Amsterdam, Netherlands 5 August 2011
Building ordered in June 1961, laid down by A. de M., Rio de Janeiro, Brazil in September 1981 and commissioned in 1984. Modified Niteroi frigates class design. Displacement 2.420 tons/2.380 long tons (light)-3.500 tons/3.400 long tons full load) and as dimensions 129,2 x 13,5 x 5,5 metres or 424 x 44 x 18 feet. Two Piestick/Ishikawajima diesels supplying 8.000 bhp via 2 shaft allowing a speed of 18 knots and a range of 7.000 nautical miles. Crew numbered 415 men included 200 trainees. MMSI 710429000 and call sign PWBL. 20