Summer spirits soar at the Greater Cincinnati Radio Control Club’s 53rd Annual Flying Circus Airshow. The two-day Model Aeronautics Extravaganza features more than 175 model aircrafts of all kinds including helicopters, jets and a rocket-powered Space Shuttle
11:30 a.m.-4 p.m. Saturday-Sunday. $5 per vehicle (one person); $10 per vehicle (more than one person). Butler County Regional Airport, 2820 E. Airport Drive, Hamilton, 513-887-0444, gcrcc.net.