National Aviation Maintenance Technician Day is observed in the United States every May 24 to honor the contributions of aviation maintenance professionals, whose work is often overlooked. Established in recognition of Charles Edward Taylor, an American inventor who built the engine for the Wright brothers' first airplane, this day acknowledges the critical role that maintenance technicians play in ensuring the safety and functionality of both civilian and military aircraft. The observance was initiated following a resolution introduced by Congressman Bob Filner in 2007, and it was officially recognized in 2008, although it is celebrated in 45 states rather than nationwide. On this day, people are encouraged to acknowledge and appreciate aviation maintenance technicians, often through social media, using the hashtag #AviationMaintenanceTechnicianDay. The holiday serves to elevate the visibility of these essential workers within the aviation industry.