Accident Mooney M20K N231KF,
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ASN Wikibase Occurrence # 363940
 
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Date:Sunday 15 March 1992
Time:21:34 LT
Type:Silhouette image of generic M20T model; specific model in this crash may look slightly different    
Mooney M20K
Owner/operator:Private
Registration: N231KF
MSN: 25-0052
Total airframe hrs:1553 hours
Engine model:CONTINENTAL TSIO-360-GB1
Fatalities:Fatalities: 0 / Occupants: 4
Aircraft damage: Substantial
Category:Accident
Location:St. Augustine, FL -   United States of America
Phase: En route
Nature:Private
Departure airport:Kinston, NC (KISO)
Destination airport:Kissimmee, FL (KISM)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
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.

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.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: MIA92LA098
Status: Investigation completed
Duration: 1 year and 5 months
Download report: Final report

Sources:

NTSB MIA92LA098

Location

Revision history:

Date/timeContributorUpdates
19-Mar-2024 07:42 ASN Update Bot Added

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