<div class="htmlview paragraph">The correct integration of the Automatic Flight Control System (AFCS), into an aircraft will provide the best performance that a system can produce. Improper integration of the AFCS, along with poor installation practices, account for the majority of problems.</div> <div class="htmlview paragraph">The Avionics subsystems are becoming increasingly complex, using digital designs, and the components used are much more fragile than in previous avionics.</div> <div class="htmlview paragraph">The AFCS integration requirements must include consideration of regulatory requirements, location of the equipment, installation design criteria, human factors, sensor installation tolerances, interfaces with aircraft systems, and customer special requirements.</div>