; additional provisions (a) In general Subtitle VII of title 49, United States Code, is amended by inserting after chapter 453 the following: 455 Unmanned Aircraft Systems Sec. 45501. Definitions. 45502. Integration of civil unmanned aircraft systems into national airspace system. 45503. Risk-based permitting of unmanned aircraft systems. 45504. Public unmanned aircraft systems. 45505. Special rules for certain unmanned aircraft systems. 45506. Certification of new air navigation facilities for unmanned aircraft and other aircraft. 45507. Special rules for certain UTM and low-altitude CNS. 45508. Operation of small unmanned aircraft. 45509. Special rules for model aircraft. 45510. Carriage of property for compensation or hire. 45501. Definitions In this chapter, the following definitions apply: (1) Aerial data collection The term aerial data collection means the gathering of data by a device aboard an unmanned aircraft during flight, including imagery, sensing, and measurement by such device. (2) Arctic The term Arctic means the United States zone of the Chukchi Sea, Beaufort Sea, and Bering Sea north of the Aleutian chain. (3) Certificate of waiver; certificate of authorization The terms certificate of waiver and certificate of authorization mean a Federal Aviation Administration grant of approval for a specific flight operation. (4) CNS The term CNS means a communication, navigation, or surveillance system or service. (5) Model Aircraft the term model aircraft means an unmanned aircraft that is— (A) capable of sustained flight in the atmosphere; (B) flown within visual line of sight of the person operating the aircraft