IEC/PAS 62647-22:2011(E) is intended for use as technical guidance by Aerospace system Suppliers, e.g., Aerospace system Original Equipment Manufacturers and Aerospace system maintenance facilities, in developing and implementing designs and processes to ensure the continued performance, quality, reliability, safety, airworthiness, configuration control, affordability, maintainability, and supportability of high performance aerospace systems (subsequently referred to as AHP) both during and after the transition to Pb-Free electronics.