108 STAT. 1198 PUBLIC LAW 103-272—JULY 5, 1994 a comparison of the environmental effects, including those that cannot be avoided, of the action of the Administrator of the Federal Aviation Administration and the proposed regulations of the Administrator of the Environmental Protection Agency. (f) EXEMPTIONS. —An exemption from a standard or regulation prescribed under this section may be granted only if, before granting the exemption, the Administrator of the Federal Aviation Administration consults with the Administrator of the Environmental Protection Agency. However, if the Administrator of the Federal Aviation Administration finds that safety in air transportation or air commerce requires an exemption before the Administrator of the Environmental Protection Agency can be consulted, the exemption may be granted. The Administrator of the Federal Aviation Administration shall consult with the Administrator of the Environmental Protection Agency as soon as practicable after the exemption is granted. § 44716. Collision avoidance systems (a) DEVELOPMENT AND CERTIFICATION.—The Administrator of the Federal Aviation Administration shall— (1) complete the development of the collision avoidance system known as TCAS-II so that TCAS-II can operate under visual and instrument flight rules and can be upgraded to the performance standards applicable to the collision avoidance system known as TCAS-III; (2) develop and carry out a schedule for developing and certifying TCAS-II that will result in certification not later than June 30, 1989; and Reports. (3) submit to Congress monthly reports on the progress being made in developing and certifying TCAS-II. Regulations. (b) INSTALLATION AND OPERATION.—The Administrator shall require by regulation that, not later than 30 months after the date certification is made under subsection (a)(2) of this section, TCAS-II be installed and operated on each civil aircraft that has a maximum passenger capacity of at least 31 seats and is used to provide air transportation of passengers, including intrastate air transportation of passengers. The'Administrator may extend the deadline in this subsection for not more than 2 years if the Administrator finds the extension is necessary to promote— (1) a safe and orderly transition to the operation of a fleet of civil aircraft described in this subsection equipped with TCAS-II; or (2) other safety objectives. (c) OPERATIONAL EVALUATION.—Not later than December 30, 1990, the Administrator shall establish a one-year program to collect and assess safety and operational information from civil aircraft equipped with TCAS-II for the operational evaluation of TCAS- II. The Administrator shall encourage foreign air carriers that operate civil aircraft equipped with TCAS-II to participate in the program. (d) AMENDING SCHEDULE FOR WINDSHEAR EQUIPMENT.— The Administrator shall consider the feasibility and desirability of amending the schedule for installing airborne low-altitude windshear equipment to make the schedule compatible with the schedule for installing TCAS-II.
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