Downloaded from https://www.everyspec.com MIL-STD-1808B SYSTEM SUB-SYSTEM TITLE DEFINITION 45 CENTRAL MAINTENANCE SYSTEM (CMS) The subsystem components that interface with multiple aircraft systems and provide checkout and fault isolation. Includes checkout and fault isolation procedures using a central computer complex and standard fault isolation procedures to locate a single system or component malfunction. 00 GENERAL 10 CMS/AIRCRAFT GENERAL The system CMS interface with General Aircraft systems and identification of maintenance functions related to Aircraft General.
20 CMS/AIRFRAME SYSTEMS The system CMS interface with Airframe systems and identification of maintenance functions related to Airframe systems. 30 UNASSIGNED 40 CMS/INTEGRATED AVIONICS SYSTEM The system CMS interface with Integrated Avionics systems and identification of maintenance functions related to Integrated Avionics systems. 50 CMS/STRUCTURES The CMS interface with Structures systems and identification of maintenance functions related to Structures systems. 60 CMS/PROPELLERS The CMS interface with Propeller systems and identification of maintenance functions related to Propeller systems.
70 CMS/POWER PLANT The CMS interface with Power Plant systems and identification of maintenance functions related to Power Plant systems. NOTE: Subsystem Code is selected to match applicable system interface. For example, 45-21-XX could identify all Air Conditioning system monitoring and testing provided by the CMS and would provide directions for using the CMS to execute those maintenance functions. Detailed testing not capable of coverage in System 45 would be appropriately cross referenced and provided in System 21. Similarly, 45-32-XX could identify landing gear monitoring and testing provided by the CMS. 45-45-XX could identify the CMS itself. 51