Aero Linx: Aeronautical Repair Station Association (ARSA) ARSA represents the global aerospace maintenance industry by advocating for the uniform and consistent enforcement of government regulations. ARSA educates aerospace professionals, engages regulators, and advocates to elected officials. Representing organizations ranging from global corporations to small, independent businesses across the world, ARSA develops practical tools to help members navigate government requirements while enhancing safety, efficiency, and productivity.