 11:55 UTC4h 10m
2026-06-28 NWK1631 PER → PER Jun 28, 23:39 UTCJun 29, 04:09 UTC4h 30m
2026-06-25 NWK1618 PER → PER Jun 25, 22:59 UTCJun 26, 03:00 UTC4h 0m
2026-06-23 NWK2908 PER → PER Jun 23, 23:05 UTCJun 24, 03:55 UTC4h 50m
2026-06-23 NWK1712 PER → PER Jun 23, 08:45 UTCJun 23, 12:49 UTC4h 5m
2026-06-18 NWK1634 PER → PER Jun 18, 04:55 UTCJun 18, 08:40 UTC3h 45m
2026-06-16 NWK1713 PER → PER Jun 16, 08:44 UTCJun 16, 13:55 UTC5h 10m
2026-06-14 NWK1630 PER → PER Jun 14, 23:54 UTCJun 15, 03:55 UTC4h 0m
2026-06-13 NWK7840 PER → PER Jun 13, 02:45 UTCJun 13, 09:15 UTC6h 29m
2026-06-11 NWK1650 PER → PER Jun 11, 07:45 UTCJun 11, 13:15 UTC5h 30m
2026-06-11 NWK1600 PER → PER Jun 11, 00:10 UTCJun 11, 05:45 UTC5h 35m
2026-06-09 NWK1602 PER → PER Jun 9, 03:45 UTCJun 9, 08:10 UTC4h 25m
2026-06-08 NWK2748 PER → PER Jun 8, 09:10 UTCJun 9, 02:25 UTC17h 15m
2026-06-07 NWK2909 PER → PER Jun 7, 22:10 UTCJun 8, 02:45 UTC4h 35m
2026-06-04 NWK2777 KGI → PER Jun 4, 12:50 UTCJun 4, 13:55 UTC1h 5m
2026-06-04 NWK2776 PER → KGI Jun 4, 11:15 UTCJun 4, 12:05 UTC50m
2026-06-03 NWK6235 - Jun 3, 10:35 UTCJun 3, 11:10 UTC35m
2026-06-02 NWK1712 - Jun 2, 08:55 UTCJun 2, 09:25 UTC30m
2026-06-02 NWK1613 - Jun 2, 03:15 UTCJun 2, 03:55 UTC40m
2026-06-02 NWK1612 - Jun 2, 00:15 UTCJun 2, 00:45 UTC30m
2026-06-01 NWK1712 PER → PER Jun 1, 08:35 UTCJun 1, 12:25 UTC3h 50m
2026-05-27 NWK1636 PER → PER May 27, 00:14 UTCMay 27, 07:20 UTC7h 6m
2026-05-26 NWK1713 PER → PER May 26, 08:50 UTCMay 26, 12:45 UTC3h 55m
2026-05-25 NWK2911 PER → PER May 25, 22:19 UTCMay 26, 05:34 UTC7h 15m

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

Mode-S 7C42D2 frequently asked

What is Mode-S code 7C42D2?
7C42D2 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-NHG.
Where is Mode-S 7C42D2 registered?
Mode-S code 7C42D2 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C42D2 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 11:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C42D2, octal 37041322, decimal 8,143,570.
What flights does 7C42D2 operate?
Mode-S 7C42D2 has broadcast 20 distinct callsigns, including NWK1615, NWK1614, NWK1712, NWK1612, NWK1613.