Submarinos portugueses clase Tridente ( Tipo 209 PN )
Tridente S 160
Arpao S 161
Builder: Howaldtswerke-Deutsche Werft (HDW), Kiel, Germany
Displacement: 1842 tons (surfaced) / 2020 tons (submerged)
Length: 67.7 meters (222 feet 1 inch)
Beam: 6.35 meters (20 ft 10 in)
Draft: 6.6 meters...