ASN Wikibase Occurrence # 361532
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| Date: | Friday 6 August 1993 |
| Time: | 18:40 LT |
| Type: | Aero Falcon Intl., Inc. KNIGHT FALCON |
| Owner/operator: | Aero Falcon Intl., Inc. |
| Registration: | N502AF |
| MSN: | 600501 |
| Total airframe hrs: | 6 hours |
| Engine model: | ROTAX 503 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Mineral Wells, TX -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Unknown |
| Departure airport: | (KMWL) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE EXPERIMENTAL PROTOTYPE, PILOT OPTIONAL, AIRPLANE WAS DEPARTING ON A TEST/ORIENTATION FLIGHT AFTER THE FIRST FLIGHT OF THE DAY HAD BEEN DELAYED DUE TO AUTOPILOT MALFUNCTIONS AND INTERRUPTED DUE TO ELECTRICAL MALFUNCTIONS. AFTER MAINTENANCE WAS PERFORMED, THE FLIGHT TOOK OFF INTO A RIGHT CROSS WIND OF BETWEEN 5 AND 20 KNOTS. THE PILOT SAID THAT AT ABOUT 50 FEET AGL, THE AIRPLANE ENTERED AN UNCOMMANDED RIGHT YAW AND ROLL THAT HE WAS UNABLE TO CORRECT. HE SAID THAT THE YAW AND ROLL INCREASED IN SEVERITY UNTIL THE AIRPLANE IMPACTED THE GROUND AFTER THREE 360 DEGREE TURNS. THE PILOT REPORTED THAT THE FLIGHT CONTROL MALFUNCTION WAS A RESULT OF A RUDDER HARD OVER, SIMILAR TO THE ONE THAT HAD BEEN EXPERIENCED DURING THE GROUND CHECKS PRIOR TO THE FIRST FLIGHT.
Probable Cause: FAILURE OF THE AUTOPILOT WHICH RESULTED IN AN IMPROPER FLIGHT CONTROL CONDITION. A FACTOR WAS THE PILOT'S INABILITY TO REGAIN CONTROL.
Accident investigation:
 |
|
Sources:
NTSB FTW93LA233
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Mar-2024 19:28 | ASN Update Bot | Added |
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