The objective of Work Package 5 - System design for short sea shipping is to apply the theoretical findings from the previous work packages into practical ship designs and to evaluate these designs with regard to safety, technical and economic feasibility in view of future pilot projects. The market-segment of shipping that is known as “short sea shipping" relates to ships that primarily operate in coastal trades. There is a wide diversity of ships operating in it, with mutual differences in type, size, speed, operational pattern, propulsion system, etcetera. These vessels include general cargo vessels, tankers, container vessels, passenger vessels and several types of work vessels. The result of the previous work provided the building blocks for system designs for several short sea ships and work vessels and especially focussed on ship conversion plans for existing ships. After investigation of the present situation in North European ports with regard to methanol and in consultation with shipowners, different ships were selected. Based on the results of WP3 different engine were taken into account. For four real life vessels a benchmark design was made of a methanol propulsion system.