SEA89LA019

NTSB accident investigation · Piper PA-18 · Idaho Falls, ID · November 17, 1988

Accident · Serious injuriesLimited investigationFinal report
Date
November 17, 1988, 02:30 local (09:30 UTC)
Place
Idaho Falls, ID
Injuries
1 serious
Damage
Destroyed
Phase of flight
Unknown
Aircraft
N1963PPiper PA-18
Weather
Instrument (IMC) · Night/dark
Status
Completed · report September 11, 1989
Report
Approved by Office Director
Case key
40957

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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Analysis

Plt reportedly stole acft and departed about midnight in snowstorm. For 3 hours he buzzed local residences vehicles until fuel exhaustion. Forced lndg made in rough field. Investigation revealed plt had long history of mental illness and had falsified medical certificate application data.

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 power(total) - nonmechanicalUnknown
Stolen aircraft/unauthorized useFactor
Other psychological conditionPilot in commandFactor
Fluid,fuel - exhaustionCause
In-flight planning/decision - improperPilot in commandCause
Procedures/directives - disregardedPilot in commandFactor
Forced landingDescent - emergency
In flight collision with terrain/waterLanding
Terrain condition - rough/unevenFactor
Light condition - dark nightFactor
Weather condition - obscurationFactor
Weather condition - snowFactor

Aircraft

Registration
N1963P
Reported as
Piper PA-18
Category
Airplane
Serial number
4180
Airframe hours
4,160
Engine
Lycoming O-320-A2A, 150 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Operator
Linden J. Butikofer, Inc.
Registered owner
Linden J. Butikofer
Airworthiness certificate
Standard, Normal
Last inspection
Annual · December 16, 1987 · 17 hours before
Departed
U11 · Rexburg, ID

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
39
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Front
Flight hours
2,200 total

Weather

Conditions
Instrument (IMC) · Night/dark
Wind
100° at 3 knots
Visibility
1 statute miles
Lowest ceiling
400 ft
Temperature
30 °F, dew point 30 °F
Altimeter
29.00 inHg
Observed at
IDA, 5 nm away