NTSB Identification: CHI07CA004.
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Accident occurred Sunday, October 08, 2006 in St Charles, MO
Probable Cause Approval Date: 11/29/2007
Aircraft: Cessna 172N, registration: N4775D
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 airplane was substantially damaged when it impacted the runway during landing. The pilot reported that he entered a right downwind for runway 27. Upon turning final, he realized that the airplane was high. He corrected by increasing the flap setting to 30 degrees and reducing power in order to descend "a little quicker." He stated, "As I came over the threshold, I realized I was coming down too fast, but still felt I was OK. In the last seconds, I realized I was in trouble. The force with which we hit the runway was much harder than I expected." The airplane bounced upon contact with the runway. The pilot noted, "I thought it would bounce and then settle down. When it porpoised, I failed to take action to correct it, resulting in the wreck."
The National Transportation Safety Board determines the probable cause(s) of this accident to be: The pilot's failure to properly judge the landing flare and his inadequate recovery from the resulting bounced landing. A contributing factor was the inadvertent pilot induced oscillation (porpoise) after initial runway contact. Full narrative available
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