| Crash location | Unknown |
| Nearest city | Frenchtown, NJ
40.526214°N, 75.061560°W |
| Tail number | N6894Y |
|---|---|
| Accident date | 21 Dec 1989 |
| Aircraft type | Piper PA-60-602P |
| Additional details: | None |
THE INADEQUATE MAINTENANCE AND INSPECTION OF THE TURBOCHARGER TAILPIPE EXHAUST STACK ON THE RIGHT ENGINE BY THE MECHANIC(S). THE FAILURE OF THE TAILPIPE PERMITTED HEAT FROM THE EXHAUST TO WEAKEN THE MAIN SPAR OF THE RIGHT WING RESULTING IN A CATASTROPHIC FAILURE.