The pilot killed this morning in a helicopter crash in Bucks County was great-grandson of former President Herbert Hoover, according to his mother's obituary.
Douglas Brigham, a retired State Police corporal from Erwinna, died early this morning when a private helicopter he was operating exploded and crashed in a wooded area atop a hill near the Delaware River in the Erwinna section of Tinicum Township, authorities said.
The area, just off River Road, is across from Frenchtown, N.J. The crash is under investigation by federal aviation authorities.
According to an obituary posted on www.Remembering Pa.us, Margaret Hoover Brigham of West Chester, who died in 2011 at the age of 84, "was the oldest grandchild of President Herbert Hoover."