; 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. Electric aircraft infrastructure (a) Definitions Section 47102 of title 49, United States Code, is amended— (1) in paragraph (3)(Q), as amended by section 601, by striking improve the reliability and efficiency of the airport’s power supply and inserting increase energy efficiency of the airport’s power supply or meet current and future power demand ; and (2) in paragraph (5)— (A) in subparagraph (B), by striking and after the semicolon; (B) in subparagraph (C), by striking the period at the end and inserting ; and ; and (C) by inserting after subparagraph (C), the following: (D) assessing current and future electrical power demand. . (b) Meeting current and future electrical power demand (1) In general Section 47140 of title 49, United States Code, is amended to read as follows: 47140. Meeting current and future electrical power demand (a) In general The Secretary of Transportation shall establish a program under which the Secretary shall do the following: (1) Encourage the sponsor of each public-use airport to— (A) conduct airport planning that assesses the airport’s— (i) current and future electrical power demand, including but not limited to— (I) heating and cooling