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New to MOSAIC? Begin with the overview and the implementation timeline.
- ReferenceMOSAIC is in effect: what changed, who it affects, and which date applies
MOSAIC is the FAA’s 2025 rule on special airworthiness certification. Here is what it changes for pilots, owners, builders, manufacturers and maintenance providers, how its dates differ, and where to go next, as of October 12, 2026.
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