ASN Wikibase Occurrence # 352881
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| Date: | Thursday 5 August 1999 |
| Time: | 17:45 LT |
| Type: |  Robinson R-22A |
| Owner/operator: | Alpha Helicopter Inc. |
| Registration: | N8561K |
| MSN: | 0482 |
| Year of manufacture: | 1985 |
| Total airframe hrs: | 944 hours |
| Engine model: | Lycoming O-320 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Shirley, NY -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | , NY (KHWV) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The instructor pilot was demonstrating a 180 degree autorotation to the student pilot. The CFI reported that the helicopter's main rotor RPM dropped immediately after initiation of the flare and the helicopter fell rapidly to the ground. The helicopter bounced, and came to rest upside down. The pilot did not report mechanical malfunctions of the airframe or engine.
Probable Cause: The pilot's failure to maintain rotor RPM, which resulted in a hard landing.
Accident investigation:
 |
|
Sources:
NTSB NYC99LA190
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 09-Mar-2024 08:05 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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