Gleim Aviation

Gleim Aviation is the flight training division of Gleim Publications, headquartered in Gainesville, Florida and widely known for producing the most widely used aviation test prep books and online ground school courses in the United States. Beyond publishing, Gleim holds its own FAA Part 141 certification and actively maintains the most established Part 141 ground school program in the nation, partnering with hundreds of certified flight schools across the country to standardize their FAA-required ground instruction. This dual role as both publisher and Part 141 operator makes Gleim Aviation a uniquely influential force in American flight training, shaping pilot education standards far beyond the borders of any single airport.