; and (D) consortia with experience in innovative technologies to reduce noise, emissions, and fuel burn in commercial aircraft. (2) Use of NASA facilities The Center shall consider utilizing the existing capacity in aeronautics research at the Langley Research Center, NASA John H. Glenn Center at the Neil A. Armstrong Test Facility, and other appropriate facilities of the National Aeronautics and Space Administration. . (b) Clerical amendment The analysis for chapter 445 of such title is amended by inserting after the item relating to section 44519 the following: 44520. Center of Excellence for Alternative Jet Fuels and Environment. . 917. Aircraft Noise Advisory Committee (a) Establishment Not later than 180 days after the date of enactment of this section, the Administrator shall establish an Aircraft Noise Advisory Committee (in this section referred to as the Advisory Committee) to advise the Administrator on issues facing the aviation community that are related to aircraft noise exposure and existing FAA noise policies and regulations. (b) Membership The Administrator shall appoint the members of the Advisory Committee, which shall be comprised of— (1) at least 1 representative of each of— (A) engine manufacturers; (B) air carriers; (C) airport owners or operators; (D) aircraft manufacturers; (E) advanced air mobility manufacturers or operators; (F) institutions of higher education; and (G) the National Aeronautics and Space Administration; and (2) representatives of airport-adjacent communities from geographically diverse regions. (c) Duties The duties of the Advisory Committee shall include— (1) the evaluation of existing research on aircraft noise impacts and annoyance; (2) the assessment of alternative noise metrics that could be used to supplement or replace the existing Day Night Level (DNL) standard; (3) the evaluation of the current 65-decibel exposure threshold, including the impact to land use compatibility around airports if such threshold was lowered