NTSB Identification: WPR11CA295
14 CFR Part 91: General Aviation
Accident occurred Monday, June 27, 2011 in Price, UT
Probable Cause Approval Date: 10/04/2011
Aircraft: CESSNA 172S, registration: N674SP
Injuries: 2 Uninjured.
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 pilot took off for a training flight to a dirt strip approximately 50 miles to the east. Upon landing at the strip the pilot decided to initiate a short/soft field take off down the 3,600-foot-long runway. The pilot reported that he took off with 20 degrees of flaps and was never able to get more than 10 feet off the runway surface area. At the end of the runway the pilot noticed two 3-4 foot high dirt berms. He pulled back on the yoke, missing the first berm, but the airplane settled back down and struck the second one. The resulting impact caused the aircraft to nose over and come to a rest inverted. The airplane's pilot operating handbook (POH) states that soft or rough field takeoffs should be performed with no more than 10 degrees of flaps. Furthermore the airport's density altitude at the time of the accident was calculated to be approximately 10,000 feet, which is 2,000 feet above the maximum altitude listed in the takeoff performance charts in the POH. The pilot reported no mechanical issues with the airplane that would have precluded normal operation.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: The pilot's decision to attempt a takeoff at a density altitude outside of the takeoff performance envelope of the aircraft along with using an aircraft flap setting higher than the manufacture's recommended setting for takeoff. Full narrative available
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