On May 31, 2001, at 1136 hours Pacific daylight time, a Bell 47G-4A, N110DT, collided with the ground during an aerial application turn to reverse direction near Buttonwillow, California. The helicopter sustained substantial damage; however, the certificated commercial pilot was not injured. The helicopter was being operated by Inland Crop Dusters, Inc., as an aerial application flight under 14 CFR Part 137 when the accident occurred. The flight had originated in the Bakersfield area earlier that morning. Visual meteorological conditions prevailed at the time and no flight plan had been filed.

The pilot was reported by Kern County Sheriff's Deputies to have been performing an aerial application flight when the helicopter crashed.

According to the pilot, he was making a series of steep 180-degree turns between aerial application passes. He reported that on the last turn the helicopter began to "settle with power" and there was not enough time to recover. By his account, wind direction was a contributing factor.

Wind speeds recorded at Bakersfield weather station were variable at 3 knots.

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