LiAir 250 is flagship UAV LiDAR system designed to meet survey-grade project requirements. It is equipped with a highly precise navigation system, and can generate point cloud data with an absolute vertical accuracy of 3 cm. Together with its capability of a 250 m range measurement and recording up to 5 returns per pulse, LiAir 250 is an ideal choice for applications like mapping terrain features beneath the forest canopy, extracting forest structure parameters from individual tree level to forest stand level, inspecting power line corridor, managing and inspecting asset, and so on. Moreover, LiAIr 250 also provides an option to be equipped with a high-definition digital camera, which can be used to generate photogrammetry products as well as true color 3D point clouds