Transport, a division of Algoma Central. A class of vessel is created any time a new design is used to build a ship and is notable when multiple ships are built to the same design plans. The ships are used as dry-bulk lake freighters (two gearless bulk freighter and three self-unloading vessel). The first in the series, , was launched in 2013. – a new class of lake freighter delivered for Canada Steamship Lines in 2012 () and 2013 (, and ). An additional pair (CSL Welland and CSL St. Laurent) began service on the Great Lakes in 2015. – a new class of lake freighter, one of which, , was commissioned by Interlake Steamship Company and got underway on 1 July 2022. Ship losses and incidents The Great Lakes have a long history of shipwreck, groundings, storms and collisions. From the 1679 sinking of Le Griffon with its cargo of furs to the 1975 loss of Edmund Fitzgerald, thousands of ships and thousands of lives have been lost, and many involved vessels in the cargo trade. The Great Lakes Shipwreck Museum uses the approximate figures of 6,000 ships and 30,000 lives lost. David D. Swayze has compiled a list which details over 4,750 well-documented shipwrecks, mostly of commercial vessels and a list of known names of over 5,000 victims of those sinkings. Maritime historian Mark Thompson reports that based on nautical records, nearly 6,000 shipwrecks on the Great Lakes occurred between 1878 and 1994, with about a quarter of those being listed as total losses with a total of 1,166 lives lost. The most recent losses of modern lakers were: , May 11, 1953, Lake Superior, 17 of 31 crew died, (flooded after the cargo hatch covers were lost during a storm) , June 20, 1953, Lake Superior, 1 of 29 crew died, (rammed by freighter Burlington in heavy fog) , November 18, 1958, Lake Michigan, 33 of 35 crew died, (split in half by hogging during a storm) , May 7, 1965, Straits of Mackinac, 10 of 35 crew died, (collision with the saltie Topdalsfjord) , November 29, 1966, Lake Huron, 28 of 29 crew died, (split in half by hogging during a storm) , November 10, 1975, Lake Superior, 29 of 29 crew died, (unknown cause during a storm) The salties Prins Willem V and Monrovia also sank in the Great Lakes during the 1950s; both in