A radio-control airplane showcase features top international aerobatic pilots competing for $100,000 in cash and prizes in a freestyle contest from 10:30 a.m. to 5 p.m., Saturday, Oct. 8; and 10:30 a.m. to 3 p.m., Sunday, Oct. 9. The Southern Arizona Rocketry Association conducts a night launch from dusk until 9 p.m., Saturday. Vendors offer food and beverages. $10 per carload; $5 individual. Visit timpa.org for details.