Apparatus

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sensors Mode-S transponder

7C801C

ICAO 24-bit transponder address · allocated to Australia

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

Hex
7C801C
Octal
37100034
Decimal
8,159,260
Country
AU
Tail
VH-ZLA
Type
SF34
No current signal · last broadcast 2h ago
Flights observed
304
Distinct callsigns
20
Country
AU
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S 7C801C.

Country allocation

The ICAO 24-bit address 7C801C 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
RXA5742 - 16 2026-06-16
RXA6133 - 14 2026-07-17
RXA6558 Regional Express 10 2026-05-07
RXA6117 - 10 2026-07-18
RXA6477 - 8 2026-07-16
RXA5722 Regional Express 8 2026-05-27
RXA5716 Regional Express 8 2026-05-26
RXA6454 - 7 2026-07-16
RXA6783 - 6 2026-06-19
RXA6463 - 6 2026-07-17
RXA5717 Regional Express 6 2026-05-25
RXA3915 Regional Express 6 2026-04-23
RXA6776 - 5 2026-06-19
RXA6762 - 5 2026-06-19
RXA6674 - 5 2026-07-20
RXA6363 Regional Express 5 2026-05-08
RXA6139 - 5 2026-07-17
RXA6114 - 5 2026-07-17
RXA6869 - 4 2026-07-10
RXA6866 - 4 2026-07-10

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-20 RXA6674 - Jul 20, 07:30 UTCJul 20, 08:15 UTC45m
2026-07-20 RXA6673 - Jul 20, 05:15 UTCJul 20, 06:00 UTC45m
2026-07-20 RXA6529 PKE → SYD Jul 20, 03:45 UTCJul 20, 04:30 UTC45m
2026-07-20 RXA6528 SYD → PKE Jul 20, 02:20 UTCJul 20, 02:55 UTC35m
2026-07-20 RXA6825 - Jul 20, 00:20 UTCJul 20, 01:00 UTC40m
2026-07-19 RXA6824 - Jul 19, 22:50 UTCJul 19, 23:30 UTC40m
2026-07-19 RXA6821 DBO → SYD Jul 19, 20:55 UTCJul 19, 21:40 UTC45m
2026-07-19 RXA6836 SYD → DBO Jul 19, 09:40 UTCJul 19, 10:15 UTC35m
2026-07-19 RXA6833 DBO → SYD Jul 19, 07:25 UTCJul 19, 08:15 UTC50m
2026-07-19 RXA6832 SYD → DBO Jul 19, 05:35 UTCJul 19, 06:10 UTC35m
2026-07-19 RXA6126 MIM → SYD Jul 19, 03:30 UTCJul 19, 04:35 UTC1h 5m
2026-07-19 RXA6123 SYD → MIM Jul 19, 01:45 UTCJul 19, 02:25 UTC40m
2026-07-18 RXA6117 - Jul 18, 00:55 UTCJul 18, 02:19 UTC1h 25m
2026-07-17 RXA6117 - Jul 17, 23:25 UTCJul 18, 00:04 UTC40m
2026-07-17 RXA6114 - Jul 17, 21:00 UTCJul 17, 22:29 UTC1h 30m
2026-07-17 RXA6139 - Jul 17, 09:10 UTCJul 17, 10:10 UTC1h 0m
2026-07-17 RXA6133 - Jul 17, 07:14 UTCJul 17, 08:59 UTC1h 45m
2026-07-17 RXA6133 - Jul 17, 04:44 UTCJul 17, 05:30 UTC45m
2026-07-17 RXA6463 - Jul 17, 01:39 UTCJul 17, 02:20 UTC40m
2026-07-16 RXA6463 - Jul 16, 22:45 UTCJul 16, 23:29 UTC45m
2026-07-16 RXA6454 - Jul 16, 21:15 UTCJul 16, 22:05 UTC50m
2026-07-16 RXA6477 - Jul 16, 09:25 UTCJul 16, 10:10 UTC45m
2026-07-16 RXA6469 - Jul 16, 07:40 UTCJul 16, 08:35 UTC55m
2026-07-16 RXA6469 - Jul 16, 04:10 UTCJul 16, 04:55 UTC45m
2026-07-16 RXA6117 - Jul 16, 01:40 UTCJul 16, 02:30 UTC50m
2026-07-15 RXA6117 - Jul 15, 23:25 UTCJul 16, 00:10 UTC45m
2026-07-15 RXA6114 MYA → SYD Jul 15, 20:55 UTCJul 15, 22:25 UTC1h 30m
2026-07-15 RXA6139 - Jul 15, 08:45 UTCJul 15, 09:55 UTC1h 10m
2026-07-15 RXA6133 - Jul 15, 06:25 UTCJul 15, 07:45 UTC1h 20m
2026-07-15 RXA6133 - Jul 15, 04:50 UTCJul 15, 05:35 UTC45m
2026-07-15 RXA6463 - Jul 15, 01:40 UTCJul 15, 02:20 UTC40m
2026-07-14 RXA6463 - Jul 14, 22:45 UTCJul 14, 23:30 UTC45m
2026-07-14 RXA6454 - Jul 14, 21:10 UTCJul 14, 21:50 UTC40m
2026-07-14 RXA6477 - Jul 14, 09:10 UTCJul 14, 10:00 UTC50m
2026-07-14 RXA6469 - Jul 14, 07:05 UTCJul 14, 07:55 UTC50m
2026-07-14 RXA6469 - Jul 14, 04:10 UTCJul 14, 05:05 UTC55m
2026-07-14 RXA6117 - Jul 14, 01:50 UTCJul 14, 02:35 UTC45m
2026-07-13 RXA6117 - Jul 13, 23:30 UTCJul 14, 00:15 UTC45m
2026-07-13 RXA6114 - Jul 13, 21:10 UTCJul 13, 22:40 UTC1h 30m
2026-07-13 RXA6139 - Jul 13, 09:20 UTCJul 13, 10:40 UTC1h 20m
2026-07-13 RXA6133 - Jul 13, 07:15 UTCJul 13, 08:15 UTC1h 0m
2026-07-13 RXA6133 - Jul 13, 05:01 UTCJul 13, 05:45 UTC45m
2026-07-13 RXA6825 - Jul 13, 00:20 UTCJul 13, 01:05 UTC45m
2026-07-12 RXA6824 - Jul 12, 22:40 UTCJul 12, 23:15 UTC35m
2026-07-12 RXA6821 - Jul 12, 21:00 UTCJul 12, 21:40 UTC40m
2026-07-12 RXA6836 - Jul 12, 09:30 UTCJul 12, 10:05 UTC35m
2026-07-12 RXA6833 - Jul 12, 07:25 UTCJul 12, 08:30 UTC1h 5m
2026-07-12 RXA6832 - Jul 12, 05:35 UTCJul 12, 06:10 UTC35m
2026-07-12 RXA6126 - Jul 12, 03:40 UTCJul 12, 04:30 UTC50m
2026-07-12 RXA6123 - Jul 12, 01:50 UTCJul 12, 02:35 UTC45m

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

Mode-S 7C801C frequently asked

What is Mode-S code 7C801C?
7C801C is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-ZLA.
Where is Mode-S 7C801C registered?
Mode-S code 7C801C is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C801C 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 7C801C, octal 37100034, decimal 8,159,260.
What flights does 7C801C operate?
Mode-S 7C801C has broadcast 20 distinct callsigns, including RXA5742, RXA6133, RXA6558, RXA6117, RXA6477.