USCG 7 meter RIB carried by the USCG Cutter Halibut. Photo from the June 2011 issue of Breakwater, the Halibut’s newsletter.
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Houseboat Propeller Regulation Proposed and Withdrawn by USCG: Analysis by PGIC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