SEA91LA096

NTSB accident investigation · Cessna 150J · Mulino, OR · May 1, 1991

Accident · No injuriesLimited investigationFinal report
Date
May 1, 1991, 16:00 local (23:00 UTC)
Place
Mulino, OR
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N50488Cessna 150J
Weather
Visual (VMC) · Day
Status
Completed · report February 8, 1993
Report
Approved by Office Director
FAA report
19910501014189A
Case key
41421

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's inadequate remedial action. Factors include nose-gear vibration.

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 control - on ground/waterTakeoff
Touch-and-go
Landing gear,nose gear - vibrationFactor
Remedial action - not performedPilot in commandCause
In flight collision with terrain/waterTakeoff

Analysis

The student pilot encoutered nosewheel shimmy during takeoff while doing touch-and-go landings. He lost control of the aircraft before it lifted off. The aircraft left the surface and collided with the terrain on the left side of the runway, sustaining substantial damage.

Aircraft

Registration
N50488
Reported as
Cessna 150J
Category
Airplane
Serial number
15069340
Engine
Continental O-200-A, 100 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Operator
Mulino Air Center
Registered owner
Mulino Air Center
Airport
4S9 · Portland Mulino, runway 32, 3,600 × 150 ft, asphalt

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
48
Certificate
Student
Medical
Class 3, Valid Medical--w/ waivers/lim
Flight hours
33 total · 33 in this make and model · 33 as pilot in command · 16 in the last 90 days · 15 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
340° at 8 knots, gusting 10
Visibility
10 statute miles
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.