ASN Wikibase Occurrence # 170151
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| Date: | Saturday 31 May 2014 |
| Time: | 10:30 |
| Type: |  Robinson R22 Beta |
| Owner/operator: | KMB Helicopters LLC |
| Registration: | N7122E |
| MSN: | 2909 |
| Year of manufacture: | 1999 |
| Total airframe hrs: | 1928 hours |
| Engine model: | Lycoming O-360-J2A |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Location: | near San Manuel Airport, San Manuel, Pinal County, Arizona -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Survey |
| Departure airport: | San Manuel Airport (FAA LID: E77) |
| San Manuel Airport (FAA LID: E77) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Robinson R22 Beta N7122E crashed at 10:30 MST (Mountain Standard Time) and was substantially damaged near San Manuel Airport (FAA LID: E77) San Manuel, Pinal County, Arizona when it flew into power lines and crashed (at approximate co ordinates 32°62′50″N 110°56′39″W). According to the official NTSB report into the accident:
The pilot stated that the purpose of the flight was to conduct low-level aerial operations for cattle herding. The pilot maneuvered the helicopter in an effort to keep the cattle close together and did not notice a phone line in the helicopter's flight path. The main rotor blades contacted the lines and they became entangled in the main rotor head. The helicopter descended from approximately 15 feet above ground level and impacted the terrain hard, collapsing the skids. As a result of the impact, the helicopter sustained substantial damage to both the tail and main rotor blades. The pilot reported no pre impact mechanical malfunctions or failure with the helicopter that would have precluded normal operation.
Probable Cause: The pilot's failure to maintain an adequate obstacle clearance altitude from phone wires while performing low-level operations.
Accident investigation:
 |
|
Sources:
NTSB
2. FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=7122E
3. https://flightaware.com/resources/registration/N7122E
4. http://helihub.com/2014/05/31/31-may-14-n7122e-robinson-r22-san-manuel-us-arizona/
5. https://www.helispot.be/hs/documents/heli/heliint201409.pdf (Page 66)
6. https://en.wikipedia.org/wiki/San_Manuel_Airport
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-Sep-2014 19:47 | Aerossurance | Added |
| 07-Feb-2016 16:52 | Dr.John Smith | Updated [Time, Cn, Operator, Departure airport, Source] |
| 16-Oct-2016 17:20 | Dr.John Smith | Updated [Location, Source, Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 29-Nov-2017 14:24 | ASN Update Bot | Updated [Operator, Nature, Departure airport, Destination airport, Source, Narrative] |
| 19-Aug-2018 19:43 | Dr.John Smith | Updated [Time, Operator, Location, Departure airport, Destination airport, Source, Narrative] |
Corrections or additions? ... Edit this accident description
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