HC Deb 03 May 1950 vol 474 c202W
Mr. J. Grimston

asked the Parliamentary Secretary to the Ministry of Civil Aviation if he will make available the document, "Operational Feasibility of Aircraft through Thunderstorms," in view of its importance to aircraft safety.

Mr. Beswick

Yes. This document has been produced by the United States Air Force and it is being made available to British air transport operators with the permission of the United States authorities.