ASN Wikibase Occurrence # 83278
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| Date: | Saturday 11 December 2010 |
| Time: | 12:41 |
| Type: |  Mooney M20J |
| Owner/operator: | Private |
| Registration: | N4326H |
| MSN: | 24-0707 |
| Year of manufacture: | 1978 |
| Total airframe hrs: | 4490 hours |
| Engine model: | Lycoming IO-360 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Chino Airport (KCNO), California -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Santa Ana, CA (SNA) |
| Chino, CA (CNO) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The student pilot and certified flight instructor (CFI) had just completed two simulated short-field takeoffs, and decided to perform a simulated soft-field takeoff. The student was at the controls during the takeoff roll and, as the airplane rotated, the nose lifted at an angle that the CFI determined was excessive. He verbally coached the student to lower the nose, but the nose did not lower. He again requested that the student lower the nose, but he did not respond. The airplane then began to drift to the left, so the CFI took the controls. The CFI attempted to regain control of the airplane; however, the wing dropped and the airplane landed hard. The airplane departed the runway and was consumed by a postimpact fire after coming to rest on a taxiway. The CFI reported no preimpact mechanical malfunctions or failures with the airframe or engine that would have precluded normal operation. Examination of the flap actuator mechanism revealed that the flaps were fully extended at the time of the accident, rather than set to the mid-range takeoff position. The extended flap position likely resulted in the excessive nose-up tendencies experienced during the takeoff roll.
Probable Cause: The student pilot's failure to properly position the flaps for the takeoff, failure to maintain airplane control during the procedure, and the flight instructor's delayed remedial action.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 11-Dec-2010 23:13 | slowkid | Added |
| 12-Dec-2010 02:18 | Alpine Flight | Updated [Aircraft type, Damage, Narrative] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 26-Nov-2017 18:42 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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