片かた肺はい飛ひ行こうかたはいひこうMeanings1nounflying on one engineAviation term for operating an aircraft with one engine inoperative or shut down.双そう発はつ機きは片かた肺はい飛ひ行こうでも安あん全ぜんに着ちゃく陸りくできるように