Perth Airport is looking at installing an upgraded instrument landing system to minimise delays caused by fog.
Airport chief executive Brad Geatches said yesterday the airport had approached airlines about the installation of a Cat 111 Instruments Landing System which would allow for landing in almost zero visibility.
"The responses so far have been positive," Mr Geatches said.
The landing system would cost about $30 million and, if approved, be installed by next year.
This year, Perth Airport has been disrupted by five major fog events.
The airport is reviewing the timing of the construction of a parallel runway.
Mr Geatches said the business case for building the airport's third runway was being refined.
The planning and approvals process will take about four years, meaning the runway would be available in 2017.
The airport is working with consultants to increase the capacity of the main runway. Mr Geatches hoped for a 15 per cent increase.Perth Airport has two runways but they cross and can be used concurrently only in certain wind conditions.
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