Apparatus

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sensors Mode-S transponder

7CB05C

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-84E · DE HAVILLAND DHC-8-400 Dash 8 · operated by QANTAS AIRWAYS LIMITED

Hex
7CB05C
Octal
37130134
Decimal
8,171,612
Country
AU
Tail
VH-84E
Type
DH8D
Transponder active on ground
Flights observed
9
Distinct callsigns
8
Country
AU
Last broadcast
18h ago

Last known position

Most recent position reported by Mode-S 7CB05C.

Country allocation

The ICAO 24-bit address 7CB05C 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 8 distinct

Callsign Airline Flights Last seen
QLK810D - 2 2026-04-14
QLK862D - 1 2026-04-13
QLK861D - 1 2026-04-13
QLK813D - 1 2026-04-14
QLK803D - 1 2026-04-13
QLK340D - 1 2026-04-13
QLK335D - 1 2026-04-14
QLK329D - 1 2026-04-13

Recent flights last 9

DateFlightRouteTakeoffLandingDuration
2026-04-14 QLK813D - Apr 14, 10:15 UTCApr 14, 10:55 UTC40m
2026-04-14 QLK810D - Apr 14, 07:10 UTCApr 14, 07:25 UTC15m
2026-04-14 QLK810D - Apr 14, 06:55 UTCApr 14, 07:10 UTC15m
2026-04-14 QLK335D - Apr 14, 05:30 UTCApr 14, 06:05 UTC35m
2026-04-13 QLK329D - Apr 13, 21:05 UTCApr 13, 21:40 UTC35m
2026-04-13 QLK340D - Apr 13, 09:00 UTCApr 13, 09:30 UTC30m
2026-04-13 QLK862D - Apr 13, 04:50 UTCApr 13, 06:30 UTC1h 40m
2026-04-13 QLK861D - Apr 13, 01:55 UTCApr 13, 03:50 UTC1h 55m
2026-04-13 QLK803D - Apr 13, 00:35 UTCApr 13, 01:10 UTC35m

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-84E page for operator, model, and routing details .

Mode-S 7CB05C frequently asked

What is Mode-S code 7CB05C?
7CB05C is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-84E.
Where is Mode-S 7CB05C registered?
Mode-S code 7CB05C is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7CB05C broadcasting right now?
Mode-S 7CB05C is currently broadcasting from the ground.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7CB05C, octal 37130134, decimal 8,171,612.
What flights does 7CB05C operate?
Mode-S 7CB05C has broadcast 8 distinct callsigns, including QLK810D, QLK862D, QLK861D, QLK813D, QLK803D.