Tags: civil helicopters, Elicottero, hava aracı, Hélicoptère, Helicóptero, helikopter çeşitleri, helikopter silüetleri, helikopter tipleri, helikopter türleri, Hubschrauber, Light Piston-engined Types, Light turbine helicopters, military helicopters, Schattenriss, Silhuet, Silhueta, Silueta, Twin Engined Helicopters