noun, noun which may take the genitive case particle 'no'
single-seater; one-person (vehicle)
Used for vehicles or craft designed for one person, such as boats, aircraft, or small cars. Often appears as a noun or with の to modify another noun.
このボートは一人乗りです。
This boat is a single-seater.
一人乗りの飛行機を操縦する。
I pilot a single-seater airplane.