Pontoon boat deck rail and gate warning at 2013 Tulsa Boat Show. Is on top of a rail. Positioned to be read from the water or dock?
Houseboat Propeller Regulation Proposed and Withdrawn by USCG: Analysis by PGIC
History of Boat Propeller Safety
Mitigating Boat Propeller Injuries & Fatalities Chart
Four Volume Review of the Boating Industry’s Boat Propeller Guard Product Liability Defense