🌐EnglishEnglishBahasa IndonesiaFrançaisItalianoРусский日本語EntityQ1997360· pop 7· linked from 9 articlesWilliams X-Jetsingle-person lightweight aircraftConnectionsInternational Standard Book NumberEntityhelicopterEntityCategories1970s United States experimental aircraftFlying platformsStanding pilot aircraftVTOL aircraftWilliams aircraft