Defines methodologies for: a) the design, analysis and evaluation of stationkeeping systems for floating structures used by the oil and gas industries to support; 1) production; 2) storage; 3) drilling, well intervention and production, 4) production and storage; 5) drilling, well intervention, production and storage; and b) the assessment of stationkeeping systems for site-specific applications of mobile offshore units (e.g. mobile offshore drilling units, construction units, and pipelay units).