| Crash location | Unknown |
| Nearest city | San Ysidro, CA
32.552001°N, 117.043081°W |
| Tail number | N118A |
|---|---|
| Accident date | 22 Nov 1991 |
| Aircraft type | Speyer Avid Amphibian |
| Additional details: | None |
FAILURE OF THE PILOT/BUILDER TO FOLLOW THE MANUFACTURER'S RECOMMENDED AIRFRAME MODIFICATION PROCEDURE TO PREVENT THE INFLIGHT LOSS OF A FLAPERON DUE TO FLUTTER. CONTRIBUTING TO THE ACCIDENT WAS IN INFLIGHT SEPARATION OF THE WING WHEN THE DESIGN LIMITS OF THE AIRFRAME WERE EXCEEDED.