Summary
On June 30, 1991, a Beech 65 (N713JB) was involved in an accident near Pioneer, CA. The accident resulted in 6 fatal injuries. The aircraft was destroyed.
The National Transportation Safety Board determined the probable cause of this accident to be: IMPROPER EMERGENCY PROCEDURES BY THE PILOT, WHEN HE INADVERTENTLY SHUT DOWN THE LEFT ENGINE AFTER ENCOUNTERING A PARTIAL LOSS OF POWER IN THE RIGHT ENGINE. FACTORS RELATED TO THE ACCIDENT WERE: IMPROPER INSTALLATION OF THE RIGHT ENGINE'S #6 EXHAUST VALVE SEAT BY OTHER MAINTENANCE PERSONNEL, FATIGUE FAILURE OF THE #6 EXHAUST VALVE, AND THE PILOT'S LACK OF FAMILIARITY WITH THE AIRCRAFT.
This accident is documented in NTSB report LAX91FA282. AviatorDB cross-references NTSB investigation data with FAA registry records to provide comprehensive safety information for aircraft N713JB.
Accident Details
Probable Cause and Findings
IMPROPER EMERGENCY PROCEDURES BY THE PILOT, WHEN HE INADVERTENTLY SHUT DOWN THE LEFT ENGINE AFTER ENCOUNTERING A PARTIAL LOSS OF POWER IN THE RIGHT ENGINE. FACTORS RELATED TO THE ACCIDENT WERE: IMPROPER INSTALLATION OF THE RIGHT ENGINE'S #6 EXHAUST VALVE SEAT BY OTHER MAINTENANCE PERSONNEL, FATIGUE FAILURE OF THE #6 EXHAUST VALVE, AND THE PILOT'S LACK OF FAMILIARITY WITH THE AIRCRAFT.
Aircraft Information
Registered Owner (Historical)
Data Source
Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# LAX91FA282