Community−Based Organization (CBO)

A membership−based entity, described under Section 501(a,c), whose mission is the furtherance of model aviation.

Source: FAA Pilot/Controller Glossary (definition from the 2023 edition; current: Change 1 of 7 August 2025).

Reference: 49 United States Code (USC) §44809 (h); Advisory Circular (AC) 91−57.

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Glossary last updated 2026-10-28.

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