ANC89LA163

NTSB accident investigation · Piper PA-18 · Wood River, AK · September 11, 1989

Accident · No injuriesLimited investigationFinal report
Date
September 10, 1989, 18:30 local (Sep 11, 1989, 02:30 UTC)
Place
Wood River, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N4099EPiper PA-18
Weather
Visual (VMC) · Day
Status
Completed · report June 18, 1990
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19890910034499A
Case key
5258

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

On this page

Probable cause

Innadequate preflight planning/preparation by the pilot. The wind conditions, high density altitude and trees were contributing factors.

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 - initial climb
Preflight planning/preparation - inadequatePilot in commandCause
Weather condition - unfavorable windFactor
Weather condition - high windFactor
Weather condition - gustsFactor
Weather condition - high density altitudeFactor
Object - tree(s)Factor
Proper climb rate - not possible
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The pilot said he was taking off from a 900' strip which had an elevation of 2000'. He stated that during the initial climb, the airplane encountered a strong gust and would not out-climb the treetops. Subsequently, the left wing hit a tree and the airplane crashed about 60' beyond the end of the runway. The wind was reported to be variable at 20 gusting 40 KTS.

Aircraft

Registration
N4099E
Reported as
Piper PA-18
Category
Airplane
Serial number
18-7809066
Airframe hours
1,904
Engine
Lycoming O-320-A2B, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Laverne, Bates
Airworthiness certificate
Standard, Normal
Last inspection
Annual · July 27, 1989 · 46 hours before
Airport
Hunting Strip

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
54
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Flight hours
4,000 total · 1,900 in this make and model · 3,900 as pilot in command · 40 in the last 90 days · 15 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
Variable at 20 knots, gusting 40
Visibility
75 statute miles
Lowest ceiling
None
Temperature
61 °F, dew point 41 °F

FAA reports on this event · 1

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