; and (2) making the database under part 157 of title 14, Code of Federal Regulations, more accurate and useful for aircraft operators, particularly for helicopter and rotary wing type aircraft operators. 764. Study on competition and airport access Not later than 180 days after the date of enactment of this Act, the Secretary shall brief the appropriate committees of Congress on— (1) specific actions the Secretary and the Administrator, using existing legal authority, can take to expand access for lower cost passenger air carriers to capacity constrained airports in the United States, including New York John F. Kennedy International Airport, LaGuardia Airport, and Newark Liberty International Airport