M/S Esso 20 Other names : ex Bowhead, ex Z4 Call sign : LAXD Nationality : Norway flaggNorway Home port : Oslo, Norge SHIPYARD Name : Smiths Dock Co.Ltd., Middlesbrough, UK Build year : 1915 Yard number : 644 OTHER Participant in WW2 Civilian ship Tonnage Gross tonnage : 267 Net tonnage : 109 Deadweight : 354 Engine Propulsion : Triple 3 cyl. Engine size : NHK 157 Dimensions Length : 125.6' Beam : 25.0' Draft : 11.9' HISTORY: / 1915: The Royal Navy, U.K. - Z4 / 1917: renamed - BOWHEAD 4/1920: A.J. Ashwin, London, U.K. - BOWHEAD / 1924: Cia. Ballenera del Peru Ltd., Callao, Peru - BOWHEAD / 1926: Esso A / S, Oslo (Rigged to barges - ESSO 20 / 1952: Wrecked and sank 2/2 in Fredrikstad in shallow water. Salvaged / 1952: Bought by unknown owner - SVARTEN / 1955: Skips A / S KES (Knut Ness) Tønsberg - VESTFOLD I / 1956: Converted to cargo boat at Husø Shipyard, Tønsberg Measured: GROSS: 289 tons.NET:153 tons.Lgd: 133.3 ' / 1956: new engine: Atlas BHK 300 / 1959: new engine: Sulzer BHK 450 Speed 10 knots 10/1964: Lyder Aune, Trondheim - VESTFOLD I / 1968: New engine: General Motors BHK 450 Speed: 10 knots 10/1970: Emil Kristensen, Sandnessjøen, Trondheim - VESTFOLD I 8/1990: renamed - HAMNFJELL 5/1992: Odd Stabben, Tustna, Kr.sund N - HAMNFJELL 9/1992: Soltin Shipment A / S, Haugesund, Trondheim - HAMNFJELL 9/1992: Mianda Ltd., Panama - HAMNFJELL / 2001: Further Information unknown. Source : https://www.sjohistorie.no/