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Approach Lights
Approach Lights
An approach lighting system or ALS, is a lighting system installed on the approach end of an airport runway and consisting of a series of lightbars, strobe lights, or a combination of the two that extends outward from the runway end. ALS usually serves a runway that has an instrument approach procedure (IAP) associated with it and allows the pilot to visually identify the runway environment and align the aircraft with the runway upon arriving at a prescribed point on an approach.
Airport Perimeter Wall
Airport Perimeter Wall
To safeguard the airport from any kind of intrusion from areas outside its boundary competent authorities have defined the specifications of airport boundary wall that are to be maintained at every aerodrome.
The height of the wall should be not less than 8 feet with barbed wire fencing of not less than 1.5 feet, and it should run along the airport boundary as far as possible.
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