and Reform Act of 2012 ( 49 U.S.C. 40101 note), as in effect on the day before the date of enactment of the Federal Aviation Administration Reauthorization Act of 2017 , and any public entity authorized by the Federal Aviation Administration as an unmanned aircraft system flight test center before January 1, 2009. (10) unmanned aircraft means an aircraft that is operated without the possibility of direct human intervention from within or on the aircraft. (11) unmanned aircraft system means an unmanned aircraft and associated elements (including communication links and the components that control the unmanned aircraft) that are required for the operator to operate safely and efficiently in the national airspace system. . (b) Table of chapters The table of chapters for subtitle VII is amended by inserting after the item relating to chapter 447 the following: 448. Unmanned aircraft systems 44801 . 2122. Utilization of unmanned aircraft system test sites (a) In general Chapter 448, as designated by section 2121 of this Act, is amended by inserting after section 44801 the following: 44802. Unmanned aircraft system test sites (a) (1) In general The Administrator of the Federal Aviation Administration shall establish and update, as appropriate, a program for the use of the test sites to facilitate the safe integration of unmanned aircraft systems into the national airspace system. (2) Termination The program shall terminate on September 30, 2021. (b) Program requirements In establishing the program under subsection (a), the Administrator shall— (1) designate airspace for safely testing the integration of unmanned flight operations in the national airspace system