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NTSB Report
September 11, 1990 · Grumman AA5B · N74242
Beachwood, OH
Overview
Report Status
Probable Cause
Event Type
Accident
Date
September 11, 1990
Injury Outcomes
1 injury (1 serious injury)
Location
Beachwood, OH
Aircraft
Grumman AA5B
Tail Number
N74242
Operator
Gary a Audet
Injuries
Serious
Aircraft Damage
Destroyed
NTSB Number
NYC90DEI02
THE AIRPLANE ENGINE FAILED AFTER ABOUT 20 MINUTES OF FLIGHT, AS THE AIRCRAFT APPROACHED THE DESTINATION AIRPORT. DURING THE RESULTANT FORCED LANDING ON A FOUR LANE HIGHWAY, THE LEFT WING STRUCK THE GROUND AND A MOVING AUTOMOBILE. THE AIRPLANE SKIDDED ACROSS THE ROADWAY, INTO A GUARDRAIL AND FLIPPED AROUND BEFORE IT CAME TO A REST. POST-IMPACT FIRE DESTROYED THE AIRPLANE AFT OF THE FIREWALL. THE ACCIDENT OCCURRED DURING THE AIRPLANE'S FIRST FLIGHT AFTER ENGINE OVERHAUL. ENGINE TEARDOWN REVEALED MASSIVE INTERNAL DISINTEGRATION. THE OVERHAUL WAS NOT PERFORMED BY A QUALIFIED PERSON AND WAS NOT PERFORMED IN ACCORDANCE WITH THE MANUFACTURER'S INSTRUCTIONS/GUIDANCE.
NTSB Probable Cause
THE ENGINE FAILURE DUE TO AN IMPROPER ENGINE OVERHAUL PERFORMED BY UNQUALIFIED PERSONS. THE UNSUITABLE TERRAIN WAS A FACTOR.
Full Narrative
THE AIRPLANE ENGINE FAILED AFTER ABOUT 20 MINUTES OF FLIGHT, AS THE AIRCRAFT APPROACHED THE DESTINATION AIRPORT. DURING THE RESULTANT FORCED LANDING ON A FOUR LANE HIGHWAY, THE LEFT WING STRUCK THE GROUND AND A MOVING AUTOMOBILE. THE AIRPLANE SKIDDED ACROSS THE ROADWAY, INTO A GUARDRAIL AND FLIPPED AROUND BEFORE IT CAME TO A REST. POST-IMPACT FIRE DESTROYED THE AIRPLANE AFT OF THE FIREWALL. THE ACCIDENT OCCURRED DURING THE AIRPLANE'S FIRST FLIGHT AFTER ENGINE OVERHAUL. ENGINE TEARDOWN REVEALED MASSIVE INTERNAL DISINTEGRATION. THE OVERHAUL WAS NOT PERFORMED BY A QUALIFIED PERSON AND WAS NOT PERFORMED IN ACCORDANCE WITH THE MANUFACTURER'S INSTRUCTIONS/GUIDANCE.
Flight
Event TypeAccident
Event Time15:20 EDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireGrd
Aircraft ExplosionGrd
Aircraft
AircraftGrumman AA5B
Tail NumberN74242
Aircraft CategoryAir
DamageDestroyed
OperatorGary a Audet
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-360 · Reciprocating · 180
Seats4
People & Injuries
Injury Summary1 injury (1 serious injury)
Fatal0
Serious1
Minor0
Uninjured0
Total1
Crew 1Age 44 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind350° @ 8 kt
CeilingNone
Temperature / Dew Point0 C
Altimeter30.00 inHg
Observation Time21:51
Weather SourceWIT