property rights of United States entities. Sec. 646. Ensuring that certain projects related to natural hazards and emergency management are eligible for funding under the Federal Aviation Administration's airport improvement program. Sec. 647. Visual weather observation systems. Sec. 648. Transfers of air traffic systems acquired with AIP funding. Sec. 649. Consideration of small hub control towers. Sec. 650. Codification of FAA notice of policy relating to addressing disputed changes of sponsorship at Federally obligated, publicly owned airports. Sec. 651. Eligible revenue-producing facilities at rural public-use general aviation airports. Sec. 652. Increasing the energy efficiency of airport power sources. TITLE VII—AIR SERVICE IMPROVEMENTS Subtitle A—Consumer Enhancements Sec. 701. Advisory committee for aviation consumer protection. Sec. 702. Refunds. Sec. 703. Airline passenger rights transparency act. Sec. 704. Disclosure of ancillary fees. Sec. 705. Access to customer service assistance for all travelers. Sec. 706. Frequent flyer programs and vouchers. Sec. 707. Airline customer service dashboards. Sec. 708. Annual briefings on disruptions of passenger air transportation and periods of mass cancellations of scheduled flights. Sec. 709. Enhancing child safety. Sec. 710. Codification of consumer protection provisions. Sec. 711. GAO study on competition and consolidation in the air carrier industry. Sec. 712. GAO study and report on the operational preparedness of air carriers for preparing for changing weather and other events related to changing conditions and natural hazards. Sec. 713. Increase in civil penalties. Sec. 714. Family seating. Sec. 715. Establishment of Office of Aviation Consumer Protection. Sec. 716. Extension of aviation consumer advocate reporting requirement. Sec. 717. Additional within and beyond perimeter slot exemptions at Ronald Reagan Washington National Airport. Subtitle B—Accessibility Sec. 731. Extension of the advisory committee on the air travel needs of passengers with