National Marine Manufacturers Association (NMMA) public comments on USCG-2011-0497 proposed rule on propeller strikes and carbon monoxide as a wordle. Large image size.
Aspects of the Propeller Safety Debate chart
Houseboat Propeller Regulation Proposed and Withdrawn by USCG: Analysis by PGIC
History of Boat Propeller Safety
Mitigating Boat Propeller Injuries & Fatalities Chart