Cirrus SR-22 accident near Rock Hill, South Carolina, September 11, 2009

The NTSB's narrative final · quoted from the NTSB record

The pilot, who usually flew with a certificated flight instructor copilot, intended to practice takeoffs and landings in the high performance airplane. Information retrieved from the airplane's remote data module, a crash-hardened unit installed in the tail of the airplane intended to record flight, engine and autopilot parameters, indicated that the airplane accelerated and lifted off runway 2 normally. The airplane then made a slight right turn for about 35 seconds, which transitioned to a left turn. Approximately 9 seconds later, the roll attitude reached 46 degrees left wing down, and the airplane reached its maximum altitude of 1,241 feet mean sea level, about 575 feet above ground level. Over the next 20 seconds, the turn continued at about the same roll attitude (40-50 degrees left wing down), as the speed increased to 158 knots. Shortly thereafter, the airplane's pitch attitude began to decrease toward a peak of 10 degrees nose down, and the roll attitude began a sharp change toward the right, reaching about 70 degrees right wing down, by the end of the recorded data. The last recorded data points included a heading of 165 degrees, an engine rpm of 2,687, an indicated airspeed of 184 knots, and a vertical descent rate of 2,064 feet-per-minute. The stall warning parameter indicated “off” (not stalled) for the duration of the flight. The airplane initially impacted the ground about 100 feet below the top of a 20-degree slope, about 150 feet from a taxiway, and 255 feet right of the extended center line of runway 20. The airplane was destroyed by fire and impact forces. Fragments of the right wing tip were located near the initial impact point. A debris path, oriented on a 160-degree heading, extended for about 400 feet. The airplane had been operated for approximately 93 hours since new. Examination of the wreckage and recorded data did not reveal evidence of any preimpact mechanical malfunctions. At the time of the accident, the pilot had accumulated about 390 hours of total flight experience, all in the same make and model as the accident airplane. It was also noted that all logged flights in the accident airplane, with the exception of a 1.4 hour flight about two months prior to the accident, included a flight instructor onboard. The pilot had a history of attention deficit disorder and depression (both previously treated with medications) and of anxiety (for which he had previously been hospitalized and for which he had been prescribed a potentially impairing medication for use "as needed"). None of this information had been reported to the Federal Aviation Administration. The pilot was at risk (but had not been evaluated) for obstructive sleep apnea because of his history of snoring, obesity, and high blood pressure. It is possible that the pilot was experiencing symptoms of his unreported mental conditions, that he was fatigued due to undiagnosed obstructive sleep apnea, or that he had recently used an anti-anxiety medication at the time of the accident. While it is possible that impairment from one or more of those sources could have adversely impacted his performance during the accident sequence, the investigation was unable to determine the role that impairment may have played in the accident.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

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