Country: Spain
Builder: Astillero Egaņa Barrenechea, Motrico, Spain.
Launch date: 10 April 1947.
Commission date: 27 April 1950.
Decommission date: 02 April 1982.
Displacement ( tons ): 65,7.
Dimensions ( metres ): 19 x 4,6 x 2,1
Main machinery: 1 x diesel ( 150 hp ).
Speed ( knots ): 8.
Comment: Ex - Cristo del Calvario. Later reclassified to coastal patrol duties and renamed to PYC-01 Alcatraz.