Home News 14. March 2019 4th PPA - First Steel Cutting The First Steel Cutting ceremony for the 4th Multipurpose Patrol Ship (PPA) took place on 14th March at Riva Trigoso Shipyard (Genoa), 6 months ahead of schedule. 04. May 2015 Two new ship programmes integrated into OCCAR The Multipurpose Patrol Ship Programme PPA (Pattugliatori Polivalenti d’Altura) and the Logistic Support Ship Programme LSS (Logistic Support Ship) have been formally integrated into OCCAR on 4 May 2015