Photos: Yute Air plane crashes in Kwethluk River

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The wreckage of a Yute Air plane rests in the Kwethluk River in Southwest Alaska. The plane went missing on Saturday, May 30, 2015 and was discovered the next day. Pilot Blaze Highlander died in the crash.

The body of a missing Yute Air pilot was discovered Monday inside the wreckage of the plane he was flying, which crashed in the Kwethluk River, Alaska State Troopers said Tuesday.

Blaze Highlander, 47, of Olympia, Washington, had taken a company Cessna 207 on a post-maintenance check flight from the company's Bethel base Saturday, but never returned.

Bethel-based troopers were notified that Highlander was overdue shortly after 2:30 p.m. Saturday. The following day, investigators found the plane upside down in the Kwethluk River.

READ MORE: Body of missing Yute Air pilot found amid wreckage in Alaska river