§ Mr. David Steelasked the Secretary of State for Trade and Industry if he will now publish the results of research carried out by the National Gas Turbine Establishment which forecasts the possibility of halving jet engine noise within the next decade.
§ Mr. OnslowWork at the National Gas Turbine Establishment indicates that there are continuing technological possibilities for reduction of noise in future engine designs, but no specific research reports have forecast the possibility of halving jet engine noise within the next decade.