; and (B) introducing alternative modes of transportation for multimodal operations within communities. (2) Impacts to airport-adjacent communities, including implications due to changes in airspace utilization and land use compatibility. (d) Report to Congress Not later than 2 years after the date of enactment of this Act, the Comptroller General shall submit to the covered committees of Congress and the Committee on Transportation and Infrastructure of the House of Representatives a report on the results of the study conducted under subsection (a) and recommendations for such legislation and administrative action as the Comptroller General determines appropriate. (e) Definitions In this section: (1) Electric aircraft The term electric aircraft means an aircraft with a fully electric or hybrid electric driven propulsion system used for flight. (2) Advanced air mobility The term advanced air mobility means a transportation system that transports passengers and cargo by air between two points in the United States using aircraft with advanced technologies, including aircraft with hybrid or electric vertical take-off and landing capabilities, in both controlled and uncontrolled airspace. 1013. Contract weather observers program Section 2306 of the FAA Extension, Safety, and Security Act of 2016 ( Public Law 114–190 ; 130 Stat. 641) is amended by striking subsection (b) and inserting the following: (b) Continued use of contract weather observers The Administrator may not discontinue or diminish the contract weather observer program at any airport until September 30, 2028. . 1014. Airfield pavement technology program Section 744 of the FAA Reauthorization Act of 2018 ( Public Law 115–254