Houseboat Propeller Shield proposed by Mike Hahn at Jones Valley Resort. Top view of the guard with the flap in trailing out position.
Houseboat Propeller Regulation Proposed and Withdrawn by USCG: Analysis by PGIC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