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ASN Wikibase Occurrence # 229641
Last updated: 26 August 2021
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Date:03-JAN-2019
Time:10:00
Type:Silhouette image of generic R44 model; specific model in this crash may look slightly different
Robinson R44 Raven II
Owner/operator:Private
Registration: N4246Z
MSN: 12697
Fatalities:Fatalities: 0 / Occupants: 1
Other fatalities:0
Aircraft damage: Substantial
Category:Accident
Location:Grace, ID -   United States of America
Phase:
Nature:Private
Departure airport:Grace, ID
Destination airport:Grace, ID
Investigating agency: NTSB
Narrative:
The helicopter pilot reported that, shortly after liftoff to the north from his property, he saw coyote tracks and "wanted to inspect." To better observe the coyote, he maneuvered at a low altitude, which led him to cross over a power line. After crossing the power line for a third time, he spotted the coyote, turned left, diverted his attention from the power line, continued to turn left, and the main rotor blades struck the power line. He maintained control of the helicopter and landed without further incident.
The helicopter sustained substantial damage to the main rotor blades. 
The pilot reported that there were no preimpact mechanical failures or malfunctions with the helicopter that would have precluded normal operation.



Probable Cause: The pilot's failure to maintain clearance from the power lines.

Sources:

NTSB

Accident investigation:
cover
  
Investigating agency: NTSB
Status: Investigation completed
Duration: 9 months
Download report: Final report
Other occurrences involving this aircraft

24 Aug 2014 N4246Z Private 0 12 miles south of Pahrump, NV sub

Location


Revision history:

Date/timeContributorUpdates
02-Oct-2019 07:56 ASN Update Bot Added

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