senseFly is a Parrot company. Copyright © senseFly 2015. All rights reserved. senseFly Ltd., 1033 Cheseaux-Lausanne, Switzerland. 1 The effectiveness of traditional surveying can sometimes be limited in areas of complex topography, making it difficult to access the locations required for effective data collection. By contrast, an eye-in-the-sky UAV approach can gather point clouds full of data, at roughly equivalent accuracy. This aerial advantage is one of the reasons why Hazen and Sawyer / Pi Épsilon – the main contractor for a government construction project outside Ecuador’s capital, Quito - outsourced its surveying work to AOC Ingeniería, an engineering services company with several projects’ worth of drone mapping experience. The job? To run a large topographical survey to

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