Apparatus

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sensors Mode-S transponder

7C80FF

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-ZRL · SAAB 340 · operated by REGIONAL EXPRESS PTY LTD

Hex
7C80FF
Octal
37100377
Decimal
8,159,487
Country
AU
Tail
VH-ZRL
Type
SF34
No current signal · last broadcast 8d ago
Flights observed
47
Distinct callsigns
19
Country
AU
Last broadcast
8d ago

Last known position

Most recent position reported by Mode-S 7C80FF.

Country allocation

The ICAO 24-bit address 7C80FF 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 19 distinct

Callsign Airline Flights Last seen
RXA5733 Regional Express 5 2026-05-19
RXA5745 Regional Express 4 2026-05-24
RXA5738 Regional Express 4 2026-05-24
RXA5732 Regional Express 4 2026-05-19
RXA5724 Regional Express 4 2026-05-24
RXA5722 Regional Express 4 2026-05-19
RXA5662 Regional Express 3 2026-05-24
RXA5742 Regional Express 2 2026-05-18
RXA5727 Regional Express 2 2026-05-22
RXA5726 Regional Express 2 2026-05-22
RXA5721 Regional Express 2 2026-05-06
RXA5720 Regional Express 2 2026-05-06
RXA5632 Regional Express 2 2026-05-20
RXA5631 Regional Express 2 2026-05-19
RXA5719 - 1 2026-04-13
RXA5717 Regional Express 1 2026-05-12
RXA5716 Regional Express 1 2026-05-12
RXA5667 - 1 2026-05-05
RXA5661 Regional Express 1 2026-05-12

Recent flights last 47

DateFlightRouteTakeoffLandingDuration
2026-05-24 RXA5662 BNE → WTB May 24, 23:00 UTCMay 24, 23:15 UTC15m
2026-05-24 RXA5745 RMA → BNE May 24, 08:55 UTCMay 24, 09:30 UTC35m
2026-05-24 RXA5738 BNE → RMA May 24, 06:35 UTCMay 24, 07:10 UTC35m
2026-05-24 RXA5724 RMA → BNE May 24, 04:35 UTCMay 24, 05:20 UTC45m
2026-05-24 RXA5724 RMA → BNE May 24, 00:40 UTCMay 24, 01:15 UTC35m
2026-05-22 RXA5745 RMA → BNE May 22, 08:55 UTCMay 22, 09:45 UTC50m
2026-05-22 RXA5738 BNE → RMA May 22, 06:40 UTCMay 22, 07:10 UTC30m
2026-05-22 RXA5727 RMA → BNE May 22, 05:00 UTCMay 22, 05:35 UTC35m
2026-05-22 RXA5726 BNE → RMA May 22, 02:45 UTCMay 22, 03:20 UTC35m
2026-05-20 RXA5632 WTB → BNE May 20, 05:40 UTCMay 20, 06:50 UTC1h 10m
2026-05-19 RXA5631 BNE → WTB May 19, 22:10 UTCMay 19, 23:15 UTC1h 5m
2026-05-19 RXA5733 RMA → BNE May 19, 09:15 UTCMay 19, 09:55 UTC40m
2026-05-19 RXA5732 BNE → RMA May 19, 06:55 UTCMay 19, 07:40 UTC45m
2026-05-19 RXA5722 CTL → BNE May 19, 05:25 UTCMay 19, 06:10 UTC45m
2026-05-19 RXA5722 CTL → BNE May 19, 01:25 UTCMay 19, 02:10 UTC45m
2026-05-18 RXA5742 RMA → BNE May 18, 09:00 UTCMay 18, 09:35 UTC35m
2026-05-18 RXA5742 RMA → BNE May 18, 04:40 UTCMay 18, 05:20 UTC40m
2026-05-17 RXA5632 WTB → BNE May 17, 06:20 UTCMay 17, 07:00 UTC40m
2026-05-16 RXA5631 BNE → WTB May 16, 22:25 UTCMay 16, 23:25 UTC1h 0m
2026-05-15 RXA5745 RMA → BNE May 15, 08:50 UTCMay 15, 09:40 UTC50m
2026-05-15 RXA5738 BNE → RMA May 15, 06:30 UTCMay 15, 07:05 UTC35m
2026-05-15 RXA5727 RMA → BNE May 15, 05:00 UTCMay 15, 05:35 UTC35m
2026-05-15 RXA5726 BNE → RMA May 15, 02:45 UTCMay 15, 03:20 UTC35m
2026-05-13 RXA5722 CTL → BNE May 13, 06:30 UTCMay 13, 07:20 UTC50m
2026-05-13 RXA5722 CTL → BNE May 13, 01:30 UTCMay 13, 02:05 UTC35m
2026-05-12 RXA5717 RMA → BNE May 12, 23:25 UTCMay 13, 00:10 UTC45m
2026-05-12 RXA5716 BNE → RMA May 12, 21:10 UTCMay 12, 21:45 UTC35m
2026-05-12 RXA5661 WTB → BNE May 12, 06:35 UTCMay 12, 07:10 UTC35m
2026-05-10 RXA5662 BNE → WTB May 10, 22:15 UTCMay 10, 23:15 UTC1h 0m
2026-05-10 RXA5745 RMA → BNE May 10, 08:40 UTCMay 10, 09:15 UTC35m
2026-05-10 RXA5738 BNE → RMA May 10, 06:30 UTCMay 10, 07:04 UTC35m
2026-05-10 RXA5724 RMA → BNE May 10, 04:29 UTCMay 10, 05:04 UTC35m
2026-05-10 RXA5724 RMA → BNE May 10, 00:34 UTCMay 10, 01:09 UTC35m
2026-05-08 RXA5733 RMA → BNE May 8, 06:14 UTCMay 8, 06:50 UTC35m
2026-05-08 RXA5732 BNE → RMA May 8, 04:04 UTCMay 8, 04:49 UTC45m
2026-05-06 RXA5721 RMA → BNE May 6, 04:20 UTCMay 6, 05:05 UTC45m
2026-05-06 RXA5720 BNE → RMA May 6, 01:45 UTCMay 6, 02:25 UTC40m
2026-05-05 RXA5667 - May 5, 10:25 UTCMay 5, 11:15 UTC50m
2026-04-15 RXA5662 BNE → WTB Apr 15, 23:55 UTCApr 16, 00:55 UTC1h 0m
2026-04-15 RXA5733 RMA → BNE Apr 15, 07:20 UTCApr 15, 08:01 UTC40m
2026-04-15 RXA5732 BNE → RMA Apr 15, 05:00 UTCApr 15, 05:40 UTC40m
2026-04-15 RXA5721 RMA → BNE Apr 15, 03:35 UTCApr 15, 04:05 UTC30m
2026-04-15 RXA5720 BNE → RMA Apr 15, 01:05 UTCApr 15, 01:45 UTC40m
2026-04-14 RXA5733 - Apr 14, 06:30 UTCApr 14, 07:10 UTC40m
2026-04-13 RXA5733 - Apr 13, 06:45 UTCApr 13, 07:25 UTC40m
2026-04-13 RXA5732 - Apr 13, 04:25 UTCApr 13, 05:05 UTC40m
2026-04-13 RXA5719 - Apr 13, 01:40 UTCApr 13, 02:20 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-ZRL page for operator, model, and routing details .

Mode-S 7C80FF frequently asked

What is Mode-S code 7C80FF?
7C80FF is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-ZRL.
Where is Mode-S 7C80FF registered?
Mode-S code 7C80FF is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C80FF broadcasting right now?
No active broadcast right now. Last signal was 8d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C80FF, octal 37100377, decimal 8,159,487.
What flights does 7C80FF operate?
Mode-S 7C80FF has broadcast 19 distinct callsigns, including RXA5733, RXA5745, RXA5738, RXA5732, RXA5724.