; (2) is physically attached to a ground station with a taut, appropriately load-rated tether that provides continuous power to the unmanned aircraft; and (3) is capable of being controlled and retrieved by such ground station through physical manipulation of the tether. 348. Report on possible unmanned aircraft systems operation on spectrum allocated for aviation use (a) In general Not later than 180 days after the date of enactment of this Act, and after consultation with relevant stakeholders, the Federal Aviation Administration, the National Telecommunications and Information Administration, and the Federal Communications Commission, shall submit to the Committee on Commerce, Science, and Transportation of the Senate, the Committee on Transportation and Infrastructure of the House of Representatives, and the Committee on Energy and Commerce of the House of Representatives a report— (1) on whether unmanned aircraft systems operations should be permitted on spectrum designated for aviation use, on an unlicensed, shared, or exclusive basis, for operations within the UTM system or outside of such a system; (2) that addresses any technological, statutory, regulatory, and operational barriers to the use of such spectrum for unmanned aircraft systems operations