Primary finding
Probable cause
The collapse of the nose landing gear after it contacted soft terrain during the landing roll.
Investigator assessment
Analysis narrative
The pilot was landing on a grass runway when the nose landing gear encountered soft terrain and collapsed during the landing roll. The airplane came to rest in a nose down attitude with substantial damage to the engine mount. The pilot reported that the grass runway was softer than he anticipated, and that the airplane had no preimpact mechanical malfunctions or failures that would have precluded normal operation.