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Multicom procedures a step closer
Date of publication:
1 December 2017
A major step has been taken by the Civil Aviation Safety Authority to introduce new procedures for radio use in low-level class G airspace.
CASA has issued a notice of proposed rule making setting out the procedures for using the MULTICOM frequency of 126.7 MHz.
This follows earlier consultation by CASA that found strong support for using the MULTICOM.
The MULTICOM would be the common low-altitude frequency in class G airspace where a discrete frequency such as common traffic advisory frequency or broadcast area does not exist.
It is proposed that aircraft operating to both the visual flight rules and instrument flight rules would monitor and broadcast on the MULTICOM frequency below 5000 feet.
Instrument flight rules aircraft would still be required to monitor and respond on the overlying area VHF frequency where able.
CASA is also proposing to increase the size of common traffic advisory frequency broadcast areas from 10 to 20 nautical miles laterally and up to 5000 feet vertically.
This will enhance the safety of instrument flight rules operations, particularly air transport.
CASA’s CEO and Director of Aviation Safety, Shane Carmody, said designating the MULTICOM for use at low levels in class G airspace was clearly supported by the aviation community.
“CASA has listened to the views of the aviation community, particularly general aviation, and developed a set of proposals that can see the MULTICOM used safely and effectively below 5000 feet in Class G,” Mr Carmody said.
“I am pleased that we have moved to settle this issue as it had generated some debate in a number of areas.
“CASA wants to work co-operatively with the aviation community to find solutions to issues in ways that maintain and enhance safety while offering operational benefits.
“I believe this is a win for aviators and a positive move for safety.”
Have your say on the low level frequency proposals by 12 January 2018.