NTSB Identification: LAX86LA312.
The docket is stored on NTSB microfiche number 32541.
Accident occurred Saturday, July 05, 1986 in CLOVERDALE, CA
Aircraft: MOONEY M20F, registration: N6762V
Injuries: 2 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.

THE ACFT COLLIDED WITH WIRES FOLLOWING A LOSS OF CONTROL. THE PLT INDICATED THAT HE WAS FOLLOWING A RIVER AT 1,500 FT MSL AT A SLOW AIRSPEED WHEN THE STALL WARNING SOUNDED. THE PLT STATED THAT HE LOWERED THE NOSE IN A DOWNDRAFT AND RECOVERED CLOSE TO THE GROUND. THE RIVER ELEVATION IS APRX 4OO FT MSL IN THE VICINITY OF THE ACCIDENT SITE. THE ACFT DESCENDED APRX 1100 FT PRIOR TO THE COLLISION WITH THE WIRES. THE PLT ALSO INDICATED THE WINDS WERE FROM THE NW AT 20 KTS GUSTING TO 30 KTS AND THAT THE TURBULENCE WAS SEVERE. THE FAA ADVISORY CIRCULAR 61-21A, ENTITLED 'FLIGHT TRAINING HANDBOOK' STATES, 'THE PILOT MUST PROMPTLY RECOGNIZE THE INDICATIONS OF AN IMMINENT STALL AND TAKE TIMELY, POSITIVE CONTROL ACTION TO PREVENT A FULL STALL. PERFORMANCE IS UNSATISFACTORY IF A FULL STALL OCCURS, IF AN EXCESSIVELY LOW PITCH ATTITUDE IS ATTAINED, OR IF THE PILOT FAILS TO TAKE TIMELY ACTION TO AVOID EXCESSIVE LOSS OF ALTITUDE'.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

WEATHER EVALUATION..NOT PERFORMED..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

CLEARANCE..NOT MAINTAINED..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

AIRSPEED..INADEQUATE..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

THROTTLE/POWER CONTROL..NOT USED..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND



Contributing Factors

WEATHER CONDITION..TURBULENCE


Contributing Factors

WEATHER CONDITION..DOWNDRAFT


Contributing Factors

VISUAL LOOKOUT..INADEQUATE..PILOT IN COMMAND


Contributing Factors

STALL/MUSH..PERFORMED..PILOT IN COMMAND

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