LAX90LA115

NTSB accident investigation · Piper PA-18 · Sonoma Valley, CA · March 13, 1990

Accident · No injuriesLimited investigationFinal report
Date
March 13, 1990, 09:45 local (17:45 UTC)
Place
Sonoma Valley, CA
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N3765ZPiper PA-18
Weather
Visual (VMC) · Day
Status
Completed · report September 28, 1992
Report
Approved by Office Director
FAA report
19900313004249A
Case key
26752

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The pilots inability to maintain aircraft control during a critical phase of flight after experienceing a shift in wind.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of control - in flightTakeoff - initial climb
Weather condition - tailwindFactor
Compensation for wind conditions - not performedPilot in commandCause
In flight collision with terrain/waterLanding - flare/touchdown

Analysis

The pilot of a Piper PA-18 experienced a gust of wind from the rear shortly after liftoff. The pilot lost control and there was insufficcient altitude remaining for him to recover. The pilot made a landing into an irrigation ditch off the right side of the runway. The pilot reported no malfunction with the aircraft prior to the accident.

Aircraft

Registration
N3765Z
Reported as
Piper PA-18
Category
Airplane
Serial number
18-7528
Engine
Lycoming O-320, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Best, William
Registered owner
Unknown
Airport
0Q3 · Schellville, runway 34, 2,200 × 65 ft, asphalt

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
52
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Flight hours
320 total · 320 in this make and model

Weather

Conditions
Visual (VMC) · Day
Visibility
20 statute miles
Lowest ceiling
None
Temperature
-0 °F, dew point -0 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Other investigations on N3765Z · 1

Matched to the same aircraft by N-number and date.