Loss of control Accident Zenair STOL CH 701 N4931M,
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ASN Wikibase Occurrence # 180426
 
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Date:Wednesday 14 October 2015
Time:14:45
Type:Silhouette image of generic CH70 model; specific model in this crash may look slightly different    
Zenair STOL CH 701
Owner/operator:Private
Registration: N4931M
MSN: 7-4931
Year of manufacture:2006
Total airframe hrs:738 hours
Engine model:Rotax 912UL
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:West of Weedon Field Airport (KEUF), Eufaula, AL -   United States of America
Phase: Take off
Nature:Private
Departure airport:Eufala, AL (EUF)
Destination airport:Hermann, MO (MU68)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The private pilot had purchased the airplane a day earlier and, while flying it back to his home airport, stopped at an en route airport to refuel. The pilot stated that, about midfield during the takeoff, the engine began to run roughly and vibrate, was not producing full power, and the flight controls “got mushy.” Shortly after the takeoff, at an altitude of 50 ft, the airplane veered to the left, impacted the ground, and nosed over. The pilot noted that the airplane took longer to take off due to a crosswind; however, weather recorded at the airport 13 minutes after the accident included calm winds. Postaccident examination of the airframe and engine revealed no evidence of any preexisting mechanical anomalies that would have precluded normal operation, and the reason for the loss of engine power could not be determined.


Probable Cause: A partial loss of engine power during takeoff for reasons that could not be determined, because postaccident examination revealed no evidence of any preimpact mechanical malfunctions or failures. Also causal was the pilot's decision to continue the takeoff following the loss of power.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ERA16LA014
Status: Investigation completed
Duration: 2 years and 3 months
Download report: Final report

Sources:

NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=4931M

Location

Revision history:

Date/timeContributorUpdates
15-Oct-2015 18:48 Geno Added
21-Dec-2016 19:30 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
07-Feb-2018 13:51 ASN Update Bot Updated [Nature, Departure airport, Destination airport, Source, Narrative]

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