http://www.legislation.gov.uk/uksi/2016/734/madeThe Air Navigation (Restriction of Flying) (Southport) Regulations 2016King's Printer of Acts of Parliament2016-07-14 The Air Navigation (Restriction of Flying) (Southport) Regulations 2016reg. 3(2)(a)The Air Navigation (Restriction of Flying) (Southport) (Amendment) Regulations 2016reg. 3reg. 1