Chapter 431 of the Experimental Aircraft Association is located on one of the best grass airstrips in the Midwest open to the public. Brodhead Airport is home to generations of aviators and the airfield is busy throughout the year.

The mission of Cheeseland Chapter #431 is to “Promote Aviation in the Brodhead Area”, and we are active in educational outreach by hosting sport plane building seminars, Young Eagle airplane rides for students, sponsoring the Boy Scout Aviation merit badge and providing EMS fire/rescue training for local first responders. Chapter 431 also hosts three major “fly-in” events every year, a Community Pancake Breakfast, a three-day Pietenpol/Hatz convention in July and a private three-day gathering of the Midwest Antique Airplane Club in September. For relief from cabin fever, we also hold a Groundhog Chili Ski Fly-In on the first Saturday in February.

Chapter meetings are on the first Tuesday of the month during summer months and the first Saturday during the winter.

In 2013, Chapter 431 received tax exempt status as a non-profit charity under IRS section 501(c)(3). Donations to Cheeseland Chapter 431, Inc. are tax-deductible.