Rubber Aircraft Model Launch Failure. Boy and His Instructor Are Launching the Model, Airplane Falls Down. People at Aircraft Model Sports Competition Outdoors. Landscape, Horizon, Green and Dry Grass. Gray Sky. Green Field in Konotop, Ukraine. Preparation For Launching the Airplane Models. Kids' Technical Art. Models Assembly Before the Start. Airplane Launching. Estimation of the Aircraft Flight. Jury is Estimating the Start and Flight of the Airplane Model. Scene in Cloudy Summer Day.