asked the Minister of Supply how many Armstrong Whit-worth AW/660 Argosy freight aircraft have been ordered; and how many it is contemplated ordering.

asked the Minister of Supply what personnel he now employs at the Microbiological Research Centre and Chemical Defence Experimental Establishment at Salisbury Plain; and for what purpose.

asked the Minister of Supply (1) how many personnel were employed at the Royal Aircraft Establishment, Farnborough, Bedford, and the Aeroplane and Armament Experimental Establishment, Boscombe...

asked the Minister of Supply what progress has been made by his Department by research with aircraft and engine manufacturers into the general problem of aircraft noise, with a view to reducing...