HC Deb 19 May 1972 vol 837 cc239-40W
Mr. Adley

asked the Secretary of State for Trade and Industry what will be the RB211 are installed show that under the conditions specified by the United States federal aviation regulations the noise levels in EPNdB are as follows:

Flyover Sideline Approach
DC10 … 98 96 106
L1011 … 98 95 103