With an overall length of 20.90 m and a beam of 5.00 m, Rio Belelle and Rio Agueda
are two sister Patrol Vessels designed and equipped for surveillance and fighting drug trafficking and illegal immigration, as well as protecting the marine environment, within the scope of the duties of the Spanish Civil Guard. Built for a service life of at least 15 years, both vessels can reach a speed of 36 knots thanks to their over 2,000 HP engines.