Summary Responsible and accountable for the verification of performance and reliability of numerous interrelated systems providing a range of services essential to the operation of the National Airspace System (NAS). Includes input required for final certification of facilities and flight procedures, ultimately leading to the safe & efficient movement of air traffic in the NAS. Career-ladder position, required to participate in formal and/or on-the-job training to develop to an FG-13. Responsibilities FG-11: Responsible and accountable for the verification of performance and reliability of numerous interrelated systems providing a range of services essential to the operation of the National Air Space (NAS). Determines to what degree the facility supports the approved instrument flight procedure(s) associated with those facilities inspected. FG-12/13: Responsible and accountable for the verification of performance and reliability of numerous interrelated systems providing a range of ser...