EntityQ694765· pop 26· linked from 800 articlesS-55Sign in to save1949 utility helicopter family by SikorskyConnectionsUnited States Marine CorpsEntitySikorsky S-58EntitySikorsky S-51 DragonflyEntityUH-12EntitySteven F. Udvar-Hazy CenterEntityTPE331EntityIstanbulCityLisbonEntityBangkokCityMunichEntitySeattleEntityThaiEntityVietnam WarConceptInternational Standard Book NumberEntitySan DiegoEntityCalgaryEntityKorean WarEntityhelicopterEntityAlbuquerqueEntityTucsonEntityCategories1940s United States helicopters1940s United States military utility aircraftAircraft first flown in 1949Search and rescue helicoptersSikorsky aircraftSingle-engined piston helicoptersUnited States military helicopters