ASN Wikibase Occurrence # 364939
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| Date: | Thursday 11 July 1991 |
| Time: | 11:00 LT |
| Type: |  Robinson R22A |
| Owner/operator: | Para Flite, Inc. |
| Registration: | N4070H |
| MSN: | 1727 |
| Year of manufacture: | 1991 |
| Engine model: | LYCOMING O-320 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | El Cerrito, CA -
 United States of America
|
| Phase: | Take off |
| Nature: | Training |
| Departure airport: | Riverside, CA (KRAL) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE INSTRUCTOR PILOT WAS DEMONSTRATING SLOPE TAKEOFF TECHNIQUES TO THE STUDENT AFTER THE STUDENT HAD LANDED ON A HILLSIDE THAT SLOPED DOWNWARD FROM LEFT TO RIGHT. THE INSTRUCTOR LIFTED THE HELICOPTER'S RIGHT DOWN SLOPE SKID TWICE WHILE THE LEFT SKID REMAINED ON THE GROUND. DURING THE THIRD LIFT-OFF THE INSTRUCTOR DID NOT LIFT THE LEFT SKID AS THE HELICOPTER RAISED AND IT ROLLED OVER UPSLOPE ON ITS LEFT SIDE.
Probable Cause: THE INSTRUCTOR PILOT'S IMPROPER SLOPE TAKEOFF TECHNIQUE.
Accident investigation:
 |
|
Sources:
NTSB LAX91LA307
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Mar-2024 20:29 | ASN Update Bot | Added |
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