§ Mr. Ronald Brownasked the Secretary of State for Trade, pursuant to his reply to Question No. 541 on 28th February 1977, what the highest noise levels would have been had Concorde been included in the results; and which runways the relevant aircraft were using.
§ Mr. Clinton DavisFollowing is the information:
PNdB Runway Aircraft Type 1976 January 118 10L Trident February 124 10L Boeing 707 March 118 10L Trident April 117 28L Trident 10R Boeing 707 May 119 l0R Concorde June 124 10L Boeing 707 July 119 10L Boeing 707 10R Boeing 747 August 119 10R Boeing 707 September 124 10R Concorde October 122 10R Concorde November 118 28L Boeing 707 December 118 28L Boeing 707 1977 January 121 10R Boeing 747