It provides a complete audit trail of decisions and design modifications. There are three types of CM information. This information is a result of the processes that identify, document, and verify the attributes. A third type is status information that tracks changes to the engineering or technical information. Status information usually comes in the form of reports that can be standardized or highly customized.
CM promotes an integrated discipline across the agency.
It reduces cost of developing, deploying, operating, and maintaining ATC systems and FAA facilities. It reduces risks of failures or unexpected results as well as provides a basis for metrics and facilitating system evaluation.