Latest News

The 2024 Mark Fullerton Memorial Bear Creak Bash May 17-18, 2024 has to be canceled due to weather.

IAC Chapter 3 is planning to reschedule.  Watch the contest listings for the new date.

https://www.iac.org/contests

The IAC Board of Directors are constantly searching for ways to be financially responsible and to continue bringing IAC members valuable benefits and resources.

One such area of discussion has been the Sport Aerobatics Magazine and the plan announced recently to transition from the current printed format to an all-digital version. A huge thank you to everyone that has provided comments, suggestions, and input on this matter.

At the recent IAC Spring Board Meeting, the IAC Board of Directors decided to pause the transition to digital for the time being. This will…

On Tuesday April 16th, we reactivated an old server. Because it had been offline for a long time, it assumed that all memberships had lapsed while it was "asleep" and sent emails to that effect.

Rest assured that your membership did not actually expire on the 16th. We sincerely apologize for any confusion and inconvenience.

Have a passion for aerobatics? Interested in supporting the IAC and its members by becoming a member of the board of directors? 

If you or an IAC member you know is interested in running for an officer or director position, it's time to get your nomination form signed by 10 current IAC members. Deadline for submission is April 12, 2024.

You will need to send in the form with a current photo and a bio of less than 500 words to the nomination's chairman.

Get all the details and nomination form here:…

On January 24, 2024, the IAC Board of Directors approved updated versions of the Aircraft Technical Review Form (formerly the Aircraft Review Form), and the Pilot Document Review Form (formerly the Document Review Form).  These are the two documents that are collectively referred to as the "tech inspection" portion of registration.

The…

By Bill Freeman EAA #148597, Reprinted from the 1981 EAA Designee Newsletter
Technical Tips Manual Vol 2

In the aircraft community the term "metal fatigue" is often used without any explanation, usually in reference to some part which has failed an inspection or perhaps a part which has failed in service.

Some self-styled authorities will say that the metal "crystallized," which caused it to crack. You may envision the metal somehow getting "tired" and failing, and in some older aircraft it might seem…