ASN Wikibase Occurrence # 215318
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| Date: | Tuesday 4 October 2011 |
| Time: | day |
| Type: |  Robinson R22 Beta |
| Owner/operator: | MN Helicopters Inc |
| Registration: | N4170M |
| MSN: | 4328 |
| Year of manufacture: | 2008 |
| Total airframe hrs: | 1127 hours |
| Engine model: | Lycoming O-360-J2A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Location: | Range Regional Airport, 5 miles SE of Hibbing, Minnesota -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Range Regional Airport, Hibbing, Minnesota (KHIB) |
| Range Regional Airport, Hibbing, Minnesota (KHIB) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Substantially damaged 4 October 2011 in a landing accident during a training flight at Range Regional Airport, 5 miles South East of Hibbing, St. Louis County, Minnesota, (at approximate Coordinates: 47°23′12″N, 092°50′20″W). The two persons on board (instructor and pilot under training) were not injured. According to the official NTSB report into the accident:
"The student held a private pilot certificate with a helicopter rating and was receiving instruction toward a commercial helicopter pilot certificate when the accident occurred. According to the instructor, the student pulled aft cyclic too early while beginning a landing flare following a practice auto rotation. This resulted in an increase in main rotor rpm and a decrease in airspeed. The instructor then adjusted the throttle in an attempt to decrease the rpm. The instructor stated the student then applied excessive left pedal, which resulted in the helicopter making a 180 degree turn while the helicopter was six feet above the ground. The instructor stated he then decreased the collective and put the helicopter on the ground before the situation worsened. The helicopter contacted the ground as it skidded backwards resulting in substantial damage to the tail boom.
The National Transportation Safety Board determines the probable cause(s) of this accident as follows: The private pilot's failure to maintain control of the helicopter during the landing flare."
Accident investigation:
 |
|
Sources:
NTSB
2. FAA Registration: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=N4170M
3. http://helihub.com/2011/10/04/04-oct-11-n4170m-robinson-r22-hibbing-us-minnesota/
4. http://helicoptersafety.blogspot.com/2011/10/04-oct-11-n4170m-robinson-r44-hibbing.html
5. https://abpic.co.uk/pictures/view/1216663
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-Sep-2018 17:15 | Dr.John Smith | Added |
Corrections or additions? ... Edit this accident description
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