§ Mr. Norman Lamontasked the Secretary of State for Trade and Industry how many jet passenger aircraft took off from Heathrow Airport between 11.30 p.m. and 6 a.m. in the period from 1st April to 31st October 1972.
§ Mr. OnslowThere were 516 jet departures during the period. Our records show that nearly 500 of these were passenger aircraft, but doubt has arisen about the precise number and I will write to my hon. Friend when investigations are completed.