Aviation Accident Summaries

Aviation Accident Summary CEN13LA447

Tamaroa, IL, USA

Aircraft #1

N23L

BELL 206B

Analysis

The pilot took off on the aerial application flight, flew the helicopter about 1/4 mile to the assigned field, and completed an initial application pass. The pilot recalled that the helicopter was approaching the point at which he intended to reverse course for the next spray run; however, he did not recall the accident sequence. The accident site was located about 1/4 mile south of his planned turning point in an adjacent farm field. The pilot commented that the terrain was "flat" with corn about 8 feet tall. He also noted that the helicopter was "performing great" with no known problems before the accident. A postaccident examination did not reveal any anomalies consistent with a preimpact malfunction or failure.

Factual Information

On July 19, 2013, about 0930 central daylight time, a Bell 206B helicopter, N23L, impacted crops and terrain during an agricultural application pass near Tamaroa, Illinois. The pilot reported no injuries. The helicopter was substantially damaged. The helicopter was registered to and operated by Kash Helicopter Services LLC under the provisions of 14 Code of Federal Regulations Part 137 as an aerial application flight. Visual meteorological conditions prevailed for the flight, which was not operated on a flight plan. The local flight originated from a private helipad near the accident site about 0928.The pilot reported that he took off, flew about one-quarter mile to the assigned field, and completed an initial application pass. He recalled that he was approaching his intended turning point to reverse course for the next spray run; however, he did not recall the accident sequence. The accident site was located about one-quarter mile south of his planned turning point in an adjacent farm field. The main rotor contacted and severed the tailboom during the accident sequence; the helicopter came to rest on its right side. The pilot commented that the terrain was "flat" with eight-foot tall corn. He also noted that the helicopter was "performing great" with no known problems prior to the accident.A postaccident examination of the helicopter by a Federal Aviation Administration inspector did not reveal any anomalies consistent with a preimpact malfunction or failure.

Probable Cause and Findings

The pilot's failure to maintain clearance from terrain during an agricultural application maneuver.

 

Source: NTSB Aviation Accident Database

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