; (2) develop internal processes and procedures to assess the effects a proposed spectrum reallocation or auction may have on the national airspace system in a timely manner to ensure safety of the national airspace system; (3) improve external communication processes to better inform civil aviation stakeholders, including owners and operators of civil aircraft, on any comments or technical concerns of the FAA relating to a proposed spectrum reallocation or auction that may impact the national airspace system; and (4) better communicate to the National Telecommunications and Information Administration when a proposed spectrum reallocation or auction may pose a potential risk to aviation safety. (c) Stakeholder views In conducting the audit pursuant to subsection (a), the inspector general shall consult with relevant stakeholders, including— (1) air carriers operating under part 121 of title 14, Code of Federal Regulations; (2) manufacturers of aircraft and aircraft components; (3) wireless communication carriers; (4) labor unions representing pilots; (5) air traffic system safety specialists; (6) other representatives of the communications industry; (7) aviation safety experts; (8) the National Telecommunications and Information Administration; and (9) the Federal Communications Commission. (d) Report Not later than 2 years after the date on which the audit is conducted pursuant to subsection (a), the inspector general shall complete and submit a report on findings and recommendations to— (1) the Administrator; (2) the appropriate committees of Congress