🌐EnglishEnglishEspañolPortuguêsTiếng Việt中文EntityQ5289881· pop 6· linked from 103 articlesDoman LZ-5Also known as H-31, Doman YH-31, YH-31, Doman H-31, Doman VH-31, VH-311953 utility helicopter prototype model by Doman HelicoptersWikidata factsImageDoman YH-31.jpgvia Wikidata · CC0Available in 5 languagesEspañol中文TajikTiếng Việtvia Wikidata sitelinks · CC0ConnectionsSikorsky R-6EntityUnited StatesCountryCategories1950s United States civil utility aircraft1950s United States helicoptersAircraft first flown in 1953Aircraft specs templates using more performance parameterAircraft with fixed quad landing gearDoman aircraftSingle-engined piston helicoptersSingle-rotor helicopters