NTSB Identification: LAX86LA111.
The docket is stored on NTSB microfiche number 30025.
Accident occurred Saturday, February 08, 1986 in JOSHUA TREE, CA
Aircraft: PIPER PA-28-140, registration: N9974W
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.

ON FEB 28 1986, AT 0830 PST, A PIPER PA-28 COLLIDED WITH A TREE AFTER A FORCED LANDING. IMC PREVAILED AT THE TIME. A/C FLEW INTO DETERIORATING WEATHER CONDITIONS ENROUTE AND CLIMBED TO 11,000 FEET MSL TO GET ABOVE IT. DURING THE CLIMB IMC WAS ENCOUNTERED. AFTER SEVERAL MINUTES THE ENGINE BEGAN TO RUN ROUGH AND ALTITUDE COULD NOT BE MAINTAINED. THE CARBURETOR HEAT WAS PARTIALLY ON THROUGHOUT THE CLIMB AND FULL ON DURING CRUISE AT 11,000 FEET WITH THE MIXTURE FULL RICH. THE AIRCRAFT BROKE OUT OF THE CLOUDS AT 200 FEET AGL IN SNOW SHOWERS. THE PILOT LANDED THE AIRCRAFT IN ROUGH TERRAIN ADJACENT TO ROAD PARALLELED BY WIRES.

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

IN-FLIGHT PLANNING/DECISION..INADEQUATE..PILOT IN COMMAND

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

VFR FLIGHT INTO IMC..INADVERTENT..PILOT IN COMMAND

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

IMPROPER USE OF EQUIPMENT/AIRCRAFT..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..CLOUDS


Contributing Factors

FUEL SYSTEM,CARBURETOR..BLOCKED(PARTIAL)


Contributing Factors

TERRAIN CONDITION..HIGH VEGETATION


Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN


Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..CARBURETOR ICING CONDITIONS


Contributing Factors

FUEL SYSTEM,CARBURETOR..ICE


Contributing Factors

OVERCONFIDENCE IN AIRCRAFT'S ABILITY..PILOT IN COMMAND

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