The boat accident described below, resulting in the death of two occupants, presented the challenge of determining who of the four occupants of the boat was the driver at the time of the accident, and what was the seating position of each occupant.
Crew boats are such relative simple marine equipment that it appears that the possibility of accidents unrelated to machinery should be very remote.
This 48-foot 66 MPH luxury power cruiser was beautiful inside and outside, but during trials and during the test ride, a squeaking "humming noise" was noticed in the proximity of the icemaker cabinet door. The frame of the cabinet door was attached to the hull and the salesman convinced the potential buyer that the noise would disappear after the boat was operated a few hundred miles. According to the salesman, there were built-in residual stresses that will be released by operating the boat with motions and slamming for several hours. The boat was sold despite of the squeaking.
The following is a typical type of accident due to Manufacturing Defects. Manufacturing Design Defect and U.S.C.G. Recall Campaigns: A boat or item of associated equipment is subject to a safety recall if it fails to comply with Coast Guard Safety standards or contains a defect that creates a substantial risk of personal injury.
Gasoline is very dangerous. This explosion left two people with very serious injuries and destroyed the boat.
The art of positioning a propeller underneath a boat hull is not a new one. Designers and naval architects have been grappling with every aspect of the propulsion-by-propeller problem for generations, and the result has been the evolution of a well known set of standard and efficient solutions