SEA91FA262

NTSB accident investigation · Piper PA-18-150 · Dayville, OR · January 1, 1991

Accident · FatalField investigationFinal report
Date
January 1, 1991, 15:00 local (23:00 UTC)
Place
Dayville, OR
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N8982DPiper PA-18-150
Weather
Visual (VMC) · Day
Status
Completed · report June 10, 1993
Report
Approved by Office Director
FAA report
19910101002849A
Case key
41344

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 NTSB’s determination of the probable cause, and any contributing factors.

The pilot's poor in flight decision. Factors include mountainous/hilly terrain.

Analysis

The airplane departed the airfield at approximately 1300 mountain standard time on new years day. The next day his family, which expected him to return before dark on the day of departure, reported the aircraft missing. The unsuccessful search was suspended thirteen days later. Approximately 16 months after the crash, the aircraft was discovered by a timber cruiser in a dense old growth forest. The aircraft, which had burned, sustained substantial damage when it impacted a series of coniferous trees near the center of a steep sided box canyon, at the 5,000 foot level of a 7,000 foot mountain.

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
In-flight planning/decision - poorPilot in commandCause
Terrain condition - mountainous/hillyFactor

Aircraft

Registration
N8982D
Reported as
Piper PA-18-150
Category
Airplane
Serial number
18-6377
Engine
Lycoming O-320-A2A, 150 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Personal · Part 91
Operator
Welch, Steven S.
Registered owner
Welch, Steven S.
Airworthiness certificate
Standard, Normal
Last inspection
Annual · September 20, 1990
Departed
S33 · Madras, 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
36
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Expired
Flight hours
237 total · 110 in this make and model · 209 as pilot in command

Weather

Conditions
Visual (VMC) · Day
Wind
100° at 4 knots
Visibility
45 statute miles
Lowest ceiling
None
Temperature
43 °F, dew point 18 °F
Observed at
RDM, 70 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.

Other investigations on N8982D · 1

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