Carbon Monoxide Blamed in Crash
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From Times Staff and Wire Reports
A mother and son who died in the crash of their small plane had passed out from carbon monoxide fumes that probably seeped into the cockpit from a hole in the muffler, investigators said in Concord, N.H. Pilot David Riach, 46, and his mother, Dorothy Riach, 71, were comatose but alive as their single-engine plane soared over three states last Friday, said James Kaplan, acting New Hampshire medical examiner. The plane eventually ran out of gas and crashed.
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