On Saturday June 21st, the ninth annual "vertical challenge" Helicopter Air Show will return to the Bay Area. The event allows visitors to see first hand helicopter operations. The show is devoted to demonstrating to the public of how helicopters affect our daily lives from traffic and news reports to its unique life saving ability, to the National Defense of our Country.The event takes place at Hiller Aviation Museum at the San Carlos Airport, right off Highway 101. Click here for ticket information, a line-up of scheduled performances, and ticket information.