ATL03LA151

NTSB accident investigation · Sheppard S-2 · Obion, TN · September 30, 2003

Accident · Serious injuriesLimited investigationFinal report
Date
September 30, 2003, 17:00 local (22:00 UTC)
Place
Obion, TN
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N39SSheppard S-2
Weather
Visual (VMC) · Day
Status
Completed · report June 28, 2006
Report
Approved by Office Director
Parties
Memphis FSDO
FAA report
20030930037509A
Case key
58113

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 failure of the elevator control pushrod, that resulted in an uncontrolled descent and subsequent in-flight collision with ground.

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.

Airframe/component/system failure/malfunctionClimb - to cruise
Flt control syst,elevator control cable/rod - failure,totalCause
Loss of control - in flightClimb - to cruise
Aircraft control - not possible
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - ground

Analysis

According to the pilot, while practicing steep turns at 2500 feet, elevator control was lost. The airplane began an uncontrolled descent, and collided with the ground. Examination of the airplane revealed that the elevator control pushrod was broken. Review of the maintenance records revealed that the 1977 Sheppard S-2 airplane had accumulated a total of 1184 total airframe hours. No record of the time in service was recovered for the failed component. Efforts to obtain information from the pilot was not successful.

Factual narrative

On September 30, 2003, at 1700 central daylight time, a Sheppard S-2, N39S, registered to and operated by a private pilot, lost control in-flight and collided with the ground in Obion County, Tennessee. The personal flight was operated under the provisions of Title 14 Part 91. Visual meteorological conditions prevailed at the time of the accident. The airplane sustained substantial damage, and the pilot received serious injuries. The flight departed Union City, Tennessee, on September 30, 2003, at 1645.

According to the pilot, while practicing steep turns at 2500 feet, elevator control was lost. The airplane began an uncontrolled descent, and collided with the ground. Examination of the airplane revealed that the elevator control pushrod was broken. Review of the maintenance records revealed that the 1977 Sheppard S-2 airplane had accumulated a total of 1184 total airframe hours. No record of the time in service was recovered for the failed component. Efforts to recover information from the pilot failed.

Aircraft

Registration
N39S
Reported as
Sheppard S-2
Category
Airplane, amateur-built
Serial number
GS-2
Airframe hours
1,184
Engine
Lycoming OV-360, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Griffin Neil A
Airworthiness certificate
Special, Experimental (Special)
Departed
Obion, TN
Destination
Obion, TN
Airport
UCY · Everett-Stewart

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
49
Injuries
Serious
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Front
Flight hours
125 total · 52 in this make and model · 52 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
0° at 0 knots
Visibility
8 statute miles
Lowest ceiling
7,000 ft overcast
Temperature
66 °F, dew point 43 °F
Altimeter
30.27 inHg
Observed at
DYR

FAA reports on this event · 1

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