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Aviation Accident

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NTSB Identification: CEN15FA163
14 CFR Part 91: General Aviation
Accident occurred Saturday, March 07, 2015 in Pratt, KS
Probable Cause Approval Date: 04/14/2016
Aircraft: AHRENS GERD H RV 6, registration: N4074V
Injuries: 1 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

While landing on a grass airstrip, the airplane ran off the right side of the airstrip, nosed over, and then came to rest inverted. There were no witnesses to the accident. Ground scars on the airstrip were consistent with a hard landing. An examination of the airframe, landing gear, brakes, and related systems revealed no anomalies that would have precluded normal operation.
Acquaintances of the pilot reported that he had complained of depth perception problems and had been landing the airplane hard. The pilot was denied a medical certificate due to health concerns noted by the air medical examiner. Investigators were not able to determine the pilot’s recent flight experience. It is likely that the pilot landed the airplane hard and was unable to maintain directional control.


The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
  • A hard landing, which resulted in the pilot’s loss of directional control and the airplane’s subsequent nose-over.