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Aviation Accident

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NTSB Identification: WPR14CA047
14 CFR Part 91: General Aviation
Accident occurred Saturday, November 09, 2013 in LaGrange, WY
Probable Cause Approval Date: 02/04/2014
Aircraft: AVIAT AIRCRAFT INC A 1B, registration: N510MA
Injuries: 1 Minor.

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 reported that after touchdown on the grass/sod airstrip, the landing roll was normal for about 100 feet, but then the airplane came to an abrupt stop, like it had hit something. The airplane nosed over substantially damaging the rudder and wings.

The pilot and ranch personnel inspected the landing area and followed the airplane's tracks back toward the point of touchdown. They found a large hole, likely dug by an animal, approximately 24" deep, and in line with the airplane's right tire track. The pilot said he did not see the hole when flying downwind, nor on the base leg, or final approach.

The pilot reported no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation.

The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
  • The pilot's decision to land on a rough surface with hidden obstructions (holes).