Midnight Express boat involved in snorkeling propeller strike accident off Haulover Marina, in Florida. image clipped from Local10 news video coverage.
Houseboat Propeller Regulation Proposed and Withdrawn by USCG: Analysis by PGIC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