| British Helicopter Association (BHA) | britishhelicopterassociation.org |
| Civil Aviation Authority (CAA) specification | Licensed Aerodromes CAP168 Unlicensed Aerodromes CAP428 Offshore Helicopter Landing Areas CAP437 www.caa.co.uk |
| Federal Aviation Administration (FAA) | www.faa.gov |
| International Civil Aviation Organisation (ICAO) | International Standards & Recommended Practice – Aerodromes Annex 14 Volume I Aerodrome Design & Operations Annex 14 Volume II Heliports www.icao.int |
| Irish Aviation Authority (IAA) specification | Licensing Requirements for Private Aerodromes Heliports – Guidelines for Heliport Site Owners, Occupiers and for Heliport Site Keepers www.iaa.ie |
| Norwegian Oil & Gas Association Guidelines | norskoljeoggass.no/en/Publica |
