An item reported the launching by the Dutch firm Gebr. Niestern, Delfzijl, Netherlands the motor tug Bissau for account of the government of Portuguese Guinea. Dimensions 30 (between perpendiculars)-33 x 7,20 (on thrushes) x 3,30 (hold) metres. To be fitted out with 1-400hp M.A.N. diesel and 2-40hp Gardner-Kromhout diesels, the latter to be used as auxiliary engines. On 12 May was her successful trial achieving a speed of 10,5 miles. To be used as buoy layer and tug.