§ 73 and 74. Mr. Rootsasked the President of the Board of Trade (1) whether he regularly monitors noise levels of aircraft flying over Central London;
(2) whether he regularly monitors the height of aircraft over Central London.
§ Mr. MasonNoise levels of departing jet aircraft, and heights of approaching aircraft of all types, are monitored regularly near the airport, but not in central London, over which they will be higher and less noisy.