NTSB Identification: WPR13LA295
14 CFR Part 91: General Aviation
Accident occurred Thursday, June 27, 2013 in Fielding, UT
Aircraft: ROBINSON HELICOPTER R44, registration: N7187B
Injuries: 1 Minor.

This is preliminary information, subject to change, and may contain errors. Any errors in this report will be corrected when the final report has been completed. NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

On June 27, 2013, about 1930 mountain daylight time, a Robinson R44 helicopter, N7187B, was substantially damaged following impact with terrain while maneuvering near Fielding, Utah. The student pilot was not injured. The helicopter was registered to AMW Aerospace LLC and operated by Whirlybird Helicopters in accordance with 14 Code of Federal Regulations Part 91 as an instructional flight. Visual meteorological conditions prevailed at the time of the accident, and a flight plan had not been filed. The helicopter departed the Brigham City Airport (BMC), Brigham City, Utah, about 1830, with its destination being the Ogden-Hinckley Airport (OGD), Ogden, Utah.

In a statement submitted to a Federal Aviation Administration aviation safety inspector, the student pilot reported that while returning to OGD and passing through a mountain pass, he felt a “bump” similar to turbulence. He then scanned the [instrument] gauges and noticed that the rotor revolutions per minute (RPM) was below the green arc. The student stated that despite his attempts to regain rotor RPM by lowering the collective and adding throttle, he was unable to do so. The student added that he then initiated an autorotation to an open field and landed. The helicopter subsequently rolled over on its left side, which resulted in substantial damage.

The helicopter was recovered to a secured location for further examination.

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