Apparatus

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sensors Mode-S transponder

7C79B2

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-YBO · BELL 206 JetRanger · operated by MILLSTEED, Michael Thomas

Hex
7C79B2
Octal
37074662
Decimal
8,157,618
Country
AU
Tail
VH-YBO
Type
B06
No current signal · last broadcast Jul 26, 04:55 UTC
Flights observed
23
Distinct callsigns
1
Country
AU
Last broadcast
Jul 26, 04:55 UTC

Last known position

Most recent position reported by Mode-S 7C79B2.

Country allocation

The ICAO 24-bit address 7C79B2 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 1 distinct

Callsign Airline Flights Last seen
YBO - 23 2026-07-26

Recent flights last 23

DateFlightRouteTakeoffLandingDuration
2026-07-26 YBO - Jul 26, 03:30 UTCJul 26, 04:55 UTC1h 25m
2026-07-19 YBO - Jul 19, 06:30 UTCJul 19, 06:55 UTC25m
2026-07-19 YBO - Jul 19, 01:20 UTCJul 19, 01:45 UTC25m
2026-07-18 YBO - Jul 18, 04:45 UTCJul 18, 05:05 UTC20m
2026-07-18 YBO - Jul 18, 02:40 UTCJul 18, 04:10 UTC1h 31m
2026-07-17 YBO - Jul 17, 05:39 UTCJul 17, 06:45 UTC1h 5m
2026-07-10 YBO - Jul 10, 03:30 UTCJul 10, 04:25 UTC55m
2026-07-10 YBO - Jul 10, 02:30 UTCJul 10, 02:55 UTC25m
2026-06-29 YBO - Jun 29, 02:20 UTCJun 29, 02:35 UTC15m
2026-06-28 YBO - Jun 28, 05:55 UTCJun 28, 06:15 UTC20m
2026-06-28 YBO - Jun 28, 02:05 UTCJun 28, 02:34 UTC30m
2026-06-25 YBO - Jun 25, 03:44 UTCJun 25, 04:25 UTC40m
2026-06-21 YBO - Jun 21, 01:19 UTCJun 21, 02:45 UTC1h 25m
2026-06-12 YBO - Jun 12, 04:35 UTCJun 12, 06:35 UTC2h 0m
2026-06-12 YBO - Jun 12, 03:20 UTCJun 12, 03:40 UTC20m
2026-06-08 YBO - Jun 8, 05:30 UTCJun 8, 06:05 UTC35m
2026-06-08 YBO - Jun 8, 00:35 UTCJun 8, 02:45 UTC2h 10m
2026-06-07 YBO - Jun 7, 05:30 UTCJun 7, 05:55 UTC25m
2026-06-07 YBO - Jun 7, 04:20 UTCJun 7, 04:35 UTC15m
2026-06-07 YBO - Jun 7, 01:45 UTCJun 7, 02:19 UTC35m
2026-06-07 YBO - Jun 7, 00:19 UTCJun 7, 00:39 UTC20m
2026-06-06 YBO - Jun 6, 06:25 UTCJun 6, 06:40 UTC15m
2026-06-02 YBO - Jun 2, 05:25 UTCJun 2, 05:55 UTC30m

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

Mode-S 7C79B2 frequently asked

What is Mode-S code 7C79B2?
7C79B2 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-YBO.
Where is Mode-S 7C79B2 registered?
Mode-S code 7C79B2 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C79B2 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 04:55 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C79B2, octal 37074662, decimal 8,157,618.
What flights does 7C79B2 operate?
Mode-S 7C79B2 has broadcast 1 distinct callsign, including YBO.