SPS Navarra (F85) is the fifth of the six Spanish-built Santa Maria-class frigates, based on the American Oliver Hazard Perry class design, of the Spanish Navy. Laid down on 15 April 1991, and launched on 23 October 1992, Navarra was commissioned in service on 27 May 1994. The ship features a series of improvements to her previous sisters, with a new Meroka mod 2B CIWS, and upgraded fire control systems with Mk.92 mod6 CORT (Coherent Receiver Transmitter) and SPS-49(v)5 radar instead of previous (v)4.