NTSB Identification: SEA85LA013.
The docket is stored on NTSB microfiche number 25916.
Accident occurred Monday, October 22, 1984 in WILLIAMS, OR
Aircraft: PIPER PA38, registration: N9513T
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.

PLT WAS FLYING 150 TO 200 FT AGL AT 80 TO 85 MPH. UPON PWR APPLICATION TO RETURN TO ALT, PLT STATED, CARBURETOR HEAT CONROL WAS NOT RETURNED TO THE 'OFF' POSITION. PLT STATED ACFT DID NOT WANT TO CLIMB SO PWR WAS REMOVED AND AN ATTEMPT TO FLY UNDER SURROUNDING TREES WAS MADE. THE LEFT WING CONTACTED TREE BRANCHES AND THE ACFT STRUCK THE GROUND. PLT REPORTED THE LEFT MAGNETO WAS ROUGH DURING PRE-FLIGHT RUN-UP, HOWEVER POST ACCIDENT INVESTIGATION OF THE MAGNETOS REVEALED NO ABNORMALITIES. THE LOWER SPARK PLUGS WERE FOUND TO BE CARBON FOULED.

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

JUDGMENT..POOR..PILOT IN COMMAND

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

OPERATION WITH KNOWN DEFICIENCIES IN EQUIPMENT..INTENTIONAL..PILOT IN COMMAND




Contributing Factors

IGNITION SYSTEM,SPARK PLUG..LEADED

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