| Crash location | Unknown |
| Nearest city | Rocksprings, TX
30.015765°N, 100.205358°W |
| Tail number | N58228 |
|---|---|
| Accident date | 18 May 1989 |
| Aircraft type | Hughes 269C |
| Additional details: | None |
THE PILOT DIVERTED HIS ATTENTION FROM OPERATION OF THE HELICOPTER, FAILED TO MAINTIAN PROPER ROTOR RPM, AND FAILED TO MAINTAIN ALTITUDE (CLEARANCE) ABOVE THE GROUND, WHILE MANEUVERING AT LOW ALTITUDE. A CONTRIBUTING FACTOR WAS HIS IMPAIRMENT FROM USE OF A PRESCRIPTION DRUG (NORDIAZEPAM OR DIAZEPAM), WHICH WAS NOT COMPATIBLE WITH FLYING.