An aircraft with rotating rotors capable of vertical takeoff and landing; often used for rescue, transport, or sightseeing.
山火事の現場へヘリコプターが水をまいた。
A helicopter dropped water on the mountain fire site.
病院へヘリコプターで患者を搬送した。
The patient was transported to the hospital by helicopter.
展望台からヘリコプターのツアーを申し込んだ。
I signed up for a helicopter tour from the observatory.