AIRCRAFT ENGINE STANDARDS.

SEC. 406. AIRCRAFT ENGINE STANDARDS. (a) Standards and Regulations.— Subsection (a)(1) of section 44715 is amended to read as follows: “(a) Standards and Regulations.— (1) (A) To relieve and protect the public health and welfare from aircraft noise and sonic boom, the Administrator of the Federal Aviation Administration, as he deems necessary, shall prescribe— “(i) standards to measure aircraft noise and sonic boom; and “(ii) regulations to control and abate aircraft noise and sonic boom. “(B) The Administrator, as the Administrator deems appropriate, shall provide for the participation of a representative of the Environmental Protection Agency on such advisory committees or associated working groups that advise the Administrator on matters related to the environmental effects of aircraft and aircraft engines.”. (b) Interagency Cooperation.— Section 231(a)(2) of the Clean Air Act (42 U.S.C. 7571(a)(2)) is amended— (1) by inserting “(A)” before “The Administrator”; and (2) by adding at the end the following: “(B) (i) The Administrator shall consult with the Administrator of the Federal Aviation Administration on aircraft engine emission standards. “(ii) The Administrator shall not change the aircraft engine emission standards if such change would significantly increase noise and adversely affect safety”.