MV Loch RanzaMV Loch Ranza is a Caledonian [Maritime Assets Limited] ro-ro car ferry, operated by Caledonian MacBrayne, serving the island of Gigha.HistoryMV Loch Ranza was the last of four drive-through ferries built in the 1980s by Dunston's of Hessle, to cope with increasing traffic on CalMac's smaller routes.LayoutThe four vessels were based on the design of. They had a second passenger lounge, on the port side, reducing the capacity of the car deck.ServiceMV Loch Ranza replaced on the Lochranza–Claonaig crossing in April 1987. After only five years, she was replaced by the larger. Loch Ranza moved to the Tayinloan–Gigha crossing in July 1992, where she has remained since.