§ Mr. Moateasked the Secretary of State for Trade and Industry what is the minimum height for civil aircraft flying over Westminster, prior to landing at Heathrow; how many complaints have been received about aircraft noise nuisance from central London in the past year; and how the noise level compares with the estimated noise level of aircraft over the Kent coast landing and taking off from Maplin Airport.
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§ Mr. OnslowAircraft on approach to Heathrow normally cross Westminster at not less than 3,000 feet; 11 complaints about aircraft noise have been received from residents of the Cities of London and Westminster in the past year. The typical noise over Westminster of a heavy jet—for example, a Boeing 707—is about 93PNdB. If similar aircraft were using Maplin some years hence they would, when crossing the northern Kent coast, give an estimated average noise level of 91 PNdB on approach and PNdB on departure.