Loss of control Accident Rans S-6S Coyote II Super Six N661PF, Wednesday 26 June 2019
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Date:Wednesday 26 June 2019
Time:10:30
Type:Silhouette image of generic COY2 model; specific model in this crash may look slightly different    
Rans S-6S Coyote II Super Six
Owner/operator:Private
Registration: N661PF
MSN: 09041607
Year of manufacture:2007
Total airframe hrs:161 hours
Engine model:Rotax 912
Fatalities:Fatalities: 2 / Occupants: 2
Other fatalities:0
Aircraft damage: Destroyed
Category:Accident
Location:near Six Oaks Airport (NC67), Fletcher, NC -   United States of America
Phase: Initial climb
Nature:Training
Departure airport:Six Oaks Airport, NC (NC67)
Destination airport:Six Oaks Airport, NC (NC67)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
On June 26, 2019, about 1030 eastern daylight time, an experimental, amateur-built Rans S-6S, N661PF, was destroyed when it impacted terrain near the Six Oaks Airport (NC67), Fletcher, North Carolina. The commercial pilot and flight instructor were fatally injured. The airplane was registered to and operated by PF Flyers Inc. under the provisions of Title 14 Code of Federal Regulations Part 91 as an instructional flight. Day visual meteorological conditions prevailed, and no flight plan was filed for the local flight.

The commercial pilot and flight instructor were conducting a flight review. The flight departed from a private grass field airport and maneuvered in the local area for about 20 minutes and then returned to the airport. They then departed again, and shortly after takeoff the airplane's climb rate rapidly increased, airspeed rapidly deteriorated, which was subsequently followed by a descent into terrain. Multiple witnesses described the airplane entering an aerodynamic stall and a subsequent fully developed spin, where the airplane impacted the ground in a nose low attitude.

Examination revealed no anomalies with the airframe or engine that would have precluded normal operation, and damage signatures and a witness account indicated that the engine was producing power at the time of the accident. Fuel observed in the carburetor bowls indicated that the engine was receiving fuel normally at the time of impact.

The investigation could not determine why airplane control was lost or who was the pilot flying during the flight's final takeoff and climb. Both pilots were certificated flight instructors, and each had logged several thousands of hours of flight time, however, the flight instructor had never flown the accident airplane, and the commercial pilot had logged under 5 hours of flight time in the accident airplane. It is likely that both pilot's inexperience in the accident airplane contributed to the loss of control at low altitude.

Although both pilots were at increased risk for a sudden cardiac event, there was no evidence on autopsy of such an event, therefore, it is unlikely either pilot's cardiovascular disease was a factor in the accident.

Probable Cause: The exceedance of the airplane's critical angle of attack during climb, which resulted in an aerodynamic stall and spin at low altitude. Contributing was the lack of experience both pilots possessed in the accident airplane.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ERA19FA200
Status: Investigation completed
Duration: 1 year and 4 months
Download report: Final report

Sources:

NTSB
https://data.ntsb.gov/Docket?ProjectID=99709

Location

Images:


Photo: NTSB

Revision history:

Date/timeContributorUpdates
26-Jun-2019 17:51 Captain Adam Added
26-Jun-2019 19:33 Iceman 29 Updated [Embed code, ]
26-Jun-2019 23:13 Geno Updated [Location, Source, Embed code, ]
27-Jun-2019 15:43 RobertMB Updated [Aircraft type, Registration, Cn, Nature, Source, Narrative, ]
27-Jun-2019 17:01 RobertMB Updated [Total fatalities, ]
05-Aug-2019 03:36 RobertMB Updated [Source, ]
27-Mar-2021 15:30 ASN Update Bot Updated [Time, Other fatalities, Nature, Departure airport, Destination airport, Source, Embed code, Narrative, Plane category, Category, Accident report, ]
27-Mar-2021 15:50 harro Updated [Other fatalities, Source, Embed code, Narrative, Photo, ]
30-Dec-2024 09:20 Captain Adam Updated [Time, Location, Departure airport, Destination airport, Source, Embed code, Narrative, ]

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