Country: Spain.
Builder: Bazán, Cartagena, Spain.
Launch date: 08 July 1975.
Commission date: 18 November 1978.

Displacement ( tons ): 1.233 standard, 1.666 full load.
Dimensions ( metres ): 88,8 x 10,4 x 3,8
Main machinery: 4 x MTU-Bazán 16V 956 TB91 diesels ( 15.000 hp ).
Speed ( knots ): 25.
Range ( miles ): 4.000 at 18 knots, 7.500 at 12 knots.
Complement: 64.

Guns: 1 x OTO Melara 76mm/62 compact, 1 x Oerlikon 20mm/120, 2 x Browning M2 12,7mm, 2 x 7,62mm.

Radar: Surface search: Thales ZW 06; Navigation: 1 x Kelvin Hughes Type 1007, I band, 1 x Koden.

Callsign: EBIS (     )
Comment: Former corvette F31 Descubierta, converted to patrol duties. The removal of most of the sensors and weapons affected seriously maneuverability. A decision was made to restrict some of the changes to other ships being converted to patrol duties. Renumbered to P75 on 5th June 2000.
Homeport: Cartagena.