As per the latest ICAO guidelines the elevated approach lights and their
supporting structures/poles shall be frangible. The frangibility requirement is
applicable for new installations and for the existing installations the date of
applicability is January, 2005. After the extension of runway at Ahmedabad
airport CAT-1 approach lighting system was to be provided. Due to the presence
of road & water works in the area of approach lighting system the height of
the poles for installing approach lights varied from 0.235mt to 8.18mt.
The CAT-1 approach lighting system meeting the latest ICAO
recommendation has been installed and in operation at Ahmedabad airport from
27.7.2001. This is the first installation of its kind with frangible masts in
India.
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