Billings, MT, USA
N562H
CESSNA T206H
The private pilot reported that, just after landing, the airplane began to veer left and exited the side of the runway. Postaccident examination of the airplane revealed that the nose landing gear fork and the right main landing gear strut were fractured in a manner consistent with overload. Examination of the damage to the airplane revealed that the main landing gear attachment points sustained upward crushing and the tail was bent downward; damage consistent with a hard landing. Control continuity was established, and no anomalies were revealed that would have precluded normal operation. Recorded wind information for the time of the accident indicated a 50- to 60-degree crosswind at 8 knots with gusts to 19 knots for the selected runway. Shortly before the airplane landed, a general wind shear warning was broadcast on the airport's tower control frequency. Wind shear was present in the area at altitudes below 2,000 ft above ground level (agl), and review of weather information valid at the time of the accident indicated several areas of clear air turbulence extending from the surface through 14,000 ft agl. Given the damage to the airplane, the surface wind profile, and upper level winds over the terrain, the accident flight likely encountered gusting wind conditions and low-level wind shear while landing. The airplane landed hard, damaging the landing gear, which resulted in the pilot's subsequent inability to maintain directional control.
On February 8, 2016, about 1131 mountain standard time, a Cessna T206H, N562H, veered off of the runway after landing at Billings Logan International Airport (BIL), Billings, Montana. The pilot, sole occupant, sustained minor injuries and the airplane sustained substantial damage throughout. The airplane was registered to, and operated by, the pilot under the provisions of 14 Code of Federal Regulations Part 91 as a personal flight. Visual meteorological conditions prevailed, and no flight plan was filed. The flight originated from Red Reflect Ranch Airport (WY00), Ten Sleep, Wyoming at 1030. The pilot reported that the airplane touched down very smoothly. Shortly thereafter, it started to veer to the left with no lateral control. The airplane veered 90 degrees and went off the side of the runway. Postaccident examination by a Federal Aviation Administration Inspector revealed heavy damage to the airplane. The windscreen was partially separated. The fuselage at the main landing gear attachment points sustained upward crushing, and the nose wheel fork was fractured. The right wheel strut was fracture separated about three inches from the wheel assembly and the wheel separated from the airplane. The fracture surface was visually inspected and was consistent with overload. The outboard about four feet of the right wing was bent upward, and the fuselage just aft of the rear window was bent downward. Overall, there were no anomalies noted with the airplane that would have precluded normal operations. Review of the Billings Air Traffic Control Tower recordings revealed that shortly before the pilot landed a general wind shear warning was broadcasted on the frequency. BIL was the closest official weather station. At 1153 the automated surface observing system (ASOS) reported wind from 220 degrees at 8 knots with gusts to 19 knots, 10 miles visibility, few clouds at 8,500 feet agl, scattered clouds at 20,000 feet agl, temperature 9 degrees C, dew point -6 degrees C, and an altimeter setting of 30.38 inches of mercury. The one-minute BIL ASOS surface data was provided by the National Weather Surface. At 1131, BIL reported the two-minute average wind from 222 degrees at 12 knots and a five-second maximum average wind from 233 Degrees at 17 knots. In addition, the complete Rawinsonde Observation program reported low-level wind shear in the lowest 2,000 feet agl. Several layers of possible clear-air turbulence were identified from the surface through 14,000 feet.
The pilot’s failure to attain a proper flare during landing in gusting wind conditions and low-level wind shear, which resulted in a hard landing and a subsequent loss of directional control.
Source: NTSB Aviation Accident Database
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