http://www.legislation.gov.uk/uksi/2011/2104/madeThe Air Navigation (Restriction of Flying) (Sculthorpe Airfield) Regulations 2011King's Printer of Acts of Parliament2011-09-05 The Air Navigation (Restriction of Flying) (Sculthorpe Airfield) Regulations 2011RegulationsThe Air Navigation (Restriction of Flying) (Sculthorpe Airfield) (Revocation) Regulations 2011reg. 2reg. 1