NTSB Identification: LAX88LA233.
The docket is stored on NTSB microfiche number 37857.
Accident occurred Saturday, June 25, 1988 in BIG BEAR, CA
Probable Cause Approval Date: 12/03/1989
Aircraft: HUGHES 269B, registration: N9350F
Injuries: 1 Uninjured.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
WHILE CRUISING, THE PLT PERCEIVED HE WAS EXPERIENCING A LOSS OF ENGINE & ROTOR RPM. THE PLT STATED THAT HE ATTEMPTED TO REGAIN RPM BY AUTOROTATING. THE RPM WAS REGAINED IN THE AUTOROTATIVE DESCENT. THE PLT ELECTED TO CONTINUE THE DESCENT TO A LANDING. UPON TOUCHDOWN THE ACFT ROLLED OVER IN THE SOFT GROUND. THREE DAYS BEFORE THE ACCIDENT THE PLT WAS ISSUED A ROTORCRAFT-HELICOPTER PRIVATE PILOT CERTIFICATE.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:ENGINE INSTRUMENT..MISREAD..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:ROTORCRAFT FLIGHT CONTROLS..IMPROPER USE OF..PILOT IN COMMAND
LACK OF TOTAL EXPERIENCE IN TYPE OF AIRCRAFT..PILOT IN COMMAND
LACK OF TOTAL EXPERIENCE IN TYPE OPERATION..PILOT IN COMMAND
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