The Modernization of Special Airworthiness Certification (MOSAIC) rule is live, replacing LSA weight limitations with performance-based criteria (e.g., a 61-knot stall speed) to expand the types of ...
The Federal Aviation Administration's (FAA) Modernization of Special Airworthiness Certification (MOSAIC) final rule, issued in July 2025 and effective October 22, 2025, for sport pilot privileges, is ...