Heliport 5 : An area on a structure used for the landing and takeoff of helicopters and which includes some or all of the various facilities useful to helicopter operation such as parking, tiedown, fueling, maintenance, etc. (RP 2L).
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}