Operational Availability Of The Technical Object

The most important issue for each system is its effectiveness Ef, which depends on reliability, availability and maintainability (RAM). The operational availability (Ao) even for mature systems usually has large Improvement capabilities. One of the most critical parameter of Ao is ALDT (Administrative and Logistic Delay Time). The article presents most important aspects of operational availability, taking into account the helicopter operating from frigate as the object for analyzing. In spite of the fact that such helicopter is specific, the presented topic is common, and useful for each system, including ship propulsion system, its accessories and their reliability.