104 STAT. 2160 PUBLIC LAW 101-516—NOV. 5, 1990 including processing of major repair and alteration forms: Provided further. That none of these funds shall be available for new applicants for the second career training program or for a pilot test of contractor maintenance: Provided further. That the immediately preceding proviso shall not prohibit the augmentation of the existing field maintenance work force if it is determined to be essential for the safe operation of the air traffic control system: Provided further. That, of the funds available under this head, $3,250,000 shall be made available for the Federal Aviation Administration to enter into contractual agreement with the Mid-American Aviation Resource Consortium in Minnesota to operate an air traffic controller training program. FACILITIES AND EQUIPMENT (AIRPORT AND AIRWAY TRUST FUND) For necessary expenses, not otherwise provided for, for acquisition, establishment, and improvement by contract or purchase, and hire of air navigation and experimental facilities as authorized by the Federal Aviation Act of 1958, as amended (49 U.S.C. App. 1301 et seq.), including initial acquisition of necessary sites by lease or grant; engineering and service testing including construction of test facilities and acquisition of necessary sites by lease or grant; and construction and furnishing of quarters and related accommodations of officers and employees of the Federal Aviation Administration stationed at remote localities where such accommodations are not available; to be derived from the Airport and Airway Trust Fund and to remain available until September 30, 1995, $2,095,407,000: Provided, That there may be credited to this appropriation funds received from States, counties, municipalities, other public authorities, and private sources, for expenses incurred in the establishment and modernization of air navigation facilities: Provided further, 49 USC app. That with appropriations made for the Airway Science Program, as 1354a. authorized below in this section, the Federal Aviation Administration may hereafter enter into competitive grant agreements with institutions of higher education having airway science curricula, for the Federal share of the allowable direct costs of the following categories of items, to the extent that such items are in support of airway science curricula: (a) the construction, purchase, or lease with option to purchase, of buildings and associated facilities, and 0^) instructional materials and equipment. Such funds are hereby authorized to be appropriated and may remain available until expended, as provided in such Acts. The Federal Aviation Administration shall establish guidelines for determining the direct costs allowable under grants to be made pursuant to this section. The maximum Federal share of the allowable cost of any project assisted by such grants shall be fifty percent. RESEARCH, ENGINEERING, AND DEVELOPMENT (AIRPORT AND AIRWAY TRUST FUND) For necessary expenses, not otherwise provided for, for research, engineering, and development, in accordance with the provisions of the Federal Aviation Act of 1958, as amended (49 U.S.C. App. 1301 et seq.), including construction of experimental facilities and acquisi-
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