The landing gear of a single-engine airplane collapsed while coming in to Brookhaven Calabro Airport on Sunday afternoon, a Federal Aviation Administration spokesman said.

The FAA will investigate the cause of the rough landing, spokesman Jim Peters said. A single person was aboard the plane, he said. The pilot walked away from the aircraft after the landing and was not hurt, according to the Mastic Fire Department.

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Suffolk police said the 911 call came in at 12:51 p.m.

The vintage plane came to rest on its belly, with its right wing on the ground.

The aircraft is a Cessna 305C, Peters said. Aviation websites describe it as a military aircraft that flew for the first time in 1949 and that the Army retired in 1974. It was a liaison and observation plane, the websites said.

The airport is owned by the Town of Brookhaven.