ANC91LA011

NTSB accident investigation · Piper PA-18-150 · Thorne Bay, AK · November 7, 1990

Accident · Minor injuriesLimited investigationFinal report
Date
November 7, 1990, 10:00 local (14:00 UTC)
Place
Thorne Bay, AK
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N9786PPiper PA-18-150
Weather
Visual (VMC) · Day
Status
Completed · report December 8, 1992
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19901107049129A
Case key
5509

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 pilot's delay in aborting the takeoff.

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.

In flight collision with objectTakeoff - aborted
Object - tree(s)Cause
Aborted takeoff - delayedPilot in commandFactor
Weather condition - high windFactor
Weather condition - gustsFactor
Weather condition - crosswindFactor
Nose overLanding - roll

Analysis

The pilot aborted takeoff from a beach. The airplane struck a tree stump and nosed over. The airplane was reportedly heavily loaded at the time. Gusty and variable crosswinds of about 30 to 40 knots were reported.

Aircraft

Registration
N9786P
Reported as
Piper PA-18-150
Category
Airplane
Serial number
18-7609029
Engine
Lycoming O-320-A2B, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Neil J. Trautman
Departed
NONE · Thorne Bay, AK
Destination
JUN · Juneau, AK
Airport
NONE

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
46
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Flight hours
1,783 total · 1,458 in this make and model · 1,675 as pilot in command

Weather

Conditions
Visual (VMC) · Day
Wind
360° at 8 knots, gusting 12
Visibility
5 statute miles
Lowest ceiling
1,500 ft broken
Temperature
34 °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 N9786P · 1

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