A plane that was flying from Hayward to Lincoln crashed Friday near Mount Diablo State Park and left one person dead.
San Ramon Valley Fire Protection District officials were called Saturday afternoon out to the site of a fiery plane crash — two miles southwest of the peak of Mt. Diablo — that happened some time Friday night, according to the dispatch center.
"Could be a mechanical problem could be a variety of different problems that caused the plane to go down," said Cameron Morrison, Supervising Ranger of Mount Diablo State Park.
Federal Aviation Administration spokesperson Ian Gregor said he believes the pilot was the only person on board.
The single-engine Mooney aircraft was reported overdue by a family member, said Gregor.
San Ramon Valley Fire said California State Parks officials are handling the incident.
The cause of the plane crash is unknown. The FAA and The National Transportation Safety Board are investigating the incident.
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The identity of the pilot is unknown.
