ASN Wikibase Occurrence # 43583
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| Date: | Sunday 14 September 2008 |
| Time: | 09:07 |
| Type: |  American Champion 7GCBC |
| Owner/operator: | Private |
| Registration: | N571JH |
| MSN: | 1412-2006 |
| Total airframe hrs: | 22 hours |
| Engine model: | Lycoming O-320-B2B |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Wichita Falls, TX -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | Wichita Falls, TX (CWC) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The private pilot took off on a flight and intended to remain in the traffic pattern. Winds were from 010 degrees at 16 knots gusting to 20 knots. A carburetor icing chart showed the potential for "moderate icing at cruise power or serious icing at descent power." Through a GPS and engine monitoring system, the accident flight was able to be partially reconstructed. Upon takeoff the airplane turned left and entered the downwind leg. As the airplane was rolling out on the downwind, a throttle reduction was recorded. The airplane continued on the south-southwest on the downwind leg for at least 14 seconds. As the airplane approached the base turn, the first recorded attempt to actuate the throttle is recorded as an increase in manifold pressure and spike in fuel flow. Manifold pressure fluctuates as the airplane make the base turn to final. Approximately 3/4 through the base turn, the airplane rolled out and flew a straight approach to the open field. Several witnesses observed the airplane approaching the open field without engine power. After "barely clearing" a transmission wire, the airplane was observed to quickly roll right and impact the ground "nose first." These statements are consistent with the airplane entering a stall/spin. An examination of the airframe and engine revealed no anomalies which would have precluded production of the engine power or the safe operation of the airplane.
Probable Cause: The pilot's failure to maintain safe flying airspeed resulting in an inadvertent stall during the forced landing. Contributing to the accident was the loss of engine power due to carburetor icing.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Oct-2008 00:45 | ASN archive | Added |
| 20-May-2009 20:16 | slowkid | Updated |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 03-Dec-2017 12:05 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Source, Narrative] |
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