| Crash location | Unknown |
| Nearest city | Soddy-Daisy, TN
35.235903°N, 85.190790°W |
| Tail number | N94496 |
|---|---|
| Accident date | 31 Mar 1990 |
| Aircraft type | Hiller UH-12D |
| Additional details: | None |
FATIGUE INDUCED FAILURE OF THE COLLECTIVE PITCH PUSH ROD (ADJUSTABLE) DURING FLIGHT, AND THE FAILURE OF THE PILOT TO PROVIDE ROUTINE MAINTENANCE. THE PILOT'S LACK OF EXPEREINCE AND HIS FAILURE TO OBTAIN REQUIRED TRAINING AND CERTIFICATION WERE FACTORS IN THE ACCIDENT.