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NTSB Report
June 11, 1982 · Grumman G-164A · N6787Q
Egan, LA
Overview
Report Status
Preliminary report
Event Type
Accident
Date
June 11, 1982
Injury Outcomes
1 injury (1 serious injury)
Location
Egan, LA
Aircraft
Grumman G-164A
Tail Number
N6787Q
Operator
Mowata Flying Service
Injuries
Serious
Aircraft Damage
Destroyed
NTSB Number
FTW82FRD15
AS THE PLT WAS ADJUSTING THE POWERPLANT & PROP CONTROLS THE ENG ACCELERATED, & AT THE SAME TIME OIL COVERED THE WINDSHIELD. THE ACFT WENT DOWN INTO A BEAN FIELD & FLIPPED OVER. DISASSEMBLY OF THE ENG REVEALED THE REAR COUNTERWEIGHT TRAILING PIN WORN & GAULDED. THE SLEEVES IN BOTH THE REAR CRANKSHAFT & COUNTERWEIGHT WERE WORN & GAULDED. THE REAR COUNTERWEIGHT LEADING PIN ALSO SHOWED SIGNS OF WEAR & GAULDING SPOTS. ALL PROP BOLTS FAILED IN THE AREA OF THE HEAD.
Full Narrative
AS THE PLT WAS ADJUSTING THE POWERPLANT & PROP CONTROLS THE ENG ACCELERATED, & AT THE SAME TIME OIL COVERED THE WINDSHIELD. THE ACFT WENT DOWN INTO A BEAN FIELD & FLIPPED OVER. DISASSEMBLY OF THE ENG REVEALED THE REAR COUNTERWEIGHT TRAILING PIN WORN & GAULDED. THE SLEEVES IN BOTH THE REAR CRANKSHAFT & COUNTERWEIGHT WERE WORN & GAULDED. THE REAR COUNTERWEIGHT LEADING PIN ALSO SHOWED SIGNS OF WEAR & GAULDING SPOTS. ALL PROP BOLTS FAILED IN THE AREA OF THE HEAD.
Flight
Event TypeAccident
Event Time14:00 CDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireGrd
Aircraft ExplosionGrd
Aircraft
AircraftGrumman G-164A
Tail NumberN6787Q
Aircraft CategoryAir
DamageDestroyed
OperatorMowata Flying Service
Operating RulePart 137
Engines1
Engine TypeReciprocating
Engine DetailsPezatel · P2L-3S · Reciprocating · 450
Seats1
People & Injuries
Injury Summary1 injury (1 serious injury)
Fatal0
Serious1
Minor0
Uninjured0
Total1
Crew 1Age 35 · Second Class
Conditions
ConditionsVMC
LightDaylight
WindCalm
CeilingNone
Temperature / Dew Point0 C / 0 C
Altimeter0