A 33-year-old Washington man was killed yesterday afternoon when the glider plane he was piloting nose-dived into a Warrenton, Va., landfill, Virginia State Police reported.

They said John A. Lendved, of 1789 Lanier Pl. NW, had been flying for about an hour when the 3:05 p.m. accident occurred. The plane, a Schweizer large wing glider, flying from the Warrenton Soaring Center glider port, crashed in the landfill, which is about five miles east of the port, police said.

Witnesses told police that Lendved apparently lost control of the blue and white glider plane. Virginia State Trooper Wayne Elam said, "The glider had done a couple of spins and spirals then flipped over in mid-air before it came crashing down nose-first."

Lendved's wife, Nancy, was waiting for his return at the glider port when the accident occurred, police said. Lendved was taken to Fauquier County Hospital where he was pronounced dead of multiple fractures and internal injuries at 4:09 p.m., according to hospital officials.

Police said the crash seemed unusual because weather conditions seemed favorable for flying. They said the cause of the crash was being investigated by the Federal Aviation Administration.