§ Mr. Tebbitasked the Secretary of State for Trade what research has been carried out by his Department, or to which his Department has access, into the nature and distribution of sonic booms reaching the ground from supersonic aircraft.
§ Mr. Clinton DavisConsiderable research has been carried out by Government Departments and scientific establishments into the nature and likely effects of primary sonic boom from supersonic aircraft. Information from research by French, American and other authorities has also been made available. More recently the Government have been co-operating with Bristol University in investigating the nature of secondary booms.