Developer's DescriptionBy AircraftDesign.euCalculate design airspeeds and flight envelope for light aircrafts.The Design Air Speeds & Flight Envelope Calculator is a compact engineering windows application for professional and fast evaluation of design air speeds & flight envelope for light airplanes for structural analysis and ground testing. It will help anyone who wants to estimate the V-n diagram for a given airplane configuration.Complying with the certificate standards and specification requirements in LTF-UL, ASTM F 2245 for LSA / CS-LSA and CS-VLA, this tool is prepared specially for type certification purposes of ultralight aircraft, light sport airplanes or very light aeroplanes.