DEN86LA072

NTSB accident investigation · Piper PA-18-150 · Afton, WY · February 1, 1986

Accident · Minor injuriesLimited investigationFinal report
Date
February 1, 1986, 15:45 local (22:45 UTC)
Place
Afton, WY
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N4238ZPiper PA-18-150
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19860201001959A
Case key
16917

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

On this page

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 engine powerManeuvering
Weather condition - carburetor icing conditionsFactor
Buzzing - performedPilot in commandCause
Aircraft handling - inattentivePilot in commandCause
Judgment - poorPilot in commandCause
In flight collision with terrain/waterManeuvering
Terrain condition - snow covered
Pull-up - delayedPilot in commandCause

Analysis

The plt stated he had descended to observe wildlife. When he attempted to add pwr he discovered the eng had quit. The plt indicated the acft wheel contacted the deep snow at a moderate rate of horizontal speed while he was trying to restart the eng.

Aircraft

Registration
N4238Z
Reported as
Piper PA-18-150
Category
Airplane
Serial number
18-8465
Airframe hours
3,800
Engine
Lycoming O-320-A2A, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Patrick M. Sellers
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · January 1, 1986 · 100 hours before
Departed
AFO · Afton, WY

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
38
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Invalid Medical for flight
Seat
Front
Flight hours
310 total · 200 in this make and model · 210 as pilot in command · 20 in the last 90 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
270° at 8 knots
Visibility
40 statute miles
Lowest ceiling
6,000 ft broken
Temperature
41 °F, dew point 28 °F
Altimeter
30.00 inHg
Observed at
RKS, 102 nm away

FAA reports on this event · 1

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