; (3) collisions between advanced air mobility and unmanned aircraft systems of various sizes, traveling at various speeds, and blimps of various sizes, traveling at various speeds; (4) collisions between advanced air mobility and unmanned aircraft systems of various sizes, traveling at various speeds, and rotorcraft of various sizes, traveling at various speeds; and (5) collisions between advanced air mobility and unmanned aircraft systems and various parts of the aircraft specified in paragraph (1) through (4), including— (A) windshields; (B) noses; (C) engines; (D) radomes; (E) propellers; and (F) wings. (d) Report Not later than one year after the date of the enactment of this Act, the Administrator of the Federal Aviation Administration shall submit to the Committee on Science, Space, and Technology of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate a report summarizing the costs and results of research under subsection (c). (e) Study Not later than 30 days after the date of the enactment of this Act, the Administrator of the Federal Aviation Administration shall commission an independent study to— (1) develop parameters to conduct research and development for probabilistic metrics to enable the identification of hazards and the assessment of risks as necessary to make determinations under section 44807 of title 49, United States Code, that certain advanced air mobility and unmanned aircraft systems may operate safely in the national airspace system