Comparison of efforts and resources available to OMC for 40 years and the guard they developed vs the Listman propeller guard developed in 60 hours by 6 people. Listman vs. OMC propeller injury trial. CVN image.
Houseboat Propeller Regulation Proposed and Withdrawn by USCG: Analysis by PGIC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