Fog-delay relief is in sight at Calcutta airport with the visibility requirement for landing and take off being lowered.
The earlier guideline for the Category (CAT) II Instrument Landing System, installed at the airport in 2007, prohibited flight operations if the runway visibility dropped below 350m.
But a recent circular from the Directorate General of Civil Aviation, based on a revised international flight protocol, fixed the take-off visibility requirement for a CAT II airport at 150, 175 and 200 metres for various categories of aircraft. The landing criterion has been fixed at 300m.
“The revised guideline was implemented recently following a nod from the airport meteorological department, which was asked to check whether the visibility requirement could be reduced to 150 metres with the existing equipment,” Malay Dutta, the joint general manager (standards and procedure) of the Airports Authority of India (AAI), said on Thursday.
12/02/10 Sanjay Mandal/The Telegraph
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