101 STAT. 1490
PUBLIC LAW 100-223—DEC. 30, 1987 (2) by striking out "For the purposes o f and all that follows through "remain available until expended." and inserting in lieu thereof the following: "(1) GENERAL AUTHORIZATION.—For the purposes of acquiring, establishing, and improving air navigation facilities under section 307(b) of the Federal Aviation Act of 1958 (49 U.S.C. App. 1348(b)), there are authorized to be appropriated from the Trust Fund for fiscal years beginning after September 30, 1981, aggregate amounts not to exceed $6,327,000,000 for fiscal years ending before October 1, 1987, $7,704,000,000 for fiscal years ending before October 1, 1988, $9,434,000,000 for fiscal years ending before October 1, 1989, and $11,625,200,000 for fiscal years ending before October 1, 1990. Amounts appropriated under this subsection shall remain available until expended. "(2) PURCHASE AND INSTALLATION OF INSTRUMENT LANDING SYSTEMS.— "(A) MINIMUM OBLIGATION LEVEL.—Of amounts made
available under paragraph (1) after September 30, 1987, the Secretary shall obligate not less than $27,000,000 in fiscal year 1988, $30,000,000 in fiscal year 1989, and $35,000,000 in fiscal year 1990 for the purposes of purchasing and installing instrument landing systems at airports under section 307(b) of the Federal Aviation Act of 1958. "(B) PRIMARY AND RELIEVER AIRPORTS.—75 percent of amounts obligated pursuant to subparagraph (A) in a fiscal year shall be made available for the purchase and installation of instrument landing systems at primary airports and reliever airports. "(C) OTHER AIRPORTS.—25 percent of amounts obligated pursuant to subparagraph (A) in a fiscal year shall be made aveiilable for the purchsise and installation of instrument landing systems at airports other than primary airports and reliever airports.", (b) RESEARCH, ENGINEERING AND DEVELOPMENT, AND DEMONSTRATIONS.—
49 USC app. 2205.
(1) IN GENERAL.—Section 506(b) is amended to read as follows: "(b) RESEARCH, ENGINEERING AND DEVELOPMENT, AND DEMONSTRATIONS.—
"(1) DEMONSTRATION PROJECTS.—The Secretary is authorized to carry out under section 312 of the Federal Aviation Act of 1958 (49 U.S.C. App. 1353) such demonstration projects as the Secretary determines necessary in connection with research and development activities under such section. "(2) GENERAL AUTHORIZATION.—For research, engineering and development, and demonstration projects and activities under section 312 of the Federal Aviation Act of 1958 and paragraph (1) of this subsection, there is authorized to be appropriated from the Trust Fund— "(A) for fiscal year 1988— "(i) $127,192,000 solely for air traffic control projects and activities; "(ii) $7,743,000 solely for air traffic control advanced computer projects and activities; "(iii) $9,818,000 solely for navigation projects and activities; . .
�
