TribLIVE's Daily and Weekly email newsletters deliver the news you want and information you need, right to your inbox. This year’s airshow at Arnold Palmer Regional Airport is moving to a new drive-in format, under tentative plans for complying with covid-19 pandemic restrictions. At the same time, organizers want to expand the show’s reach, with proposed livestreaming of the event and some civilian performers expected to fly over portions of Westmoreland County. The county airport authority, which operates the Unity airport and plans the Shop ’n Save Westmoreland County Airshow, approved pursuing the drive-in option at its Tuesday meeting.