ASN Wikibase Occurrence # 293138
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| Date: | Saturday 27 August 2005 |
| Time: | 14:45 LT |
| Type: |  Robinson R22 Beta |
| Owner/operator: | Silver State Helicopters, LLC |
| Registration: | N845SH |
| MSN: | 3825 |
| Year of manufacture: | 2005 |
| Engine model: | Lycoming O-360-J2A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Boise Airport, Boise, ID -
 United States of America
|
| Phase: | Unknown |
| Nature: | Training |
| Departure airport: | Boise Airport, ID (BOI/KBOI) |
| Boise Airport, ID (BOI/KBOI) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The instructor pilot reported that he and the student pilot were practicing power recovery autorotations at the Boise airport. During the tenth practice autorotation, with the student pilot on the controls, the instructor noted a lower than normal main rotor RPM (approximately 94 percent) and elected to take the controls in an effort to make the necessary inputs to recover from the maneuver. The instructor pilot reported that during the transition (approximately 60 feet agl), there was a "struggle" for the controls and corrective action was delayed resulting in a hard landing and substantial damage to the helicopter. The instructor pilot stated that he does not recall verbalizing the transfer of control to the student pilot.
Probable Cause: Inadequate communications between the certified flight instructor and student pilot, and the student pilot's delay in relinquishing controls resulting in a hard landing during a practice autorotation.
Accident investigation:
 |
|
Sources:
NTSB SEA05CA182
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 09-Oct-2022 16:31 | ASN Update Bot | Added |
| 16-Sep-2023 12:18 | Ron Averes | Updated |
Corrections or additions? ... Edit this accident description
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