Emperor has no boat, in reference to propeller guard testing at the State University of New York (SUNY) at Buffalo. This is an iStock photo and its use is authorized under our license.
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Houseboat Propeller Regulation Proposed and Withdrawn by USCG: Analysis by PGIC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