To ask the Scottish Government what consideration it has given to the procurement of additional marine evacuation systems (MES) for CalMac since August 2016, in light of the document, Contract for the Provision of Ferry Service Between the Scottish Ministers and CalMac Ferries Ltd, stating at page 180, "We will investigate and appraise the logistics and cost benefit of purchasing additional MES equipment to allow the statutory test deployment of an MES to be standard by wet testing an installed MES unit, then immediately changing it out for a tested and certificated dry unit which will allow the vessel to return to service much sooner.