Leonard M. Greene

Leonard M. Greene, 88, an aviation-safety innovator who received patents for helping pilots avoid deadly wind hazards and who used his fortune to fund an economic policy think tank, a group that flies cancer patients to hospitals and ventures into America's Cup racing, died Nov. 30 at White Plains (N.Y.) Hospital Center. He had lung cancer.

An avid sailor, Mr. Greene became a technical adviser to several America's Cup races before buying two-time winner Courageous from Ted Turner in the early 1980s. Despite several of Mr. Greene's modifications to the keel, the boat's age remained a problem, and his team withdrew during the 1986 competition in Fremantle, Western Australia. Mr. Greene's syndicate represented the Yale Corinthian YC, and was one a record six challenges from the USA for the 1987 Cup.

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