NTSB finds possible cause of seaplane crash that killed 10
SEATTLE — U.S. investigators said Monday they have found a potential cause of a seaplane crash that killed 10 people off an island in Washington state last month.
The National Transportation Safety Board, the agency investigating the Sept. 4 crash off Whidbey Island, said it appeared a critical part that moved the plane’s horizontal tail stabilizer came apart, The Seattle Times reported.
That part might have failed because a clamp nut unthreaded and rotated due to a missing or improperly installed lock ring, the investigators found.
The failure of the component, called an actuator, during flight “would result in a free-floating horizontal stabilizer, allowing it to rotate uncontrollably … about its hinge, resulting in a possible loss of airplane control,” the NTSB said.
https://www.heraldnet.com/news/agency-finds-possible-cause-of-seaplane-crash-that-killed-10/
