The identity of the pilot who died when his airplane crashed into Lake Superior on Saturday has been released.

A St. Louis County medical examiner’s report found that pilot Alexander Georg Obersteg, 47, of Steinfeld, Germany, died of injuries sustained in the crash and not as a result of a medical emergency prior to impact.

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Obersteg is believed to have been the only occupant of the plane which went down 1.2 miles off Brighton Beach at about 3:30 p.m. Saturday, June 7, according to a report from the St. Louis County Sheriff’s Office. He had taken off from Duluth International Airport and is believed to have been headed to Goose Bay, Labrador, en route to the ultimate destination of his hometown in Germany.

The cause of the crash still has not been determined, and the Federal Aviation Administration continues to investigate the fatal incident. Obersteg was behind the stick of a Lancair IV, a single-engine kit-built airplane when the accident occurred.

The wreckage of the plane, which came to rest in about 137 feet of water, has yet to be recovered, but authorities are laying plans to retrieve the craft.