| Crash location | Unknown |
| Nearest city | Butte, MT
46.003815°N, 112.534745°W |
| Tail number | N7133Y |
|---|---|
| Accident date | 28 Mar 1991 |
| Aircraft type | Piper PA-30 |
| Additional details: | None |
INADEQUATE INFLIGHT DECISIONS, FUEL STARVATION, AND FAILURE TO PERFORM ALTERNATIVE IFR APPROACH PROCEDURES. FACTORS INCLUDE OPERATION WITH KNOWN DEFICIENCIES IN EQUIPMENT, DISORIENTATION, AND LACK OF FAMILIARITY WITH THE GEOGRAPHIC AREA.