Summary
On July 23, 1991, a Beech 95-C55 (N77CQ) was involved in an accident near Granada Hills, CA. The accident resulted in 3 fatal injuries. The aircraft was destroyed.
The National Transportation Safety Board determined the probable cause of this accident to be: A LOSS OF DIRECTIONAL CONTROL FOLLOWING AN UNDETERMINED AUTOPILOT FAILURE, DURING WHICH THE PILOT FAILED TO PERFORM THE EMERGENCY PROCEDURE TO CORRECT A MIS-TRIM CONDITION. CONTRIBUTING TO THE ACCIDENT WAS A PERCEIVED ELEVATOR CONTROL PROBLEM; THE INABILITY OF THE PILOT TO OVERPOWER THE MIS-TRIM CONDITION; AND A LACK OF UNDERSTANDING AND TRAINING IN AUTOPILOT SYSTEMS AND FAILURES.
This accident is documented in NTSB report LAX91FA324. AviatorDB cross-references NTSB investigation data with FAA registry records to provide comprehensive safety information for aircraft N77CQ.
Accident Details
Probable Cause and Findings
A LOSS OF DIRECTIONAL CONTROL FOLLOWING AN UNDETERMINED AUTOPILOT FAILURE, DURING WHICH THE PILOT FAILED TO PERFORM THE EMERGENCY PROCEDURE TO CORRECT A MIS-TRIM CONDITION. CONTRIBUTING TO THE ACCIDENT WAS A PERCEIVED ELEVATOR CONTROL PROBLEM; THE INABILITY OF THE PILOT TO OVERPOWER THE MIS-TRIM CONDITION; AND A LACK OF UNDERSTANDING AND TRAINING IN AUTOPILOT SYSTEMS AND FAILURES.
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# LAX91FA324