Latest News

December 5, 2017

Dear IAC’ers:

I am sad to report that Giles Henderson, IAC #159 of Charleston, Illinois lost his life in a skydiving accident on Saturday, December 2nd. If you have been around IAC for any length of time at all, you knew who Giles was – a real icon in our sport and the quintessential Sportsman pilot.

I met Giles in about 1968 as he was an Illinoisan like our family. He is the only IAC pilot who flew in both our very first IAC-sanctioned contest in May 1970 at Lansing, all the way up to the recent U.S. National Aerobatic Championships in Oshkosh. Though...

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November 29, 2017

All Unknown sequences from the 2017 contest season are now online, along with the 2018 Known sequences.

Please visit (member login required)

October 29, 2017

The IAC Known Sequence Committee, consisting a highly experienced pilots in a wide range of aircraft, have issued their recommendaitons to the Board of Directors for the 2018 Known compulsory sequences that will be used in both power and glider categories next season. Those proposed sequences are available below in a downloadable PDF.

Comments on these sequences can be directed to the IAC Director who represents your region and iacrulescomments [at] Comments should be submitted no later than 1 November 2017 in order to be included in the Board's agenda packages.


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October 11, 2017

The IAC Rules Committee has issued its final report to the Board of Directors on the changes it recommends to the IAC Official Contest Rules in 2018. The report is available below in PDF format for download.

IAC members are invited to submit their comments on these proposals to the following address:

iacrulescomments [at]

Comments must be received by 23.59 Central Time on 1 November 2017. These comments will then be compiled into an agenda document for the...

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October 5, 2017

Every flight by every competitor is now online at:

Thanks to Forrest Fox Productions for the videography and editing.

October 3, 2017

The U.S. National Aerobatic Championships came to a formal close on Friday evening, September 29th, with ceremonies held at the EAA Aviation Museum's Founder's Wing in Oshkosh, Wisconsin.

The 2017 U.S. National Aerobatic Champion is Rob Holland. Rob flew his MXS-RH to victory shortly after returning from the FAI World Aerobatic Championships in South Africa earlier this month. He also won the Four Minute Freestyle event which is a separate trophy contest at the end of the Nationals. Rob was presented the Mike Murphy Cup as National Champion. This was his 7th win of the title and as...

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