PUBLIC LAW 102-388 —OCT. 6, 1992 106 STAT. 1523 COAST GUARD OPERATING EXPENSES (INCLUDING TRANSFER OF FUNDS) For necessary expenses for the operation and maintenance of the Coast Guard, not otherwise provided for; purchase of not to exceed eight passenger motor vehicles for replacement only; pay- ments pursuant to section 156 of Public Law 97-377, as amended (42 U.S.C. 402 note), and section 229(b) of the Social Security Act (42 U.S.C. 429(b)); and recreation and welfare; $2,558,000,000, of which $253,000,000 shall be available only to the extent transferred from the Department of Defense; of which $25,000,000 shall be derived fix)m the Oil Spill Liability Trust Fund; and of which $32,250,000 shall be expended from the Boat Safety Account: Provided, That the number of aircraft on hand at any one time shall 14 USC 92 note. not exceed two hundred and twenty-three, exclusive of planes and parts stored to meet future attrition: Provided further. That none of the funds appropriated in this or any other Act shall be available for pay or administrative expenses in connection with shipping commissioners in the United States: Provided further. That none of the funds provided in this Act shall be available for expenses incurred for yacht documentation under 46 U.S.C. 12109, except to the extent fees are collected from yacht owners and credited to this appropriation. ACQUISITION, CONSTRUCTION, AND IMPROVEMENTS For necessary expenses of acquisition, construction, rebuilding, and improvement of aids to navigation, shore facilities, vessels, and aircrcdt, including equipment related thereto, $340,000,000, of which $35,640,000 shall be derived from the Oil Spill Liability Trust Fund; of which $92,450,000 shall be available to acquire, repair, renovate or improve vessels, small boats and related equipment, to remain available until September 30, 1997; $31,300,000 shall be available to acquire new aircraft and increase aviation capability, to remain available until September 30, 1995; $56,565,000 shall be available for other equipment, to remain available until September 30, 1995; $123,685,000 shall be available for shore facilities and aids to navigation facilities, to remain available until September 30, 1995; and $36,000,000 shall be available for personnel compensation and benefits and related costs, to remain available until September 30, 1993. ENVIRONMENTAL COMPLIANCE AND RESTORATION For necessary expenses to carry out the Coast Guard's environmental compliance and restoration functions under chapter 19 of title 14, United States Code, $22,000,000, to remain available until expended. ALTERATION OF BRIDGES For necessary expenses for alteration or removal of obstructive bridges, $12,600,000, to remain available until expended.