Appendages
An appendage is any part of a ship that protrudes from the hull below the waterline. This includes propellers, the rudder, shafts, bilge keels, struts, and sonar domes.
An appendage is any part of a ship that protrudes from the hull below the waterline. This includes propellers, the rudder, shafts, bilge keels, struts, and sonar domes.