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MOSAIC 2025: A New Horizon for Recreational Aviation

Posted by Mitch Lutze-Morris on Feb. 3, 2026  /  Subscribe 0

In July 2025, the Federal Aviation Administration (FAA) unveiled the long-anticipated Modernization of Special Airworthiness Certification (MOSAIC) rule, marking one of the biggest regulatory overhauls in General Aviation in more than two decades. Designed to modernize outdated rules and open the skies to more pilots and aircraft, MOSAIC promises to expand recreational flying, simplify certification, and unleash innovation across the light aircraft sector. 

MOSAIC changes how aircraft and pilots are regulated by replacing weight-based restrictions with performance-based standards. For decades, sport pilots and light-sport aircraft (LSA) were shackled to a narrow set of rules, established in 2004. Now a lot of those constraints are gone and with them, many of the limits that kept capable aircraft and eager pilots grounded. 

The traditional 1,320-pound cap for LSAs has been removed, giving designers and builders the freedom to produce larger, safer, and more capable aircraft that still meet strict performance criteria. Instead of focusing on how much an aircraft weighs, the new regulations focus on how it performs in flight, most notably its stall speed, as a measure of safety and suitability. 

Perhaps the most transformative change under MOSAIC is the dramatic expansion of what sport pilots can legally fly.

More aircraft types: Sport pilots can now operate aircraft with up to four seats (though still limited to one passenger), eliminating the old two-seat cap. 

Performance-based eligibility: Instead of being barred by weight, pilots are now limited by stall speed making a wider range of airplanes usable under sport privileges. 

Advanced features allowed with endorsements: Retractable landing gear, controllable-pitch propellers, and even night flying are now possible for sport pilots, once proper training and endorsements are completed. 

These enhancements offer recreational pilots access to aircraft that were previously off-limits without a private pilot license, potentially cutting training costs and lowering barriers to entry. The changes are also expected to lower the cost and time required to bring new aircraft models to market while expanding the variety of machines available to pilots and flight schools. 

Additionally, repairman and maintenance privileges for qualified individuals have been expanded to cover the newly defined LSA category, simplifying upkeep for owners and small operators. Under this change, light-sport repairman privileges are now expanded to allow a properly certified repairman to conduct condition inspections on amateur-built aircraft that are of the same category and class of aircraft for which the individual is rated for and revises requirements for performing repairs/alterations of light-sport category aircraft.

Other changes from a maintenance standpoint include:

• Sport pilots can perform preventative maintenance on light-sport category aircraft that they owned or operated.

• Light-sport repairman certification course has been updated from three-week duration to a requirements-based curriculum.

• Minor alterations and repairs may be performed on light-sport aircraft without manufacturer approval or a person acceptable to the FAA.

It is important to know, however, that MOSAIC did not change any maintenance standards for aircraft with standard airworthiness certificates. While the aircraft types approved for use by sport pilots have vastly increased, aircraft with a standard airworthiness certificate must be maintained according to Part 43 and 61 by certified mechanics.

MOSAIC’s rollout is structured in phases to help the aviation community adapt. Updates to sport pilot privileges and operational rules took effect on October 22, 2025, with the next phase of changes being planned for July 24, 2026. These changes will pertain to aircraft certification and the formal removal of the old “light-sport aircraft” definition become effective. This staggered schedule gives pilots, instructors, and manufacturers time to align training programs, certification pathways, and business models with the new landscape. 

For those interested in the full details for what was changed or have questions about the final rule signed into effect on July 18, 2025, refer to FAA Docket No. FAA-2023-1377.

For more news / articles visit the North Dakota Aviation Association website for the online edition of the Fly-ND Quarterly.

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