 The first three (P-41-P-43) were commissioned between 1985 and 1987, but "Parker" was delayed until 1990 after flooding on 2 October 1986.Fitting out of "Robinson" and "Gómez Roca" was suspended in 1992, briefly restarted in July 1994 and resumed on 18 July 1997.These last two have improved automation, communication and electronics systems; along with "Parker" they have a telescoping hangar fitted.