Aircraft Model Launch Failure, People at Aircraft Model Sports Competition Outdoors. Green Field in Konotop, Ukraine. Girl Launches the Airplane, Men Are Watching and Estimating, Model Falls Down. 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