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20-Year Search for Plane in Lake Michigan Ends

Northwest Orient crash in 1950 was the worst US air disaster ever at the time
By Newser Editors and Wire Services
Posted Jun 25, 2025 4:06 PM CDT
20-Year Search for Plane in Lake Michigan Ends
In this photo provided by Valerie van Heest, a historical exhibit of the 1950 crash of a Northwest Orient plane in Lake Michigan is on display at the Heritage Museum in St. Joseph, Mich., last October.   (Valerie van Heest via AP)

A group is ending a 20-year search for a plane that crashed into Lake Michigan in 1950, killing all 58 people on board—the worst aviation disaster in US history at the time—after sweeping the vast body of water using sonar technology. The effort to find Northwest Orient Flight 2501 also had the support of an acclaimed adventure writer. Valerie van Heest, executive director of the Michigan Shipwreck Association, said she has mixed feelings about ending the search, the AP reports, which began in 2004.

"It's a hard thing to have to say because part of me feels like we have failed," van Heest told the Detroit News, "but we have done so much to keep memory of this accident and these victims at forefront that I feel like we've done better for them than if we'd found the wreckage." After covering 700 square miles of Lake Michigan, Van Heest said scientists believe the plane broke up into pieces too small to be detected by side-scan sonar and likely sank "into the muck" on the bottom. The plane, a propeller-driven DC-4, left LaGuardia Airport in New York at night on June 23, 1950, with two stops planned on its way to Seattle. An intense storm suddenly appeared, and the plane went down.

Debris and body parts washed ashore in South Haven, Michigan, per the AP. "We know this plane hit the water with great force, and we know there was no way to survive this," said van Heest, who has written a book, Fatal Crossing, about the mystery. A South Haven resident said the "bang" of the crash shook her home a quarter mile away from the lake, per MLIVE. Clive Cussler, an author whose adventure fiction has sold in the millions, financially supported a search until 2017. Also known for his own shipwreck hunting and underwater exploits, Cussler died in 2020. "I hope someday the families of those lost will have closure," Cussler wrote in 2018.

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