A4Aviation: Your Partner for MOSAIC and Sport Flight
A New Era in Light Sport Aviation
The FAA's Modernization of Special Airworthiness Certification (MOSAIC) rule marks the most significant shift in light sport aviation since the category was created nearly 20 years ago. It redefines what pilots can fly, how they train, and how aircraft are built.
At A4Aviation, we're helping pilots, flight schools, and owners take advantage of this new opportunity—from aircraft acquisition to training and leaseback operations.
What is MOSAIC?
MOSAIC is a sweeping FAA reform designed to modernize the Light Sport Aircraft (LSA) and Sport Pilot rules. Instead of limiting airplanes by weight and configuration, MOSAIC defines eligibility by performance—especially stall speed.
That means many existing general aviation (GA) airplanes and next-generation designs will soon qualify as LSAs.
Under the new rules, Light Sport Aircraft may include:
- •Up to four seats
- •Retractable landing gear
- •Variable-pitch propellers
- •Higher cruise speeds
- •Electric or hybrid propulsion
- •And more advanced avionics suites than ever before
This expansion opens the door for pilots to fly more capable, modern, and versatile aircraft while maintaining the simplicity and accessibility that made the Sport Pilot license so appealing.
Why It Matters for Pilots
For new and existing pilots, MOSAIC dramatically increases options and flexibility.
Before MOSAIC:
Sport Pilots were limited to simple, two-seat aircraft under 1,320 lbs (land) or 1,430 lbs (seaplane), with fixed gear and fixed-pitch props. Private Pilot certificates were required to move beyond that.
With MOSAIC:
Sport Pilots can now train for endorsements that allow:
- ✓Flying many legacy four-seat airplanes
- ✓Operating with higher cruise speeds and payloads
- ✓Night flying and controlled airspace access
- ✓Use of modern, technically advanced aircraft (TAA)
Medical requirements remain flexible—pilots can continue using a valid U.S. driver's license in lieu of an FAA medical, with appropriate training endorsements for new privileges.
Why It Matters for General Aviation
MOSAIC is a catalyst for innovation and growth in GA.
New aircraft design freedom
Manufacturers can certify safer, more efficient designs with fewer regulatory bottlenecks.
Fleet modernization
Older training aircraft can be refurbished and reclassified as LSAs under the new performance-based standards.
More pilots in the sky
By lowering costs and simplifying medical requirements, MOSAIC will bring a new generation of aviators into general aviation.
Sustainable aviation progress
Electric and hybrid propulsion now have a clear path to certification under the updated rules.
For small operators and flight schools, MOSAIC means more training flexibility, lower operating costs, and a stronger business case for owning modern light aircraft.
How A4Aviation Helps You Navigate the Change
A4Aviation exists to make aircraft ownership and operation simple, strategic, and sustainable in this new regulatory environment.
We provide:
- Aircraft acquisition and financing guidance – Choose aircraft that qualify under MOSAIC's expanded rules.
- Flight school and leaseback programs – Offset ownership costs by making your plane earn revenue while maintaining FAA compliance.
- Training partnerships – Get connected to CFI networks familiar with MOSAIC privileges and Sport Pilot transitions.
- Maintenance and compliance planning – Keep your aircraft airworthy and ready for both private and leaseback operations.
Whether you're a new Sport Pilot exploring ownership or a seasoned aviator preparing for the MOSAIC transition, A4Aviation is your partner every step of the way.
The Bottom Line
MOSAIC isn't just a rule change—it's a redefinition of accessible flight. It bridges the gap between Light Sport and General Aviation, empowering more pilots to fly more capable airplanes with less red tape and lower costs.
At A4Aviation, we're ready to help you own, operate, and enjoy this new era of sport flight.