PART C -- FINANCING                                
                                                                               
        CHAPTER 481 -- AIRPORT AND AIRWAY TRUST FUND AUTHORIZATIONS            
      Sec.                                                                     
      48101.  Air navigation facilities.                                       
      48102.  Research and development.                                        
      48103.  Airport planning and development and noise compatibility         
              planning and programs.                                           
      48104.  Certain direct costs and joint air navigation services.          
      48105.  Weather reporting services.                                      
      48106.  Airway science curriculum grants.                                
      48107.  Civil aviation security research and development.                
      48108.  Availability and uses of amounts.                                
      48109.  Submission of budget information and legislative                 
              recommendations and comments.                                    
      48110.  Facilities for advanced training of maintenance                  
              technicians for air carrier aircraft.                            
                                                                               
      Sec. 48101. Air navigation facilities                                    
            (a) General Authorization of Appropriations. -- Not more           
      than a total of the following amounts may be appropriated to the         
      Secretary of Transportation out of the Airport and Airway Trust          
      Fund established under section 9502 of the Internal Revenue Code         
      of 1986 (26 U.S.C. 9502) to acquire, establish, and improve air          
      navigation facilities under section 44502(a)(1)(A) of this title:        
                (1) for the fiscal years ending September 30,                  
            1991-1993, $8,200,000,000.                                         
                (2) for the fiscal years ending September 30,                  
            1991-1994, $11,100,000,000.                                        
                (3) for the fiscal years ending September 30,                  
            1991-1995, $14,000,000,000.                                        
            (b) Major Airway Capital Investment Plan Changes. -- If the        
      Secretary decides that it is necessary to augment or                     
      substantially modify elements of the Airway Capital Investment           
      Plan referred to in section 44501(b) of this title (including a          
      decision that it is necessary to establish more than 23 area             
      control facilities), not more than $100,000,000 may be                   
      appropriated to the Secretary out of the Fund for the fiscal year        
      ending September 30, 1994, to carry out the augmentation or              
      modification.                                                            
            (c) Availability of Amounts. -- Amounts appropriated under         
      this section remain available until expended.                            
                                                                               
      Sec. 48102. Research and development                                     
            (a) Authorization of Appropriations. -- Not more than the          
      following amounts may be appropriated to the Secretary of                
      Transportation out of the Airport and Airway Trust Fund                  
      established under section 9502 of the Internal Revenue Code of           
      1986 (26 U.S.C. 9502) to carry out sections 44504, 44505, 44507,         
      44509, and 44511-44513 of this title:                                    
                (1) for the fiscal year ending September 30, 1993 --           
                    (A) $14,700,000 only for management and analysis           
                projects and activities.                                       
                    (B) $87,000,000 only for capacity and air traffic          
                management technology projects and activities.                 
                    (C) $28,000,000 only for communications,                   
                navigation, and surveillance projects and activities.          
                    (D) $7,700,000 only for weather projects and               
                activities.                                                    
                    (E) $6,800,000 only for airport technology projects        
                and activities.                                                
                    (F) $44,000,000 only for aircraft safety technology        
                projects and activities.                                       
                    (G) $41,100,000 only for system security technology        
                projects and activities.                                       
                    (H) $31,000,000 only for human factors and aviation        
                medicine projects and activities.                              
                    (I) $4,500,000 for environment and energy projects         
                and activities.                                                
                    (J) $5,200,000 for innovative and cooperative              
                research projects and activities.                              
                (2) for the fiscal year ending September 30, 1994,             
            $297,000,000.                                                      
            (b) Availability for Research. -- (1) At least 15 percent          
      of the amount appropriated under subsection (a) of this section          
      shall be for long-term research projects.                                
            (2) At least 3 percent of the amount appropriated under            
      subsection (a) of this section shall be available to the                 
      Administrator of the Federal Aviation Administration to make             
      grants under section 44511 of this title.                                
            (c) Transfers Between Categories. -- (1) Not more than 10          
      percent of the net amount authorized for a category of projects          
      and activities in a fiscal year under subsection (a) of this             
      section may be transferred to or from that category in that              
      fiscal year.                                                             
            (2) The Secretary may transfer more than 10 percent of an          
      authorized amount to or from a category only after --                    
                (A) submitting a written explanation of the proposed           
            transfer to the Committees on Science, Space, and                  
            Technology and Appropriations of the House of                      
            Representatives and the Committees on Commerce, Science,           
            and Transportation and Appropriations of the Senate; and           
                (B) 30 days have passed after the explanation is               
            submitted or each Committee notifies the Secretary in              
            writing that it does not object to the proposed transfer.          
            (d) Airport Capacity Research and Development. -- (1) Of           
      the amounts made available under subsection (a) of this section,         
      at least $25,000,000 may be appropriated each fiscal year for            
      research and development under section 44505(a) and (c) of this          
      title on preserving and enhancing airport capacity, including            
      research and development on improvements to airport design               
      standards, maintenance, safety, operations, and environmental            
      concerns.                                                                
            (2) The Administrator shall submit to the Committees on            
      Science, Space, and Technology and Public Works and                      
      Transportation of the House of Representatives and the Committee         
      on Commerce, Science, and Transportation of the Senate a report          
      on expenditures made under paragraph (1) of this subsection for          
      each fiscal year.  The report shall be submitted not later than          
      60 days after the end of the fiscal year.                                
            (e) Air Traffic Controller Performance Research. --                
      Necessary amounts may be appropriated to the Secretary out of            
      amounts in the Fund available for research and development to            
      conduct research under section 44506(a) and (b) of this title.           
            (f) Availability of Amounts. -- Amounts appropriated under         
      subsection (a) of this section remain available until expended.          
                                                                               
      Sec. 48103. Airport planning and development and noise                   
      compatibility planning and programs Not more than a total of             
      $15,966,700,000 is available to the Secretary of Transportation          
      for the fiscal years ending September 30, 1982-1993, out of the          
      Airport and Airway Trust Fund established under section 9502 of          
      the Internal Revenue Code of 1986 (26 U.S.C. 9502) to make grants        
      for airport planning and airport development under section 47104         
      of this title, airport noise compatibility planning under section        
      47505(a)(2) of this title, and carrying out noise compatibility          
      programs under section 47504(c) of this title.                           
      Sec. 48104. Certain direct costs and joint air navigation                
      services                                                                 
            (a) Authorization of Appropriations. -- Except as provided         
      in this section, the balance of the money available in the               
      Airport and Airway Trust Fund established under section 9502 of          
      the Internal Revenue Code of 1986 (26 U.S.C. 9502) may be                
      appropriated to the Secretary of Transportation out of the Fund          
      for --                                                                   
                (1) direct costs the Secretary incurs to flight check,         
            operate, and maintain air navigation facilities referred to        
            in section 44502(a)(1)(A) of this title safely and                 
            efficiently; and                                                   
                (2) the costs of services provided under international         
            agreements related to the joint financing of air navigation        
            services assessed against the United States Government.            
            (b) Limitation. -- The amount that may be appropriated out         
      of the Fund for each of the fiscal years ending September 30,            
      1993-1995, may not be more than an amount equal to --                    
                (1) 75 percent of the amount made available under              
            sections 106(k) and 48101-48103 of this title for that             
            fiscal year; less                                                  
                (2) the amount made available under sections                   
            48101-48103 of this title for that fiscal year.                    
                                                                               
      Sec. 48105. Weather reporting services                                   
            To reimburse the Secretary of Commerce for the cost                
      incurred by the National Oceanic and Atmospheric Administration          
      of providing weather reporting services to the Federal Aviation          
      Administration, the Secretary of Transportation may expend from          
      amounts available under section 48104 of this title not more than        
      the following amounts:                                                   
                (1) for the fiscal year ending September 30, 1993,             
            $35,596,000.                                                       
                (2) for the fiscal year ending September 30, 1994,             
            $37,800,000.                                                       
                (3) for the fiscal year ending September 30, 1995,             
            $39,000,000.                                                       
                                                                               
      Sec. 48106. Airway science curriculum grants                             
            Amounts are available from the Airport and Airway Trust            
      Fund established under section 9502 of the Internal Revenue Code         
      of 1986 (26 U.S.C. 9502) to carry out section 44510 of this              
      title.  The amounts remain available until expended.                     
                                                                               
      Sec. 48107. Civil aviation security research and development             
            After the review under section 44912(b) of this title is           
      completed, necessary amounts may be appropriated to the Secretary        
      of Transportation out of the Airport and Airway Trust Fund               
      established under section 9502 of the Internal Revenue Code of           
      1986 (26 U.S.C. 9502) to make grants under section                       
      44912(a)(4)(A).                                                          
                                                                               
      Sec. 48108. Availability and uses of amounts                             
            (a) Availability of Amounts. -- Amounts equal to the               
      amounts authorized under sections 48101-48105 of this title              
      remain in the Airport and Airway Trust Fund established under            
      section 9502 of the Internal Revenue Code of 1986 (26 U.S.C.             
      9502) until appropriated for the purposes of sections 48101-             
      48105.                                                                   
            (b) Limitations on Uses. -- (1) Amounts in the Fund may be         
      appropriated only to carry out a program or activity referred to         
      in this chapter.                                                         
            (2) Amounts in the Fund may be appropriated for                    
      administrative expenses of the Department of Transportation or a         
      component of the Department only to the extent authorized by             
      section 48104 of this title.                                             
            (c) Limitation on Obligating or Expending Amounts. -- In a         
      fiscal year beginning after September 30, 1995, the Secretary of         
      Transportation may obligate or expend an amount appropriated out         
      of the Fund under section 48104 of this title only if a law              
      expressly amends section 48104.                                          
                                                                               
      Sec. 48109. Submission of budget information and legislative             
      recommendations and comments When the Administrator of the               
      Federal Aviation Administration submits to the Secretary of              
      Transportation, the President, or the Director of the Office             
      of Management and Budget any budget information, legislative             
      recommendation, or comment on legislation about amounts                  
      authorized in section 48101 or 48102 of this title, the                  
      Administrator concurrently shall submit a copy of the                    
      information, recommendation, or comment to the Speaker of the            
      House of Representatives, the Committees on Public Works and             
      Transportation and Appropriations of the House, the President of         
      the Senate, and the Committees on Commerce, Science, and                 
      Transportation and Appropriations of the Senate.                         
                                                                               
      Sec. 48110. Facilities for advanced training of maintenance              
      technicians for air carrier aircraft For the fiscal years ending         
      September 30, 1993-1995, amounts necessary to carry out section          
      44515 of this title may be appropriated to the Secretary of              
      Transportation out of the Airport and Airway Trust Fund                  
      established under section 9502 of the Internal Revenue Code of           
      1986 (26 U.S.C. 9502).  The amounts remain available until               
      expended.