| Crash location | Unknown |
| Nearest city | Jefferson, MD
39.362046°N, 77.531654°W |
| Tail number | N1094D |
|---|---|
| Accident date | 25 Sep 1990 |
| Aircraft type | Hughes 269C |
| Additional details: | None |
THE FAILURE OF THE TAIL ROTOR DRIVE TRANSMISSION SYSTEM DUE TO A WORN TAIL ROTOR SPLINED DRIVE SLEEVE, AND INADEQUATE MAINTENANCE AND/OR INSPECTION BY THE OPERATOR. CONTRIBUTING TO THE LOSS OF CONTROL WAS THE STUDENT PILOT'S FAILURE TO MAINTAIN ADEQUATE ROTOR RPM DUE TO INEXPERIENCE.