Laid down at the shipyard Compagnie des ateliers et forges de la Lorie, Nantes, France on 13 May 1966, launched on 29 November 1966. Commissioned 26 April 1968. Of the Comandante João Belo-class based on the French Comandant Rivière-class. Displacement 1.750 (standard)-2.250 (maximum) ton and as dimensions 108,5 x 12 x 4,4 metres. Fitted out with 2 diesel engines with 16.000 hp horsepower. Speed 23,5 knots. With a speed of 15 knots a range of 7.500 nautical miles. Her crew in Portuguese service numbered 15 officers, 27 petty officers and 122 sailors. The armament consisted of 2-10cm guns, 2-4cm anti aircraft guns and 2x3-32,4cm torpedo tubes.
