Welded hull with a wood-built superstructure. Launched at the shipyard N.V. Werf Timmer, Delft, Netherlands for account of Shell B.P. Petroleum Development Company of Nigeria Ltd, Port Harcourt, Nigeria on 16 June 1958 and commissioned on 21 August. With as dimensions 21,00 (between perpendiculars)-21,20 (over all) x 6,20 x 1,40 x 1,80 (depth) metres.