Crash location | Unknown |
Nearest city | Perris, CA
33.782519°N, 117.228648°W |
Tail number | N9991F |
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Accident date | 30 Jun 1988 |
Aircraft type | Helio HST-550A |
Additional details: | None |
FAILURE OF THE ELECTRICAL STABILIZER TRIM CONTROL THAT RESULTED IN AN UNCOMMANDED FULL NOSE DOWN ELEVATOR TRIM COMMAND.