| Crash location | Unknown |
| Nearest city | Anatone, WA
46.134876°N, 117.132379°W |
| Tail number | N846D |
|---|---|
| Accident date | 12 May 1993 |
| Aircraft type | Kaman HH-43F |
| Additional details: | None |
FATIGUE FAILURE OF THE ROTOR TRANSMISSION DRIVE SYSTEM, RESULTING FROM THE IMPROPER CERTIFICATION/APPROVAL OF THE AIRCRAFT MODIFICATION BY THE FEDERAL AVIATION ADMINISTRATION.