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NTSB Report
March 22, 1984 · Cessna 188B · N9541J
Lake Village, AR
Overview
Report Status
Preliminary report
Event Type
Accident
Date
March 22, 1984
Injury Outcomes
No injuries (1 uninjured)
Location
Lake Village, AR
Aircraft
Cessna 188B
Tail Number
N9541J
Injuries
None
Aircraft Damage
Substantial
NTSB Number
MKC84LA109
AS THE ACFT BEGAN TO ROTATE DURING TAKEOFF ONE PROPELLER BLADE WAS THROWN 1000 FT BEHIND THE ACFT. THE REMAINING BLADE AND HUB BECAME UNBALANCED, TWISTING THE ENGINE AT A 45 DEGREE ANGLE. PLT SHUT DOWN THE ENGINE. ACFT TRAVELED OFF THE LEFT SIDE OF THE RWY AND CARTWHEELED. INSPECTION REVEALED PROPELLER BLADE BROKE APRX 2 INCHES OUTBOARD OF THE HUB. METALLURGICAL TESTS REVEALED NUMEROUS FATIGUE ORIGANS ON BOTH THE BLADE BUTT ENDS AT ITS SEPARATION POINTS AND IN THE PROPELLER ATTACHMENT ON THE FACE OF THE HUB. THE PROPELLER BLADE MOUNTING WHICH ATTACHES TO THE ENGINE HAD BROKEN OUT BETWEEN TWO STUD HOLES. THIS AREA SHOWS FATIGUE AS WELL AS DEFORMATION OF THE MOUNTING SURFACE.
Full Narrative
AS THE ACFT BEGAN TO ROTATE DURING TAKEOFF ONE PROPELLER BLADE WAS THROWN 1000 FT BEHIND THE ACFT. THE REMAINING BLADE AND HUB BECAME UNBALANCED, TWISTING THE ENGINE AT A 45 DEGREE ANGLE. PLT SHUT DOWN THE ENGINE. ACFT TRAVELED OFF THE LEFT SIDE OF THE RWY AND CARTWHEELED. INSPECTION REVEALED PROPELLER BLADE BROKE APRX 2 INCHES OUTBOARD OF THE HUB. METALLURGICAL TESTS REVEALED NUMEROUS FATIGUE ORIGANS ON BOTH THE BLADE BUTT ENDS AT ITS SEPARATION POINTS AND IN THE PROPELLER ATTACHMENT ON THE FACE OF THE HUB. THE PROPELLER BLADE MOUNTING WHICH ATTACHES TO THE ENGINE HAD BROKEN OUT BETWEEN TWO STUD HOLES. THIS AREA SHOWS FATIGUE AS WELL AS DEFORMATION OF THE MOUNTING SURFACE.
Flight
Event TypeAccident
Event Time15:45 CST
Nearest Airport0nm N
Runway18
Runway Length2600 ft
Flight Plan FiledNone
Aircraft FireGrd
Aircraft ExplosionNo
Aircraft
AircraftCessna 188B
Tail NumberN9541J
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 137
Engines1
Engine TypeReciprocating
Engine DetailsContinental · IO-520-D · Reciprocating · 300
Seats1
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 29 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind90° @ 8 kt
Visibility15 sm
CeilingNone
Temperature / Dew Point0 C / 0 C
Altimeter0