DEN90LA108

NTSB accident investigation · Piper PA-18-150 · Powderville, MT · May 10, 1990

Accident · No injuriesLimited investigationFinal report
Date
May 10, 1990, 09:00 local (15:00 UTC)
Place
Powderville, MT
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N62672Piper PA-18-150
Weather
Visual (VMC) · Day
Status
Completed · report September 21, 1992
Report
Approved by Office Director
FAA report
19900510015889A
Case key
17929

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

Pilot failed to maintain terrain clearance during descent on an aerial application swath run, resulting in an in flight collision with the terrain. That the pilot misjudged the pull up altitude is considered a contributing factor.

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 terrain/waterManeuvering - aerial application
Terrain condition - crop
Pull-up - misjudgedPilot in commandFactor
Clearance - not maintainedPilot in commandCause
Hard landingManeuvering - aerial application

Analysis

A private plt was performing an aerial application flight near his home. The plt said that the flight was on descent into a field for a spray pass. He said the entry was too steep and the plane struck the terrain. He reported that the left wheel struck first and damaged the strut and left wing.

Aircraft

Registration
N62672
Reported as
Piper PA-18-150
Category
Airplane
Serial number
18-7809104
Engine
Lycoming O-320-A2B, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 91
Operator
W.L. Ranch Co.
Registered owner
Charles W. Miles
Airworthiness certificate
Special, Restricted (Special)
Departed
NONE
Destination
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
36
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Flight hours
1,291 total · 1,271 in this make and model · 1,282 as pilot in command · 50 in the last 90 days · 20 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
50 statute miles
Lowest ceiling
None
Temperature
61 °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 N62672 · 2

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