ASN Wikibase Occurrence # 355347
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| Date: | Sunday 24 August 1997 |
| Time: | 15:15 LT |
| Type: |  Robinson R22 BETA |
| Owner/operator: | Private |
| Registration: | N8057Z |
| MSN: | 2396 |
| Year of manufacture: | 1993 |
| Engine model: | Lycoming O-320-B2C |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Terrell, TX -
 United States of America
|
| Phase: | En route |
| Nature: | Training |
| Departure airport: | Garland, TX (T57) |
| Terrel, TX (KTRL) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The student was certificated as a single-engine land airplane pilot, and was taking instruction in a Robinson R22 helicopter. According to him, while on a solo cross-country flight, the helicopter began to experience engine vibrations with a loss of engine rpms. He initiated an autorotation to an open field, and approximately 40 feet above ground level, he began the landing flare, pulling up on the collective at the same time. He stated that he noticed 'the aircraft feeling funny,' and reduced 'some' of the collective. Approximately 8 feet above ground level, the helicopter 'just dropped' to the ground. The pilot received a back injury during the accident. He had difficulty egressing from the helicopter, noting that that his right side was numb. Examination of the engine revealed no abnormalities or deficiencies. The engine was placed on a test stand and operated for 15 minutes. The engine operated normally throughout all parameters.
Probable Cause: the student pilot's premature flare for landing from an autorotation, and the ensuing loss of rotor rpm, which resulted in a hard landing. A factor relating to the accident was: partial loss of engine power for undetermined reason(s).
Accident investigation:
 |
|
Sources:
NTSB FTW97LA327
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-Mar-2024 10:59 | ASN Update Bot | Added |
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