TWIN FALLS, Idaho (AP) — A 42-year-old south-central Idaho man convicted of shooting at a crop duster has been sentenced to three years of supervised probation.

Christopher Vaughn Lewis must also buy a half-page advertisement in the Times-News containing an explanation of why shooting at planes is wrong.

The newspaper reports ( that 5th District Court Judge Randy Stoker also on Monday ordered Lewis to develop a program to present at six youth hunter safety courses explaining his error.

Stoker says if he's not satisfied with the program he'll sentence Lewis to 180 days in jail.

A jury convicted Lewis on March 6 of felony discharging a firearm at an aircraft.

A witness testified she heard four shots on Aug. 24, walked outside and saw Lewis fire twice at the crop duster.