Accident Piper PA-46-500TP N665KC, Wednesday 13 March 2013
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Date:Wednesday 13 March 2013
Time:09:40 LT
Type:Silhouette image of generic P46T model; specific model in this crash may look slightly different    
Piper PA-46-500TP
Owner/operator:N665kc LLC
Registration: N665KC
MSN: 4697265
Year of manufacture:2006
Total airframe hrs:725 hours
Engine model:P&W Canada PT6A-42A
Fatalities:Fatalities: 0 / Occupants: 3
Other fatalities:0
Aircraft damage: Substantial
Category:Accident
Location:Brenham, Texas -   United States of America
Phase: Approach
Nature:Training
Departure airport:Houston-West Houston Airport, TX (IWS/KIWS)
Destination airport:Brenham, TX (11R)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The flight instructor reported that the purpose of the flight was to practice engine failure procedures and power-off approaches. The accident occurred during the third approach of the flight as he was demonstrating the power-off approach technique. He noted that he had climbed to 3,500 feet, reduced engine power, and began a spiral over the airport to enter the left traffic pattern to the runway. During final approach, the airplane started descending at a higher rate. The flight instructor stated that he attempted to increase engine power but that he did not "hear or feel an indication of [engine] power increasing." The airplane subsequently impacted terrain about 165 feet short of the runway. Flight and engine data recovered from the avionics were consistent with a power-off approach. The engine gas generator speed, torque, interturbine temperature, and oil pressure parameters were stable at the end of the recorded data and were consistent to the same parameters recorded during the initial power-off approach. A postaccident examination of the airframe and engine did not reveal any anomalies consistent with an inability to obtain engine power. Functional testing and subsequent teardown examinations of the fuel pump, fuel control unit, and fuel oil heat exchanger also did not reveal any anomalies that would have precluded normal operation. Variations from standard production component settings were consistent with field adjustments.

Probable Cause: A lack of available engine power during an attempted go-around for reasons that could not be determined because the postaccident engine examinations did not reveal any anomalies consistent with an inability to produce rated power.

Accident investigation:
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Investigating agency: NTSB
Report number: CEN13LA195
Status: Investigation completed
Duration: 1 year and 4 months
Download report: Final report

Sources:

NTSB CEN13LA195

Location

Revision history:

Date/timeContributorUpdates
06-Oct-2022 11:32 ASN Update Bot Added

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