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NTSB Report

September 10, 1983 · Clarks Pitt Special S1S · N2050

Manvel, TX

Overview

Report Status

Preliminary report

Event Type

Accident

Date

September 10, 1983

Injury Outcomes

No injuries (2 uninjured)

Location

Manvel, TX

Aircraft

Clarks Pitt Special S1S

Tail Number

N2050

Injuries

None

Aircraft Damage

Substantial

NTSB Number

FTW83LA444

THE ACFT BUFFETTED ABNORMALLY DURING AN AEROBATIC MANEUVER SO THE PLT RELAXED THE 'G' LOADING ON THE AIRFRAME. THE PLT NOTED A CONCAVE DEFORMITY IN THE BOTTOM OF THE LEFT UPPER WING. LEVEL FLT WAS ACHIEVED TO TEST THE FLT CHARACTERISTICS OF THE ACFT. FLT CONTROL SEEMED 'NEARLY NORMAL' SO A NORMAL LANDING WAS MADE. POST LANDING INVESTIGATION REVEALED SIX BROKEN RIBS IN THE LEFT UPPER WING.

Full Narrative

THE ACFT BUFFETTED ABNORMALLY DURING AN AEROBATIC MANEUVER SO THE PLT RELAXED THE 'G' LOADING ON THE AIRFRAME. THE PLT NOTED A CONCAVE DEFORMITY IN THE BOTTOM OF THE LEFT UPPER WING. LEVEL FLT WAS ACHIEVED TO TEST THE FLT CHARACTERISTICS OF THE ACFT. FLT CONTROL SEEMED 'NEARLY NORMAL' SO A NORMAL LANDING WAS MADE. POST LANDING INVESTIGATION REVEALED SIX BROKEN RIBS IN THE LEFT UPPER WING.

Flight

Event TypeAccident

Event Time16:00 CDT

Nearest AirportWOLFE (0nm N)

Runway0

Flight Plan FiledNone

Aircraft FireNo

Aircraft ExplosionNo

Aircraft

AircraftClarks Pitt Special S1S

Tail NumberN2050

Aircraft CategoryAir

DamageSubstantial

Operating RulePart 91

Engines1

Engine TypeReciprocating

Engine DetailsLycoming · IO-360 · Reciprocating · 200

Seats1

People & Injuries

Injury SummaryNo injuries (2 uninjured)

Fatal0

Serious0

Minor0

Uninjured2

Total2

Crew 1Age 54 · Second Class

Conditions

ConditionsVMC

LightDaylight

WindCalm

Visibility10 sm

CeilingNone

Temperature / Dew Point0 C

Altimeter0

Weather SourcePILO

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September 10, 1983 · Clarks Pitt Special S1S · N2050

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Full Narrative