HC Deb 24 November 1969 vol 792 cc18-9W
77. Mr. Dalyell

asked the Minister of Technology what studies are in progress for a civil vertical take-off and landing aircraft.

Mr. Carmichael

Hawker Siddeley Aircraft are studying the concepts of direct lift by jet engines, and by a form of rotor which can be stowed during forward flight. Westland Aircraft are studying the convertible rotor.