104 STAT. 1388-364 PUBLIC LAW 101-508 —NOV. 5, 1990 (c) CONFORMING AMENDMENTS.— Section 333 of Public Law 100- 457 and section 325(a) of Public Law 101-164 are repealed. SEC. 9114. STATE BLOCK GRANT PILOT PROGRAM. Section 534 of the Airport and Airway Improvement Act of 1982 (49 U.S.C. App. 2227) is amended— (1) in subsection (a) by striking "1991" and inserting "1992"; and (2) in subsection (d) by striking "not later than 90 days before its scheduled termination" and inserting "not later than January 31, 1992". 49 USC app. SEC. 9115. AUXILIARY FLIGHT SERVICE STATION PROGRAM. (a) GENERAL RULE. —The Secretary of Transportation shall develop and implement a system of manned auxiliary flight service stations. The auxiliary flight service stations shall supplement the services of the plgmned consolidation to 61 automated flight service stations under the flight service station modernization program. Auxiliary flight service stations shall be located in areas of unique weather or operational conditions which are criticed to the safety of flight. (b) REPORT TO CONGRESS. —Not later than 180 days after the date of the enactment of this Act, the Secretary of Transportation shall report to Congress with the plan and schedule for implementation of this section. SEC. 9116. AIRPORT AND AIRWAY IMPROVEMENTS FOR THE VIRGIN ISLANDS. (a) AIR SPACE STUDY.— The Administrator of the Federal Aviation Administration shall conduct an air space study of the Caribbean and Miami air traffic control regions for the purpose of determining methods of improving air safety and report to Congress the results of such study. (b) OPERATIONS OF AIRPORT TOWERS FOR ST. THOMAS AND ST. CROIX.— The Administrator may not enter into contracts with private persons for operation of the airport control towers for St. Thomas and St. Croix, Virgin Islands, before the 30th day following the date on which a report is submitted to Congress under subsection (a). (c) REPLACEMENT OP RADAR FACILITIES FOR ST. THOMAS.— The Administrator shall take such action as may be necessary to ensure that the radar facilities for the airport on St. Thomas, Virgin Islands, which were destroyed by Hurricane Hugo are replaced and operational by the 120th day following the date of the enactment of this Act. SEC. 9117. ENGINE CONDITION MONITORING SYSTEMS. (a) STUDY.—The Administrator of the Federal Aviation Administration shall conduct a study of the potential use of engine condition monitoring systems on aircraft. In conducting such study, the Administrator shall evaluate— (1) the availability of technology for such systems; (2) the capabilities of such systems in terms of enhancing safety and reducing maintenance costs associated with civil and military aircraft;
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