HC Deb 13 April 1989 vol 150 c648W
Mr. Beith

To ask the Secretary of State for Defence whether any aircraft taking part in Exercise Mallet Blow was authorised to cause a sonic boom over inhabited areas of Northumberland on Tuesday, 4 April; whether any aircraft did so; and if he will make a statement.

Mr. Neubert

I shall write to the hon. Member.