🌐EnglishEnglishBahasa IndonesiaEspañolРусскийالعربيةفارسی中文日本語EntityQ12061352· pop 8· linked from 243 articlesLockheed XH-51Also known as Lockheed 186, Model 186, XH51, Lockheed Model 1861962 experimental helicopter series by LockheedWikidata factsImageXH-51A-1.jpgSources (2)ru.wikipedia.orgru.wikipedia.orgvia Wikidata · CC0Available in 7 languagesEspañol中文РусскийالعربيةBahasa Indonesiaفارسیvia Wikidata sitelinks · CC0ConnectionsLockheed AH-56 CheyenneEntityhelicopterEntityCategories1960s United States helicoptersAircraft first flown in 1962Aircraft with auxiliary jet enginesAircraft with skid landing gearCompound helicoptersJet-propelled helicoptersLockheed aircraftRigid rotor helicoptersSingle-rotor helicoptersSingle-turbine helicoptersUnited States military helicopters