The plane was heading from Francis S. Gabreski Ariport, Westhampton Beach to Morristown when the pilot reported difficulty in maintaining altitude. Authorities said he was attempting to make an emergency landing at Republic Airport, Farmingdale but could not make it to there.
The pilot was killed in the crash while his only passenger, identified as Carl Giordano, 55, of New Vernon, New Jersey, sustained injuries. He was taken to Nassau County University Medical Center.
The FAA and the NTSB are investigating.