SEATTLE — Most of a plane that crashed into Mutiny Bay over Labor Day weekend, killing 10 people, has been recovered, according to the National Transportation Safety Board. About 80% of the plane, including the engine, has been recovered and pulled to the surface using remotely operated vessels, NTSB Chair Jennifer Homendy said Thursday. Homedy is among the crew on barges leading recovery efforts that began Tuesday in a shipping channel off Whidbey Island. An NTSB spokesperson said only the Island County Coroner could share details on the recovery of human remains. The coroner’s office did not…