Country: Spain.
Builder: Bazán, Cartagena, Spain.
Launch date: 26 March 1955.
Commission date: 15 January 1963.
Decommission date: 04 July 1969.

Displacement ( tons ): 20,39 surfaced, 21,22 submerged.
Dimensions ( metres ): 13,86 x 1,73 x 2,03
Main machinery: 1 x ENASA Pegaso diesel ( 125 hp ), 1 x CENEMESA SKM 123 electric ( 110 hp ).
Speed ( knots ): 11,5 surfaced.
Range ( miles ): 350 at 9,5 knots (surfaced), 11,5 at 11,5 knots (submerged), 600 at 7 knots (surfaced), 120 at 3 knots (submerged).
Complement: 2.

Torpedoes: 2 x G7e 533mm torpedoes.

Comment: 100m max diving depth, 40m diving depth if torpedoes carried.