Training Tomorrow's Technicians to Become Skilled, Employable and Essential. The Aviation Institute of Maintenance (AIM) , established in 1969, is a premier institution dedicated to advancing the field of aviation maintenance through exceptional education and training. With 15 campuses nationwide, AIM is a cornerstone in the aviation industry, accounting for 20% of all students attending FAA-certified Airframe & Powerplant (A&P) schools across the country. Each year, AIM proudly contributes to …