GRASS VALLEY, Calif. July 20, 2019 – The Airshow and Brewfest are in full swing at the Nevada County Airport. The Brewfest will have the finest breweries and wineries from the local area as well as music from the local Tom Petty Tribute band “Petty Luv”. This is a family event that provides youth activities, an open house at the USFS/Cal FIRE Air Attack Base, classic cars and a variety of food.