Thursday, August 31, 2017

Cessna 172G, N2982U, Belle Fourche Aero LLC: Accident occurred August 30, 2017 at Belle Fourche Municipal Airport (KEFC), Butte County, South Dakota

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Rapid City, South Dakota

Aviation Accident Factual Report - National Transportation Safety Board: https://app.ntsb.gov/pdf

Investigation Docket  - National Transportation Safety Board: https://dms.ntsb.gov/pubdms

Belle Fourche Aero LLC: http://registry.faa.gov/N2982U

NTSB Identification: GAA17CA513
14 CFR Part 91: General Aviation
Accident occurred Wednesday, August 30, 2017 in Belle Fourche, SD
Aircraft: CESSNA 172, registration: N2982U
Injuries: 2 Minor.

NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.

The flight instructor reported that, he was demonstrating a "full [aerodynamic] stall" landing for the student pilot in "stiff" gusting crosswind conditions. He added that, the airplane crossed the runway threshold at two feet, the stall warning sounded, and then a "strong [wind] gust lifted the aircraft to appx [approximately] 6 feet with the stall warning still sounding." He further added that, he immediately applied power to go-around, but the "gust died out." Subsequently, the left wing dropped, impacted terrain, and the airplane nosed over.

The fuselage, right wing, and vertical stabilizer sustained substantial damage. 

The flight instructor did not report that there were any preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.

An automated weather observation station, about the time of the accident, 17 nautical miles southwest from the accident site, reported wind from 110° at 12 knots. The landing was on runway 36.

The flight instructor failed to submit the NTSB Form 6120.1 Pilot/ Operator Aircraft Accident/ Incident Report.

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