; 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. 635. Coastal airports resiliency study (a) Study The Administrator shall work with the Administrator of the National Oceanic and Atmospheric Administration and the United States Army Corps of Engineers to identify best practices for, and study the feasibility of, improving resiliency of airports in coastal or flood-prone areas. (b) Report Not later than 2 years after the date of enactment of this section, the Administrator shall submit to Congress a report describing the results of the study conducted under subsection (a), together with such recommendations for legislation or administrative action as the Administrator determines appropriate. 636. Survey of power distribution capacity Section 47140(a) of title 49, United States Code, is amended by inserting power distribution capacity and location, after back-up power, . 637. Study on competition and airport access Not later than 180 days after the date of enactment of this section, the Secretary shall report to the appropriate committees of Congress— (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, but not limited to, New York John F. Kennedy International Airport (JFK) and New York/Newark Liberty International Airport (EWR)