HC Deb 18 July 1960 vol 627 c13W
71. Mr. Lipton

asked the Secretary of State for Air whether it is still the practice that all United States Service aircraft, entering or leaving the United Kingdom, file a flight plan in advance; and in what Departments of Her Majesty's Government such flight plans are filed.

Mr. Ward

Yes. The purpose of this procedure is to satisfy requirements of safety and identification. The distribution of the information to the authorities concerned with these matters varies with the circumstances of the flight.

Forward to