§ Mr. Lubbockasked the Minister of Aviation what recent studies have been made of the annual radiation dose attributable to cosmic radiation which is likely to be received by the crew of the Anglo-French supersonic airliner on North Atlantic routes; and if he will cause these studies to be published.
§ Mr. AmeryMy Department is continuing to study the scientific evidence available on this subject and is also preparing a programme of tests, which will extend over the next few years, to investigate conditions at high altitude. There is nothing new that it would be useful to publish at the moment.