| Crash location | Unknown | 
| Nearest city | Bellevue, WA 47.610377°N, 122.200679°W | 
| Tail number | N8521Z | 
|---|---|
| Accident date | 12 Apr 1989 | 
| Aircraft type | Lake LA-4-200-EP | 
| Additional details: | None | 
LOSS OF ENGINE POWER FOR AN UNDETERMINED REASON AND FAILURE OF THE INSTRUCTOR PILOT (CFI) TO MAINTAIN CONTROL OF THE AIRCRAFT, WHICH RESULTED IN A STALL/SPIN.