NTSB Identification: DEN05LA112.
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Accident occurred Saturday, July 16, 2005 in Grand Junction, CO
Probable Cause Approval Date: 01/31/2006
Aircraft: Cessna 182Q, registration: N735AC
Injuries: 2 Serious.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
The instructor pilot said he was on short final when he encountered wind shear and turbulence. He initiated a go-around, failed to maintain control of the airplane, lost airspeed, stalled, and subsequently impacted terrain. According to the tower controller, the airplane was cleared to land on runway 11. While on short final, the airplane encountered a wind gust or downdraft, and the flight instructor reported to the controller he was initiating a go-around. Approximately 200 feet agl, the airplane entered an uncontrolled descent and impacted the runway surface. At 2032, the automated surface observing system (ASOS) reported the wind from 210 degrees at 9 knots, gusting to 37 knots. At 2027, ASOS reported a peak wind at 310 degrees at 37 knots. Cumulonimbus clouds, virga, and wind shear were reported in the area at the time of the accident
The National Transportation Safety Board determines the probable cause(s) of this accident to be: the pilot's failure to maintain aircraft control during aborted landing and failure to maintain airspeed, which resulted in an inadvertent stall. A contributing factor was the encounter with wind shear during final approach and landing. Full narrative available
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