| Crash location | Unknown |
| Nearest city | Quincy, IL
39.933657°N, 91.388761°W |
| Tail number | N8498W |
|---|---|
| Accident date | 07 Jul 1991 |
| Aircraft type | Piper PA-28-180 |
| Additional details: | None |
THE PILOT'S FAILURE TO MAINTAIN CLEARANCE AND FAILURE TO MAINTAIN AIRCRAFT CONTROL AFTER COLLISION. FACTORS IN THE ACCIDENT WERE THE PILOT'S ATTEMPT TO FLY FORMATION, AND INADEQUATE GROUP BRIEFING BY THE PILOT OF THE OTHER AIRPLANE, AND THE PILOT'S LACK OF EXPERIENCE.