SEA91LA145

NTSB accident investigation · Piper PA-18-150 · Corvallis, OR · June 10, 1991

Accident · Serious injuriesLimited investigationFinal report
Date
June 9, 1991, 18:30 local (Jun 10, 1991, 01:30 UTC)
Place
Corvallis, OR
Injuries
1 serious
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N3474ZPiper PA-18-150
Weather
Visual (VMC) · Dusk
Status
Completed · report February 8, 1993
Report
Approved by Office Director
FAA report
19910609025829A
Case key
41460

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 displayed poor in-flight planning. A factor to the accident was: the pilot did not maintain a proper altitude over mountainous terrain.

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
Terrain condition - mountainous/hilly
Proper altitude - not maintainedPilot in commandFactor
In-flight planning/decision - poorPilot in commandCause

Analysis

During a pleasure flight near mountainous terrain, the pilot reported that he got too close to the mountain and could not out climb the rising terrain. There were no reported mechanical failures or malfunctions with the airplane at the time of the accident.

Aircraft

Registration
N3474Z
Reported as
Piper PA-18-150
Category
Airplane
Serial number
18-7301
Engine
Lycoming O-320, 150 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Personal · Part 91
Operator
George G. Urbach
Registered owner
George G. Urbach
Departed
NONE · Alpine, OR

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
51
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Flight hours
1,250 total · 600 in this make and model · 20 in the last 90 days

Weather

Conditions
Visual (VMC) · Dusk
Wind
360° at 10 knots, gusting 12
Visibility
30 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 N3474Z · 1

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