ASN Wikibase Occurrence # 285210
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| Date: | Monday 26 February 2007 |
| Time: | 16:20 LT |
| Type: |  Robinson R22 Beta II |
| Owner/operator: | Blue Sky Aviation, Inc. |
| Registration: | N199K |
| MSN: | 3529 |
| Year of manufacture: | 2003 |
| Engine model: | Lycoming O-360 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Tulare, California -
 United States of America
|
| Phase: | Unknown |
| Nature: | Training |
| Departure airport: | Tulare Airport, CA (TLR/KTLR) |
| Tulare Airport, CA (TLR/KTLR) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During a practice hover autorotation, the helicopter touched down hard on the left skid and experienced a dynamic rollover. The certificated flight instructor (CFI) reported that the purpose of the flight was to conduct training for the student pilot (positioned in right seat). In an attempt to practice a hovering autorotation, the CFI rolled the throttle toward the idle position. In response, the student immediately raised the collective and did not input enough right pedal correction. The student additionally made an abrupt left cyclic input, resulting in the helicopter drifting left. The CFI assumed authority of the flight controls in attempt to arrest the high rate of descent and regain directional control. The helicopter stuck the ground hard on the left skid and rolled over. The CFI reported no mechanical malfunctions or failures with the helicopter prior to impact.
Probable Cause: The student pilot's improper use of the collective and cyclic control, which induced a dynamic rollover. Also causal was the certificated flight instructor's inadequate supervision and delayed remedial action.
Accident investigation:
 |
|
Sources:
NTSB LAX07CA041
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Oct-2022 19:20 | ASN Update Bot | Added |
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