NTSB Identification: LAX86LA181.
The docket is stored on NTSB microfiche number 30718.
Accident occurred Wednesday, April 16, 1986 in COLUSA, CA
Aircraft: PIPER PA-18-150, registration: N82182
Injuries: 1 Minor,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.

THE PILOT REPORTED THAT WHILE ON A PIPELINE AERIAL OBSERVATION FLIGHT HE ENCOUNTERED MODERATE TO SEVERE TURBULENCE, SNOW SHOWERS AND FREEZING RAIN. WHEN HE ATTEMPTED TO DEPART THE AREA THE AIRCRAFT BEGAN TO SHUDDER AND VIBRATE TO THE EXTENT THAT ANY FURTHER TURNS WOULD HAVE CAUSED THE AIRCRAFT TO STALL. THE PILOT ELECTED TO NEGOTIATE A 'PRECAUTIONARY LANDING' IN AN OPEN AREA AND WHILE ON FINAL APPROACH THE LEFT WING STRUCK A TREE. THE AIRCRAFT DID NOT EXPERIENCE ANY PRE-IMPACT MALFUNCTIONS AND/OR FAILURES.

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

CONTINUED..PILOT IN COMMAND


Contributing Factors

OBJECT..TREE(S)


Contributing Factors

WEATHER CONDITION..ICING CONDITIONS


Contributing Factors

WEATHER CONDITION..TURBULENCE


Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN


Contributing Factors

TERRAIN CONDITION..HIGH VEGETATION

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