The IAC is grieved to learn of the passing of Betty Stewart, IAC 1992, on November 23, 2025. Bob “Bwana” Buckley, IAC 9903, called Betty “Colorado [IAC] Chapter 12’s two-time World Aerobatic Champion, consecutive (’80 & ’82),” and credits her for getting him into IAC originally, saying she “elevated [him] to the pinnacle of aerobatics – a Pitts Pilot/Owner - from back in the mid 70’s.”

Mike Heuer, IAC 4, said, “I’ve known Betty since about 1976. Attached is one photo of several I have of her with the team in 1976. Probably one of the most difficult world championships our teams…

The official 2026 Known sequences that were approved at the IAC board of directors fall meeting last week have been published and are available for viewing. They can be found HERE or by going to the 'COMPETE' tab at the top of the IAC website, then clicking on 'SEQUENCES' in the dropdown menu.

The sequences are separated by power and glider and by competition categories. All sequences can be downloaded from the sequences page.

The IAC and the entire aerobatics community is saddened at the news of Warren Cilliers having passed away on November, 8th, 2025 after an aerobatics accident at the Keystone Heights Airport in Starke, Florida. 

Warren was an exceptional aerobatic pilot, a talented mechanic, and great friend to many in the aerobatics and aviation community.  Warren was an active IAC member and left a lasting impact on many aspiring aerobatics pilots across all experience levels. 

Our thoughts and prayers are with Warren's family and loved ones.  
 

Additional information on…

Alice Johnson, a dedicated and passionate IAC member and volunteer, has been chosen to be the 2026 Unlimited Aerobatics Team Manager!  

Alice brings a wealth of U.S. aerobatics teams related experience to the role.  Alice was the U.S. National Aerobatic Team Manager for the '23-'24 contest season, which …

By Barrett Hines, IAC 432116

The submission deadline for IAC members to propose changes to the IAC Official Contest Rules for the 2026 contest season have now been compiled. A total of 25 proposals from the membership were received before the deadline, with another 11 proposals resulting from the Nationals contest recently added.  A PDF with all of the proposals is available for download below or for viewing online here.  …