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NTSB Report
March 16, 1992 · Mooney M20K · N231KF
St. Augustine, FL
Overview
Report Status
Probable Cause
Event Type
Accident
Date
March 16, 1992
Injury Outcomes
No injuries (4 uninjured)
Location
St. Augustine, FL
Aircraft
Mooney M20K
Tail Number
N231KF
Operator
Garofalo Joseph Jr
Injuries
None
Aircraft Damage
Substantial
NTSB Number
MIA92LA098
PLT STATED THAT WHILE IN CRUISE FLT AT 4,000 FEET THE ENGINE REDUCED TO IDLE POWER OVER A 30 SECOND PERIOD. MOVEMENT OF THE THROTTLE CONTROL HAD NO EFFECT ON ENGINE POWER. WHILE ATTEMPTING A FORCED LANDING AT AN AIRPORT THE AIRPORT COULD NOT BE REACHED AND THE AIRCRAFT WAS DITCHED IN A SWAMP. POST CRASH EXAMINATION OF THE ACFT INDICATED THE THROTTLE CABLE OUTER HOUSING HAD SEPARATED FROM THE THROTTLE CONTROL AT A POINT IT IS SWAGED. THIS ALLOWED THE INNER CONTROL CABLE TO FLEX AND NOT MOVE THE THROTTLE ARM. THE CAUSE OF THE SEPARATION COULD NOT BE DETERMINED. THE ENGINE WAS OPERATED AFTER THE ACCIDENT WITH NO EVIDENCE OF FAILURE OR MALFUNCTION.
NTSB Probable Cause
THE SEPARATION OF THE SWAGE BETWEEN THE THROTTLE OUTER HOUSING AND THROTTLE CABLE RESULTING IN LOSS OF THROTTLE CONTROL AND THE ENGINE REDUCING TO IDLE POWER.
Full Narrative
PLT STATED THAT WHILE IN CRUISE FLT AT 4,000 FEET THE ENGINE REDUCED TO IDLE POWER OVER A 30 SECOND PERIOD. MOVEMENT OF THE THROTTLE CONTROL HAD NO EFFECT ON ENGINE POWER. WHILE ATTEMPTING A FORCED LANDING AT AN AIRPORT THE AIRPORT COULD NOT BE REACHED AND THE AIRCRAFT WAS DITCHED IN A SWAMP. POST CRASH EXAMINATION OF THE ACFT INDICATED THE THROTTLE CABLE OUTER HOUSING HAD SEPARATED FROM THE THROTTLE CONTROL AT A POINT IT IS SWAGED. THIS ALLOWED THE INNER CONTROL CABLE TO FLEX AND NOT MOVE THE THROTTLE ARM. THE CAUSE OF THE SEPARATION COULD NOT BE DETERMINED. THE ENGINE WAS OPERATED AFTER THE ACCIDENT WITH NO EVIDENCE OF FAILURE OR MALFUNCTION.
Flight
Event TypeAccident
Event Time19:34 EST
Nearest Airport0nm N
Runway0
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftMooney M20K
Tail NumberN231KF
Aircraft CategoryAir
DamageSubstantial
OperatorGarofalo Joseph Jr
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · TSIO-360-GB1 · Reciprocating · 210
Seats4
People & Injuries
Injury SummaryNo injuries (4 uninjured)
Fatal0
Serious0
Minor0
Uninjured4
Total4
Crew 1Age 51 · Second Class
Conditions
ConditionsVMC
LightDark Night
WindCalm
Visibility10 sm
CeilingNone
Temperature / Dew Point57 / 48
Altimeter29.00 inHg
Observation Time00:55
Weather SourceWFAC