Other lights near the bank of the Parvathy Puthanar will be installed on cantilever/GI truss. In the Barrette system, one pole will be at the beginning of the NS depot-Vallakadavu road near the Ponnara bridge and the other on Ponnara bridge approach road and the height clearance will be 5.5 m from the ground. The AAI says the light system with one cross bar will not affect the movement of road users through the bridge. The AAI has secured permission of the Public Works Department to mount the lights on the Ponnara bridge above the Parvathy Puthanar that runs close to the boundary wall. The remaining 360 m is outside the airport premises till Muttathara on the approach path to Runway 32 that is 3,396-m long. The installation of the high intensity, uni-directional barrette lights for all weather conditions has been completed in the first 540 m of the threshold of the runway on the Vallakadavu side. The Barrette light system, as specified by the Director General of Civil Aviation, is mandatory for the airport to get the aerodrome licence. Placed every 30 metres, they will ensure more visibility of the central line of the runway to the pilot about to land.
The Airports Authority of India (AAI) is gearing up to complete the conversion of the existing approach lighting system into Barrette Cat I approach lighting system at the beginning of Runway 32 of the Thiruvananthapuram international airport.Ī barrette is three or more ground aeronautical lights closely spaced together in a transverse line so as to appear as a bar of lights at least three metres in length from a distance.
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