| Crash location | Unknown |
| Nearest city | Muskogee, OK
35.747877°N, 95.369691°W |
| Tail number | N421H |
|---|---|
| Accident date | 05 Jan 1991 |
| Aircraft type | Cessna 421B |
| Additional details: | None |
THE PILOT'S FAILURE TO MAINTAIN CONTROL OF THE AIRCRAFT, DUE TO SPATIAL DISORIENTATION. FACTORS RELATED TO THE ACCIDENT WERE: DARKNESS, ADVERSE WEATHER CONDITIONS, AND THE PILOT'S PHYSICAL IMPAIRMENT FROM THE CHRONIC SINUS INFECTION.