// Continued airworthiness
S4A, GLOBAL ASSISTANCE.
S4A offers continued airworthiness support to all types of aircraft operators according to EASA regulations part M, Subpart G. To provide this service, S4A offers the following professional activities:
Analysis and planning of airworthiness directives.
Analysis of service bulletins.
Follow-up of the reliability (systems and resource management).
Development and changes in the maintenance program.