
Classification agency ClassNK has introduced a new software called PrimeShip-GREEN/ProSTA to analyse and calculate a ship’s speed trial, which is freely available.
Results can be used to calculate the energy efficiency design index (EEDI) in compliance with the latest International Maritime Organization (IMO) guidelines. In its guidelines on survey and certification of the EEDI, the IMO has provided two methods to avoid the effects of external factors during sea trials and deliver a way to analyse and calculate a ship’s speed in calm sea conditions.
IMO’s assigned approaches include ISO 15016: 2002 and the International Towing Tank Conference (ITTC) Recommended Procedures. ISO and ITTC collaborated to create the new harmonised international standard after the IMO requested to eliminate this dual standard.
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