ASN Wikibase Occurrence # 365726
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| Date: | Saturday 2 February 1991 |
| Time: | 16:37 LT |
| Type: |  Robinson R-22 ALPHA |
| Owner/operator: | American Helicopter Corp |
| Registration: | N8555K |
| MSN: | 0446 |
| Year of manufacture: | 1985 |
| Engine model: | LYCOMING O-320 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Coram, NY -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Shirley, NY (KHWV) |
| Ronkonkoma, NY (ISP | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
N8555K WAS ENROUTE FROM SHIRLEY, NEW YORK, TO ISLIP, NEW YORK, AT A CRUISING ALTITUDE OF 1100 FEET WHEN THE PILOT HEARD A PERSISTENT NOISE FROM THE REAR OF THE AIRCRAFT. HE ATTEMPTED A PRECAUTIONARY AUTOROTATIVE LANDING. THE NOISE PERSISTED THROUGHOUT DESCENT. AT APPROXIMATELY 5 FEET ABOVE THE GROUND, TAIL ROTOR EFFECTIVENESS WAS LOST, AND THE HELICOPTER SKID MADE CONTACT WITH THE GROUND CAUSING A ROLL OVER.
Probable Cause: THE PILOT-IN-COMMAND'S FAILURE TO MAINTAIN ROTOR RPM AND MISJUDGING THE HEIGHT OF THE FLARE DURING A PRECAUTIONARY AUTOROTATIVE LANDING, RESULTING IN A ROLL OVER DURING THE LANDING FLARE TOUCHDOWN.
Accident investigation:
 |
|
Sources:
NTSB NYC91LA071
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 13:12 | ASN Update Bot | Added |
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