有ゆう視し界かい飛ひ行こうゆうしかいひこうMeanings1nounvisual flight; VFR flightaviation›Aviation term for flying by visual reference to the ground and horizon, as opposed to instrument flight (計器飛行). Often used in the context of VFR (Visual Flight Rules).See also: 計器飛行有ゆう視し