As part of a rebuild and lifetime extension program for five Swedish Navy patrol boats, Swede Ship Marine will install new Kongsberg Maritime sonar systems to replace the previous model SIMRAD SS576 sonar first installed in 1996 on board the Tapper-class (or Bevakningsbåt 80). At 22 meters in length and a displacement of 62 tons, the Tapper-class Fast Patrol Boats operate in extremely shallow water and require sonar capable of high performance in such environments. Kongsberg Maritime said its sonar was selected for this upgrade to help protect and patrol Swedish coastal waters…