 The official report of the accident said that the charter pilot had severe coronary artery disease, had run a portion of the three miles to the airport from a motel, and may have suffered a heart attack causing him to crash the twin-engined Beechcraft E18S into a pecan tree at the end of a clear runway with excellent visibility.Early the following week, Muehleisen was buried in Trenton.Muehleisen had an enthusiastic preference for Martin Guitars and used a Martin D-18 and D-35 in his studio recordings, both on "Gingerbreadd" and on Jim Croce's three albums.