HC Deb 13 May 1983 vol 42 c551W
Mr. Penhaligon

asked the Minister for Trade when he expects to send to the hon. Member for Truro the information promised in his answer of 25 March, Official Report, c. 519, regarding sonic booms.

Mr. Sproat

I have written to the hon. Member and a copy of my letter, dated 11 May, has been placed in the Library.