A Gainesville man was identified Monday as the person killed in a single-engine plane crash near Lee Gilmer Memorial Airport last week. Lawrence Youhanaian, 74, was flying the 1976 Rockwell Commander 112 Thursday morning when the plane crashed on Palmour Drive, said Cpl. Kevin Holbrook, Gainesville police spokesman. Passenger Kelly Chandler, 50, a Gainesville resident and flight instructor at Lanier Flight Center, was seriously injured in the crash, Holbrook said.