DERIVATION OF MAINTAINABILITY REQUIREMENTS FOR MILITARY WEAPONS SYSTEMS
GENERAL ELECTRIC CO SANTA BARBARA CA
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A philosophy of approach and a method for deriving certain specific maintainability design requirements are discussed. The importance of matching M requirements to mission objectives through the connecting link of system downtime is emphasized. M requirements have evolved rapidly in a matter of months from being completely non-existent to being, in some cases, elaborate detailed specifications. A serious danger exists that overspecification of details and data requirements on the part of the military customer will inhibit this necessary future research. Some current specifications, while performing a real advance by quantifying M, restrict the military contractor significantly in his latitude of approaches to solving the M problem. A contractor should be asked to develop tools, such as predictive system models, early in the RD stage of a new weapons system it is probably not desirable to dictate detailed M data requirements and analytical techniques at this early stage. Rather the contractor should be required to meet broad system requirements, should be given maximum flexibility to do so, and should be held rigidly accountable for his final performance.