The organization is chapter-based, and local chapters organize many of their own activities.

These chapters usually organise regular meetings or attend events of interest such as air shows.

The chapter organizes workshops and talks on different subjects by speakers who are well known in their area.

Each year, chapters organize multicultural events, ranging from step shows to guest speakers.

Chapters organize local meetings and conferences in their region.

Chapters elect officers from within their membership, produce a newsletter, and organize events throughout the year.

The more active chapters organize live protests, which they call "Freeps."

Local chapters organize regular networking and professional development events.

During presidential years, chapters have organized proxy debates and run mock elections.

Every chapter organizes its own charitable events, usually donating the proceeds to a local charity.