NTSB: Mechanical failure, lack of federal oversight factored in Aurora Bridge crash

Glenn Farley reports

WASHINGTON, D.C. -  The National Transportation Safety Board says the Ride the Ducks amphibious vehicle should have been recalled by the Missouri company that made it. The NTSB board raised serious questions involving the duck tour operations on Tuesday.  

The NTSB heard from investigators about the September 24, 2015, collision between an amphibious duck boat and a tour bus. Five aboard the bus were killed, 69 others injured.

Ride the Ducks International -- the Missouri company that built the "stretch duck" involved in the accident -- took older WWII amphibious vehicles and installs new a drive train, engine, and other equipment to make the ducks. The company was not registered as a vehicle manufacturer with the National Highway Traffic Safety Administration.  Because of that, the safety board says there was no federal safety oversight. NTSB investigators said they don't know the reasons why they may have thought the rules didn't apply to them.  

The NTSB says metal fatigue led to cracking of the left steering knuckle that broke off just before the duck swerved left into oncoming traffic, causing the crash. Two reinforcements of the knuckles, one that existed on the accident vehicle and a second that was never installed, would not have prevented the axle failure, according to the NTSB. 

Investigators say Ride the Ducks International did issue service bulletins to weld in a larger collar to prevent cracking, but the local franchise, Ride the Ducks Seattle, had not only failed to perform that work, but had failed to perform 80 percent of work called for by other service bulletins. Ride the Ducks Seattle did check for visible signs of "canting" of the wheels that might indicate a problem. Since then, Ride the Ducks Seattle has dramatically upgraded its safety procedures.

Duck rides exist around the country, and the safety board was critical of a lack of seat belts and inconsistencies between the U.S. Coast Guard regulations that govern the vehicle when it's in the water and highway rules when operating on the roads. Visibility, or the lack of, for the driver was raised in a Boston case from April of 2016, where a duck operating on the street, overtook and hit a scooter, killing the scooter driver and injuring her passenger. 

Watch the NTSB meeting  via livestream. KING 5's Glenn Farley was also at the meeting. Follow his reports on Twitter at @GlennFarleyK5

Copyright 2016 KING


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