The turboprop plane, which originated from Gainesville, Fla., was coming in for a landing at the Lorain County Regional Airport in Elyria, Ohio, when it crashed short of the runway, WJW-TV, Cleveland, reported.
The pilot, Wesley Roemer, and co-pilot, John Mengelson, 47, of Florahome, Fla., were killed, as were the two passengers, Donald and Shirley Brown, of Lorain County, Ohio, WJW-TV said.
Roemer was an employee of Kenneth Brown, the president of Kenn Air Corp. in Gainesville. The passengers on the flight were Kenneth Brown's parents, Mengelson's wife, Melinda, said.
Donald Brown, 89, is said to have invented drop ceilings, the television station said.
The fixed-wing, multi-engine MU-2B-60 plane was manufactured by Mitsubishi, and is owned by the Mitts Corp. of Gaineville, the FAA said.
The cause of the crash is being investigated by the FAA and the National Transportaion Safety Board, FAA spokewoman Elizabeth Isham Cory said.