U.S. investigators have confirmed that a mechanical issue caused the seaplane crash that killed 10 people off an island in Washington state last year. The
Mechanical issue caused Washington seaplane crash that killed 10, NTSB says nbcnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nbcnews.com Daily Mail and Mail on Sunday newspapers.