From the Book Sailing ship to Supertanker. Cheyenne 11.1930 8,825 GRT Built by Palmers Co. Ltd., Newcastle. Measurements: 477 feet length X 64 feet breadth. 12,350 tdw. Engines: Oil. 12 knots. 15.9.1939: torpedoed and attacked by gunfire by U.53 in 50.20N 13.30W. Abandoned. Wreck sunk later by Royal Navy destroyer. Appalachee 12.1930 8,826 GRT Built by Palmers Co. Ltd., Newcastle. Measurements: 477 feet length X 64 feet breadth. 12,350 tdw. Engines: Oil. 12 knots. 1.12.1940: Sunk by submarine U.101 torpedo, 54.30 N 20.00 W while sailing in convoy HX 90 (United States-United Kingdom). Comanchee 3.1936 6,837 GRT Built by John Brown & Co. Ltd., Clydebank. Measurements: 450 feet length X 61 feet breadth. Engines: Oil. 1950: Esso Plymouth. 9.8.1962: Arrived Grimstad for breaking up. The Comanchee was built for the carriage of 10,300 tdw of lubricating oils in twenty-seven tank compartments, separated by two longitudinal bulkheads and by tranverse bulkheads. She had a cruiser stern and was also given a double bottom for water ballast to overcome the necessity of carrying water ballast in cargo tanks, as in earlier-designed tankers. Her dimensions gave her a capability of negotiating the locks of the Manchester Ship Canal.