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Aerial surveys using helicopters is ideal for Rail, Road, Pipeline and Grid surveying. Companies such as The London Underground, the Environment agency, Traffic masters, Corporation of London and the National Grid find the efficiency and need for chartering helicopters for this purpose. LiDAR laser altimetry and Thermal imaging are two areas of growth in aerial surveying. Helicopters give the opportunity to fly at heights of 750ft over congested/built up areas at a speed to pick up the most detailed information.
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