Aviation Accident Summaries

Aviation Accident Summary CHI99LA106

GRAND LEDGE, MI, USA

Aircraft #1

N432W

Cessna 170B

Analysis

The instructor pilot stated that after take off from Runway 9 he reduced power to simulate a rough running engine. He reported that the student turned the airplane back to Runway 27 and landed. He said that during the roll out, a sudden and unexpected gust of wind from the south turned the aircraft to the left. The student said that the airplane impacted a snowbank off the south side of the runway and nosed over.

Factual Information

On March 8, 1999, at 1000 eastern standard time, a Cessna 170B, N432W, piloted by a private pilot receiving dual instruction from a certified flight instructor with an airline transport pilot rating, sustained substantial damage during a simulated emergency landing on Runway 27 (3,200' X 75' dry/asphalt), at Abrams Municipal Airport, Grand Ledge, Michigan. The instructor said that after take off from Runway 9, he reduced the throttle to simulate a loss of engine power and that the pilot turned back to land on Runway 27. The instructor stated that during the landing roll the airplane encountered a gust of wind that turned it 90 degrees to the runway. The airplane contacted a snowbank off the edge of the runway, and nosed over. The 14 CFR Part 91 instructional flight was not on a flight plan. Visual meteorological conditions prevailed at the time of the accident. The instructor reported one minor injury. The flight originated at approximately 0930 from Abrams Municipal Airport, Grand Ledge, Michigan. The instructor said in a written statement that he and the student completed three simulated emergency landings on Runway 9 at Abrams Municipal Airport and had started another takeoff. The instructor stated that at approximately 500 feet above ground level he reduced the throttle to simulate a rough running engine. The student pilot reported that on the landing roll after the gust of wind, he applied full right rudder. He stated that after he applied rudder, the instructor applied right rudder and right brake. The student said that the airplane hit a snowbank off the south edge of the runway and nosed over. In their written statements, both pilots state that they were at the controls at the time of the accident.

Probable Cause and Findings

the flight instructor's failure to successfully take remedial action to maintain directional control of the airplane during the landing roll out. Factors were the crosswinds and snowbank.

 

Source: NTSB Aviation Accident Database

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