ASN Wikibase Occurrence # 202201
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Date: | Thursday 15 April 1999 |
Time: | 14:45 LT |
Type: | Robinson R-22 |
Owner/operator: | Helicopter Flight Training Inc |
Registration: | N151RM |
MSN: | 0343 |
Year of manufacture: | 1997 |
Total airframe hrs: | 1448 hours |
Engine model: | Lycoming O-320 |
Fatalities: | Fatalities: 0 / Occupants: 2 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Port Jefferson, NY -
United States of America
|
Phase: | Landing |
Nature: | Training |
Departure airport: | Ronkonkoma, NY (ISP |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The private pilot was receiving rotorcraft instruction and was on approach to land. As the helicopter passed through about 15 feet, the flight instructor was also on the flight controls. The airspeed was about 20 MPH, with a descent of 200-300 FPM. When the collective was raised the helicopter continued to descend, landed hard, and rolled over. When interviewed the flight instructor remembered the LOW ROTOR warning horn had sounded. Post accident examination of the engine and mechanical throttle compensator found no evidence of a mechanical failure. The helicopter manufacturer had published a safety notice which cautioned against airspeed of less than 30 knots until the descent rates were less than 300 FPM.
Probable Cause: the lack of supervision by the flight instructor which resulted in a low rotor condition and subsequent hard landing.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | NYC99LA090 |
Status: | Investigation completed |
Duration: | 2 years |
Download report: | Final report |
|
Sources:
NTSB NYC99LA090
Location
Revision history:
Date/time | Contributor | Updates |
26-Nov-2017 12:43 |
ASN Update Bot |
Added |
08-Apr-2024 07:09 |
ASN Update Bot |
Updated [Time, Other fatalities, Departure airport, Source, Narrative, Category, Accident report] |
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