ASN Wikibase Occurrence # 177507
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| Date: | Wednesday 12 May 2004 |
| Time: | 11:45 |
| Type: |  Robinson R22 Beta |
| Owner/operator: | Private |
| Registration: | N2301F |
| MSN: | 1822 |
| Year of manufacture: | 1991 |
| Engine model: | Lycoming O-320 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Winsted, Minnesota -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Unk, |
| Unk, | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The helicopter was damaged during a forced landing. The pilot reported that he heard a loud bang, smelled rubber, received a clutch warning light, and autorotated to a recently planted corn field. The corn was approximately 2 inches tall in rolling terrain. The tail rotor and aft section of the tail boom were separated from the helicopter and the landing skids were bent outward and upward. The main drive system was examined. The main drive belts are composed of 2 independent belts each having twin V's. The 2 belts run in 4 groove pulley sheaves attached to the engine and clutch. One of the belts was split between the 2 V's for approximately 1/2 of the circumference of the belt. The second belt was shredded. Examination of the actuator revealed no anomalies. No other anomalies could be found with respect to the drive system.
Probable Cause: The failure of the main rotor drive belts for an undetermined reason, and the pilot's misjudged flare during the autorotation.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20040520X00623&key=1
FAA register: 2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=2301F
History of this aircraft
Other occurrences involving this aircraft
| 4 September 2003 | N2301F | Private | 0 | Argusville, North Dakota | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Jul-2015 16:01 | Noro | Added |
| 28-Sep-2016 19:52 | Dr.John Smith | Updated [Time, Operator, Other fatalities, Location, Source, Narrative] |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 07-Dec-2017 18:01 | ASN Update Bot | Updated [Operator, Departure airport, Destination airport, Source, Narrative] |
Corrections or additions? ... Edit this accident description
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