§ Mr. Hayhoeasked the Secretary of State for Trade what were the total number of aircraft movements at night at Heathrow in 1975 for jets and for all other aircraft; and how these compare with the figures for the last five years.
§ Mr. Clinton DavisThe number of movements which took place during the night-time period of restrictions on jet movements is as follows:
Total Movements by Jet Aircraft Total Movements by Non Jet Aircraft 1970 7,779 6,040 1971 7,801 5,827 1972 8,044 5,916 1973 5,998 6,324 1974 5,040 5,776 1975 4,272 4,025