The estate and family of a man who died in a northern lower Michigan helicopter crash in September claims in a lawsuit that negligence contributed to the accident that killed him and another Detroit-area man. A lawsuit was filed in January in Macomb County Circuit Court by relatives of 33-year-old Mark May, of Sterling Heights, The Macomb Daily reported this week. He was the passenger in the helicopter piloted by 46-year-old Dan Logghe, who also died in the Sept. 23 crash.