(2) by inserting ‘‘or the Airport and Airway Ex-
tension Act of 2011, Part II’’ before the semicolon 
at the end of subparagraph (A). 
(b) CONFORMING AMENDMENT.—Paragraph (2) of 
section 9502(e) of such Code is amended by striking 
‘‘June 1, 2011’’ and inserting ‘‘July 1, 2011’’. 
(c) EFFECTIVE DATE.—The amendments made by 
this section shall take effect on June 1, 2011. 
SEC. 4. EXTENSION OF AIRPORT IMPROVEMENT PROGRAM. 
(a) AUTHORIZATION OF APPROPRIATIONS.— 
(1) IN GENERAL.—Section 48103 of title 49, 
United States Code, is amended by striking para-
graph (8) and inserting the following: 
‘‘(8) $2,636,250,000 for the 9-month period be-
ginning on October 1, 2010.’’. 
(2) OBLIGATION OF AMOUNTS.—Subject to lim-
itations specified in advance in appropriation Acts, 
sums made available pursuant to the amendment 
made by paragraph (1) may be obligated at any time 
through September 30, 2011, and shall remain avail-
able until expended. 
(3) PROGRAM
IMPLEMENTATION.—For pur-
poses of calculating funding apportionments and 
meeting other requirements under sections 47114, 
47115, 47116, and 47117 of title 49, United States
Code, for the 9-month period beginning on October 
1, 2010, the Administrator of the Federal Aviation 
Administration shall— 
(A) first calculate funding apportionments 
on an annualized basis as if the total amount 
available under section 48103 of such title for 
fiscal year 2011 were $3,515,000,000; and 
(B) then reduce by 15 percent— 
(i) all funding apportionments cal-
culated under subparagraph (A); and 
(ii) amounts available pursuant to sec-
tions 47117(b) and 47117(f)(2) of such 
title. 
(b) PROJECT GRANT AUTHORITY.—Section 47104(c) 
of such title is amended by striking ‘‘May 31, 2011,’’ and 
inserting ‘‘June 30, 2011,’’. 
SEC. 5. EXTENSION OF EXPIRING AUTHORITIES. 
(a) Section 40117(l)(7) of title 49, United States 
Code, is amended by striking ‘‘June 1, 2011.’’ and insert-
ing ‘‘July 1, 2011.’’. 
(b) Section 44302(f)(1) of such title is amended— 
(1) by striking ‘‘May 31, 2011,’’ and inserting 
‘‘June 30, 2011,’’; and 
(2) by striking ‘‘August 31, 2011,’’ and insert-
ing ‘‘September 30, 2011,’’.
(c) Section 44303(b) of such title is amended by 
striking ‘‘August 31, 2011,’’ and inserting ‘‘September 30, 
2011,’’. 
(d) Section 47107(s)(3) of such title is amended by 
striking ‘‘June 1, 2011.’’ and inserting ‘‘July 1, 2011.’’. 
(e) Section 47115(j) of such title is amended by strik-
ing ‘‘June 1, 2011,’’ and inserting ‘‘July 1, 2011,’’. 
(f) Section 47141(f) of such title is amended by strik-
ing ‘‘May 31, 2011.’’ and inserting ‘‘June 30, 2011.’’. 
(g) Section 49108 of such title is amended by striking 
‘‘May 31, 2011,’’ and inserting ‘‘June 30, 2011,’’. 
(h) Section 161 of the Vision 100—Century of Avia-
tion Reauthorization Act (49 U.S.C. 47109 note) is 
amended by striking ‘‘June 1, 2011,’’ and inserting ‘‘July 
1, 2011,’’. 
(i) Section 186(d) of such Act (117 Stat. 2518) is 
amended by striking ‘‘June 1, 2011,’’ and inserting ‘‘July 
1, 2011,’’. 
(j) The amendments made by this section shall take 
effect on June 1, 2011. 
Passed the House of Representatives May 23, 2011. 
Attest: 
Clerk.
112TH CONGRESS 
1ST SESSION 
H. R. 1893 
AN ACT 
To amend the Internal Revenue Code of 1986 to 
extend the funding and expenditure authority of 
the Airport and Airway Trust Fund, to amend 
title 49, United States Code, to extend the air-
port improvement program, and for other pur-
poses.