Apparatus

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sensors Mode-S transponder

7C68CB

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-UZH · EMBRAER ERJ-190-100 · operated by ALLIANCE AIRLINES PTY LIMITED

Hex
7C68CB
Octal
37064313
Decimal
8,153,291
Country
AU
Tail
VH-UZH
Type
E190
No current signal · last broadcast 2h ago
Flights observed
273
Distinct callsigns
20
Country
AU
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S 7C68CB.

Country allocation

The ICAO 24-bit address 7C68CB 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
QLK360 - 14 2026-07-14
QLK359 - 14 2026-07-14
QLK353 - 13 2026-06-14
QLK357 - 12 2026-07-03
QLK354 - 9 2026-07-08
QLK1800 - 8 2026-07-13
QLK1920 - 7 2026-07-07
QLK1805 - 6 2026-05-27
QLK358 - 5 2026-07-12
QLK1992 - 5 2026-04-15
QLK1833 - 5 2026-06-25
QLK1809 - 5 2026-07-13
QLK1950 - 4 2026-07-13
QLK1949 - 4 2026-07-13
QLK1946 - 4 2026-07-12
QLK1945 - 4 2026-07-12
QLK1909 - 4 2026-07-09
QLK1872 - 4 2026-05-26
QLK1832 - 4 2026-06-25
QLK1821 - 4 2026-06-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 QLK360 - Jul 14, 08:05 UTCJul 14, 08:45 UTC40m
2026-07-14 QLK360 - Jul 14, 06:20 UTCJul 14, 06:30 UTC10m
2026-07-14 QLK359 - Jul 14, 03:25 UTCJul 14, 04:00 UTC35m
2026-07-13 QLK1800 ADL → BNE Jul 13, 21:15 UTCJul 13, 23:30 UTC2h 15m
2026-07-13 QLK1809 BNE → ADL Jul 13, 07:10 UTCJul 13, 09:40 UTC2h 30m
2026-07-13 QLK1950 - Jul 13, 04:25 UTCJul 13, 05:50 UTC1h 25m
2026-07-13 QLK1949 - Jul 13, 01:45 UTCJul 13, 03:15 UTC1h 30m
2026-07-12 QLK1946 - Jul 12, 23:05 UTCJul 13, 00:30 UTC1h 25m
2026-07-12 QLK1945 - Jul 12, 20:35 UTCJul 12, 22:05 UTC1h 30m
2026-07-12 QLK358 BNE → BNE Jul 12, 01:40 UTCJul 12, 08:35 UTC6h 55m
2026-07-11 QLK360 - Jul 11, 07:20 UTCJul 11, 08:10 UTC50m
2026-07-11 QLK359 - Jul 11, 02:45 UTCJul 11, 03:15 UTC30m
2026-07-10 QLK360 - Jul 10, 07:30 UTCJul 10, 08:15 UTC45m
2026-07-10 QLK360 - Jul 10, 05:55 UTCJul 10, 06:05 UTC10m
2026-07-10 QLK359 - Jul 10, 03:00 UTCJul 10, 03:35 UTC35m
2026-07-09 QLK1800 ADL → BNE Jul 9, 21:10 UTCJul 9, 23:20 UTC2h 10m
2026-07-09 QLK1857 ADL → ADL Jul 9, 04:45 UTCJul 9, 09:55 UTC5h 10m
2026-07-09 QLK1909 - Jul 9, 01:30 UTCJul 9, 03:40 UTC2h 10m
2026-07-08 QLK1997 - Jul 8, 23:10 UTCJul 9, 00:25 UTC1h 15m
2026-07-08 QLK1996 - Jul 8, 20:30 UTCJul 8, 22:00 UTC1h 30m
2026-07-08 QLK1987 - Jul 8, 09:35 UTCJul 8, 10:40 UTC1h 5m
2026-07-08 QLK354 BNE → BNE Jul 8, 01:25 UTCJul 8, 07:40 UTC6h 15m
2026-07-07 QLK1920 BNE → BNE Jul 7, 20:10 UTCJul 7, 22:50 UTC2h 40m
2026-07-07 QLK354 BNE → BNE Jul 7, 00:50 UTCJul 7, 07:15 UTC6h 25m
2026-07-06 QLK1848 BNE → BNE Jul 6, 07:20 UTCJul 6, 21:35 UTC14h 15m
2026-07-06 QLK1804 ADL → BNE Jul 6, 02:40 UTCJul 6, 04:50 UTC2h 10m
2026-07-05 QLK1795 - Jul 5, 23:25 UTCJul 6, 01:00 UTC1h 35m
2026-07-05 QLK1794 - Jul 5, 20:50 UTCJul 5, 22:20 UTC1h 30m
2026-07-05 QLK1811 BNE → ADL Jul 5, 09:05 UTCJul 5, 11:30 UTC2h 25m
2026-07-05 QLK1884 BNE → BNE Jul 5, 03:05 UTCJul 5, 08:00 UTC4h 55m
2026-07-04 QLK354 BNE → BNE Jul 4, 00:50 UTCJul 4, 07:30 UTC6h 40m
2026-07-03 QLK358 - Jul 3, 11:05 UTCJul 3, 11:20 UTC15m
2026-07-03 QLK357 BNE → BNE Jul 3, 02:20 UTCJul 3, 09:40 UTC7h 20m
2026-07-02 QLK354 BNE → BNE Jul 2, 00:45 UTCJul 2, 06:51 UTC6h 6m
2026-07-01 QLK358 BNE → BNE Jul 1, 02:00 UTCJul 1, 09:05 UTC7h 5m
2026-06-30 QLK1920 BNE → BNE Jun 30, 20:00 UTCJun 30, 21:45 UTC1h 45m
2026-06-30 QLK360 - Jun 30, 07:45 UTCJun 30, 08:30 UTC45m
2026-06-30 QLK359 - Jun 30, 03:05 UTCJun 30, 03:35 UTC30m
2026-06-29 QLK1800 ADL → BNE Jun 29, 21:14 UTCJun 29, 23:29 UTC2h 15m
2026-06-29 QLK1905 - Jun 29, 09:25 UTCJun 29, 10:00 UTC35m
2026-06-29 QLK1905 - Jun 29, 06:34 UTCJun 29, 06:44 UTC10m
2026-06-29 QLK1906 - Jun 29, 01:39 UTCJun 29, 02:14 UTC35m
2026-06-28 QLK1907 - Jun 28, 23:29 UTCJun 29, 00:05 UTC35m
2026-06-28 QLK1910 - Jun 28, 07:44 UTCJun 28, 08:19 UTC35m
2026-06-28 QLK1909 - Jun 28, 05:40 UTCJun 28, 06:10 UTC30m
2026-06-28 QLK1909 - Jun 28, 04:05 UTCJun 28, 04:50 UTC45m
2026-06-28 QLK1908 - Jun 28, 01:19 UTCJun 28, 03:00 UTC1h 40m
2026-06-27 QLK1809 BNE → ADL Jun 27, 07:24 UTCJun 27, 10:00 UTC2h 35m
2026-06-27 QLK1972 ABX → BNE Jun 27, 02:45 UTCJun 27, 04:19 UTC1h 35m
2026-06-27 QLK1971 BNE → ABX Jun 27, 00:10 UTCJun 27, 01:54 UTC1h 45m

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

Mode-S 7C68CB frequently asked

What is Mode-S code 7C68CB?
7C68CB is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-UZH.
Where is Mode-S 7C68CB registered?
Mode-S code 7C68CB is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C68CB broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C68CB, octal 37064313, decimal 8,153,291.
What flights does 7C68CB operate?
Mode-S 7C68CB has broadcast 20 distinct callsigns, including QLK360, QLK359, QLK353, QLK357, QLK354.