| Crash location | Unknown |
| Nearest city | Gainesville, FL
29.651634°N, 82.324826°W |
| Tail number | N931JL |
|---|---|
| Accident date | 21 Sep 1991 |
| Aircraft type | John H. Logan Loganair I |
| Additional details: | None |
THE NON-INSTRUMENT RATED PILOT IN COMMAND'S DECISION TO DEPART UNDER SPECIAL VISUAL FLIGHT RULE CLEARANCE IN INSTRUMENT FLIGHT RULES CONDITIONS DURING DARKNESS WITH A FAILED VACUUM PUMP AND RESULTING INOPERATIVE FLIGHT INSTRUMENTS WHICH RESULTED IN AN INFLIGHT LOSS OF CONTROL DUE TO SPATIAL DISORIENTATION.