MIL-STD-1798 Mechanical Equipment And Subsystems Integrity ProgramThe purpose of this standard is to describe the general process to achieve and maintain the physical and functional integrity of the mechanical elements of aircraft systems. The goal of this integrity program is to achieve the desired level of safety and aircraft availability at the most economic cost across the life cycle of the weapon system. This standard allows the process to be tailored in a competitive environment to meet specific equipment, subsystem, and/or system requirements. The Mechanical Equipment and Subsystems Integrity Program MECSIP is implemented in the planning process and continued until retirement of the system.

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MIL-STD-1798C

effectiveness, reliability, and durability of a system or its components. The MECSIP Manager shall:

a. update and maintain the MECSIP Master Plan as necessary to reflect the needs associated with sustainment;

b. establish and monitor a component tracking program ;

c. establish preventive maintenance actions;

d. establish repair/overhaul procedures;

e. establish inspection criteria;

f. update and maintain FMECA and HA reports; and

g. establish appropriate life limits for all safety-critical components.

It will be easier to comply with MECSIP Force Management tasks if the program enters the sustainment phase with a robust execution of MECSIP Tasks I through IV, but completing Tasks I through IV is not essential for a successful MECSIP sustainment program. Many aircraft programs will initiate their MECSIP Programs in the sustainment phase.