The disappearance marks the third major incident in U.S. aviation in eight days. The Bering Air Caravan, a single-engine turboprop, was heading from Unalakleet to Nome.

The Bering Air Caravan, a single-engine turboprop, was heading from Unalakleet to Nome on Thursday afternoon with nine passengers and a pilot, according to Alaska's Department of Public Safety. Authorities were working to determine its last known coordinates.

The U.S. Coast Guard in Alaska on Friday found the wreckage of a small plane that suddenly lost altitude on Thursday and went missing with 10 people on board, recovering three of the bodies.