Which aircraft maker is based in Stans, Switzerland and manufactures the PC-6 Porter?
Pilatus PC-6 Porter The Pilatus PC-6 Porter is a single-engined STOL utility aircraft designed by Pilatus Aircraft of Switzerland. First flown in 1959, the PC-6 continues in production at Pilatus Flugzeugwerke in Stans, Switzerland. It has been built in both piston engine- and turboprop-powered versions and was produced under licence for a time by Fairchild Hiller in the United States.
Häfeli DH-5 The Häfeli DH-5 was a 1910s Swiss two-seat reconnaissance aircraft, built by the aircraft department of the Federal Construction Works ("Eidgenoessische Konstruktionswerkstaette", K + W) at Thun, Switzerland.