SEA91LA132

NTSB accident investigation · Duffy Smith Mini Plane · Ogden, UT · June 15, 1991

Accident · Minor injuriesLimited investigationFinal report
Date
June 15, 1991, 11:47 local (17:47 UTC)
Place
Ogden, UT
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N27JDDuffy Smith Mini Plane
Weather
Visual (VMC) · Day
Status
Completed · report April 8, 1993
Report
Approved by Office Director
FAA report
19910615021959A
Case key
41450

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

A premature liftoff and subsequent stall.

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 - in flightTakeoff - initial climb
Lift-off - prematurePilot in commandCause
Stall - inadvertentPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The acft drifted toward the side of the runway during takeoff roll and the pilot initiated a takeoff at a low airspeed in a nose high attitude. He attempted to abort the takeoff at a low altitude. The acft impacted the ground beside the rwy in a right bank, nose low attitude and cartwheeled.

Aircraft

Registration
N27JD
Reported as
Duffy Smith Mini Plane (SMITH MINI)
Category
Airplane, amateur-built
Serial number
1
Engine
Lycoming O-290-D, 125 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
James W. Duffy
Registered owner
James W. Duffy
Airworthiness certificate
Special, Experimental (Special)
Airport
OGD · Ogden, runway 16, 5,352 × 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
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Flight hours
441 total · 420 as pilot in command

Weather

Conditions
Visual (VMC) · Day
Wind
180° at 3 knots
Visibility
50 statute miles
Lowest ceiling
None
Temperature
70 °F, dew point 30 °F
Altimeter
30.00 inHg

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.