River Class

The River Class vessel is powered by two Ruston 12 RK 270 medium speed diesel engines, rated at 4,125kW, driving twin controllable pitch propellers.



  • HMS Tyne (P281) Offshore Patrol Vessel at sea
  • MS Severn (P282) seen on open water
  • The bridge of HMS Tyne
  • Engine room of a Tyne class vessel
  • HMS Mersey (P283) seen from a side profile
  • River Class patrol vessel operating on a mission
  • River Class Offshore Patrol Vessel (OPV) at sea
  • Low angle view of River Class Offshore Patrol Vessel (OPV)