used by the Administrator to determine whether to approve or disapprove the airworthiness of an unmanned aircraft pursuant to part 36 of title 14, Code of Federal Regulations. (2) Substantive criteria and standards metrics In establishing the substantive criteria and standards metrics as required under paragraph (1), the Administrator shall include such criteria and metrics related to the airworthiness of unmanned aircraft for the following: (A) Noise impacts. (B) Visual impacts. (3) Publication The Administrator shall publish in the Federal Register and post on a website of the Federal Aviation Administration the criteria and metrics established pursuant to paragraph (1). (f) Definition of unmanned aircraft system In this section, the term unmanned aircraft system has the meaning given such term in section 44801 of title 49, United States Code.