The Northern Isles Ferry Service public service contract allows for scheduled unavailability due to the necessary dry docking of all vessels. Dates of recent and future dry-docking for passenger and freight vessels are included within the following table; a) Ro-Pax Vessels Vessel Date MV Hjaltland 06-02-14 – 19-02-14 MV Hjaltland 08-01-17 – 26-01-17 MV Hrossey 27-02-14 – 14-03-14 MV Hrossey 06-03-17 – 25-03-17 MV Hamnavoe 07-01-14 – 22-01-14 MV Hamnavoe 29-02-16 – 15-03-16 MV Hamnavoe TBC * *Date to be confirmed by the operator following confirmation of yard availability.