The Air Navigation (Restriction of Flying) (Buckingham Palace) Regulations 1974
Whereas the Secretary of State, for a reason affecting the public interest, deems it necessary in the public interest to restrict flying in the vicinity of Buckingham Palace on the occasions of the State Opening of Parliament and the Remembrance Day Ceremony: Now, therefore, the Secretary of State, in exercise of the powers conferred on him by Article 66 of the Air Navigation Order 1974(a) as amended (b) and of all other powers enabling him in that behalf hereby makes the following Regulations: