ASN Wikibase Occurrence # 288164
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| Date: | Sunday 22 August 2010 |
| Time: | 07:33 LT |
| Type: |  Cessna 172E |
| Owner/operator: | Private |
| Registration: | N7807U |
| MSN: | 17251807 |
| Year of manufacture: | 1964 |
| Total airframe hrs: | 3310 hours |
| Engine model: | Continental O-300 SER |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Mammoth Lakes, California -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Mammoth Lakes, CA |
| Mammoth Lakes, CA | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that, shortly after takeoff, the airplane encountered turbulence and a downdraft and began to rapidly lose altitude. The pilot was unable to maintain control, and the airplane subsequently collided with the terrain in a nose-low attitude. According to the front-seat passenger, the takeoff roll was long, and the airplane gradually climbed with the stall warning indicator buzzing. He stated that the airplane encountered an updraft followed by a downdraft, the pilot initiated a turn to the left, and the airplane subsequently stalled. The calculated density altitude at the airport at the time of the accident was about 8,900 feet. A postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
Probable Cause: The pilot's failure to maintain adequate airspeed and airplane control during takeoff in high density altitude conditions, which resulted in an aerodynamic stall.
Accident investigation:
 |
|
Sources:
NTSB WPR10LA417
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-Oct-2022 19:09 | ASN Update Bot | Added |
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