Bulletin 1 for the 2026 U.S. National Aerobatic Championships is now available. To open Bulletin 1 in a new tab as a .pdf document, click HERE. You can also visit the IAC Nationals page where the link to the bulletin can be found in the most recent update.

The deadline for IAC rules change proposals is July 1, as noted in Section 1 of the IAC Contest Rules. 
 

Start by going to the form submission option on the website https://www.iac.org/propose-rule-change (A member login is required.)  Next, fill out the form, and when it is complete, click "Submit". If there are issues with submission of the website form but the form and answers are saved, they can instead be submitted over email to ruleschair@iac.org.
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The International Aerobatics Club exists to promote the safety and enjoyment of the sport we all love.  We would like to recognize the aerobatic community and engage in sharing a passion that too few get to experience.  What better way to celebrate than to have a week of aerobatic focused webinars leading up to that special day on Saturday June 27, 2026? 

Here's the schedule of planned webinars leading up to International Aerobatics Day!

Monday, June 22 - Recreational Aerobatics: The Basics - Gordon Penner -…

Big news...the IAC is set to attend Sun 'n Fun!  
The International Aerobatic Club will have a presence at the 2026 Sun 'n Fun Aerospace Expo in Lakeland, Florida from April 14th through April 19th.  Look for the booth in the aerobatics area of the show grounds.  

If you plan on attending, be sure to stop by and say hello.  We'd love to see you, catch up, and of course, talk about aerobatics! 

An update to the 2026 Rule Book is now available as …