; (E) additional investments in new infrastructure and systems required to meet operations demand; and (F) management of infrastructure relating to hazardous materials used in hybrid and electric propulsion; and (5) varying types of electric aircraft, including advanced air mobility aircraft and small or regional passenger or cargo aircraft. (c) Considerations In conducting the study under subsection (a), the Comptroller General may consider the following: (1) The potential for improvements to air service connectivity for communities through the deployment of electric aircraft operations, including by— (A) establishing routes to small and rural communities; 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 section, the Comptroller General shall submit to the appropriate committees of Congress a report on the results of the study conducted under subsection (a), together with 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. 911. Contract weather observers program Section 2306 of the FAA Extension, Safety, and Security Act of 2016 ( Public Law 114–190