A Beechcraft Bonanza took off from Northwest Regional Airport in Roanoke early this morning.
Around 9:40 a.m. air traffic controllers lost radar and radio contact with the aircraft close to the area where the downed plane was later found.
Police and Civil Air Patrol began a search a short time later.
The Federal Aviation Administration said 4 people were on the aircraft, and were found dead.
Their identities are unknown.
The FAA is investigating.