NTSB Identification: LAX85LA222.
The docket is stored on NTSB microfiche number 27939.
Accident occurred Thursday, April 25, 1985 in FELTON, CA
Aircraft: PIPER PA-28-140, registration: N511FL
Injuries: 2 Minor.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

DURING THE PREFLIGHT OF THE ACFT, THE PLT SAID HE OBSERVED THE WIND CONDITIONS AT THE AIRPORT AS FROM THE NORTH AT ABOUT '5 TO 10 KTS, WHICH INDICATED A LEFT CROSSWIND. THE AIRPORT IS IMMEDIATELY SURROUNDED BY PINE TREES WHICH AVERAGE ABOUT 60 FT IN HEIGHT. PLT SAID THAT HE WAS CLIMBING AT ABOUT '80 MPH' FOLLOWING A NORMAL SHORTFIELD TAKEOFF WHEN THE ACFT ENCOUNTERED A 'VIOLENT DOWN DRAFT' AT ABOUT 100 FT AGL. ACCORDING TO THE PLT, THE DOWNDEAFT ROLLED THE ACFT TO A 90 DEGREE LEFT WING DOWN ATTITUDE AND HE COULD NOT REGAIN CONTROL PRIOR TO CONTACTING TREES OFF THE LEFT SIDE OF THE RUNWAY. GROUND WITNESSES ON THE AIRPORT SAID THAT THE WINGS ON THE AIRPORT PROPER WERE 'ALMOST CALM', HOWEVER AT THE TREE TOP LEVEL WERE FROM THE LEFT AT '10 KTS WITH GUST TO 15 KTS.

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

OBJECT..TREE(S)

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

AIRSPEED..IMPROPER..PILOT IN COMMAND

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

REMEDIAL ACTION..REDUCED..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..CROSSWIND

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