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NTSB Report
September 21, 1984 · Cessna 152 · N65484
Orlando, FL
Overview
Report Status
Preliminary report
Event Type
Accident
Date
September 21, 1984
Injury Outcomes
No injuries (2 uninjured)
Location
Orlando, FL
Aircraft
Cessna 152
Tail Number
N65484
Injuries
None
Aircraft Damage
Substantial
NTSB Number
MIA84LA257
THE FLT EXPERIENCED ENG FAILURE AND MADE A FORCED LANDING IN A FIELD, SUBSTANTIALLY DAMAGING THE AIRCRAFT. POST CRASH EXAMINATION OF THE ENGINE REVEALED THE NUMBER THREE CONNECTING ROD SEPARATED FROM THE CRANKSHAFT WHEN THE CONNECTING ROD BOLTS FAILED. METALLURGICAL EXAMINATION OF THE BOLTS REVEALED THEY HAD BEEN SUBJECTED TO EXTREME HEAT CAUSING SOFTENING OF THE BOLT MATERIAL AND SUBSEQUENT FAILURE IN AN OVERSTRESS CONDITION. THE CONNECTING ROD WAS ALSO FOUND TO HAVE BEEN OVERHEATED IN THE AREA OF THE BEARING BETWEEN THE CONNECTING ROD AND CRANKSHAFT INDICATING FAILURE AND OVERHEATING OF THE BEARING.
Full Narrative
THE FLT EXPERIENCED ENG FAILURE AND MADE A FORCED LANDING IN A FIELD, SUBSTANTIALLY DAMAGING THE AIRCRAFT. POST CRASH EXAMINATION OF THE ENGINE REVEALED THE NUMBER THREE CONNECTING ROD SEPARATED FROM THE CRANKSHAFT WHEN THE CONNECTING ROD BOLTS FAILED. METALLURGICAL EXAMINATION OF THE BOLTS REVEALED THEY HAD BEEN SUBJECTED TO EXTREME HEAT CAUSING SOFTENING OF THE BOLT MATERIAL AND SUBSEQUENT FAILURE IN AN OVERSTRESS CONDITION. THE CONNECTING ROD WAS ALSO FOUND TO HAVE BEEN OVERHEATED IN THE AREA OF THE BEARING BETWEEN THE CONNECTING ROD AND CRANKSHAFT INDICATING FAILURE AND OVERHEATING OF THE BEARING.
Flight
Event TypeAccident
Event Time17:00 EDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledVFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 152
Tail NumberN65484
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-235-L2C · Reciprocating · 110
Seats2
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 56 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind70° @ 14 kt
Visibility15 sm
CeilingBroken clouds 3100 ft
Temperature / Dew Point68 F
Altimeter29.00 inHg
Observation Time20:48
Weather SourceWFAC