H. R. 4957 
One Hundred Eleventh Congress 
of the 
United States of America 
AT THE SECOND SESSION 
Begun and held at the City of Washington on Tuesday, 
the fifth day of January, two thousand and ten 
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 authorizations for the airport improvement program, and 
for other purposes. 
Be it enacted by the Senate and House of Representatives of 
the United States of America in Congress assembled, 
SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘Federal Aviation Administration 
Extension Act of 2010’’. 
SEC. 2. EXTENSION OF TAXES FUNDING AIRPORT AND AIRWAY TRUST 
FUND. 
(a) FUEL TAXES.—Subparagraph (B) of section 4081(d)(2) of 
the Internal Revenue Code of 1986 is amended by striking ‘‘March 
31, 2010’’ and inserting ‘‘April 30, 2010’’. 
(b) TICKET TAXES.— 
(1) PERSONS.—Clause (ii) of section 4261(j)(1)(A) of the 
Internal Revenue Code of 1986 is amended by striking ‘‘March 
31, 2010’’ and inserting ‘‘April 30, 2010’’. 
(2) PROPERTY.—Clause (ii) of section 4271(d)(1)(A) of such 
Code is amended by striking ‘‘March 31, 2010’’ and inserting 
‘‘April 30, 2010’’. 
(c) EFFECTIVE DATE.—The amendments made by this section 
shall take effect on April 1, 2010. 
SEC. 3. EXTENSION OF AIRPORT AND AIRWAY TRUST FUND EXPENDI-
TURE AUTHORITY. 
(a) IN GENERAL.—Paragraph (1) of section 9502(d) of the 
Internal Revenue Code of 1986 is amended— 
(1) by striking ‘‘April 1, 2010’’ and inserting ‘‘May 1, 2010’’; 
and 
(2) by inserting ‘‘or the Federal Aviation Administration 
Extension Act of 2010’’ 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 ‘‘April 1, 2010’’ and inserting 
‘‘May 1, 2010’’. 
(c) EFFECTIVE DATE.—The amendments made by this section 
shall take effect on April 1, 2010. 
SEC. 4. EXTENSION OF AIRPORT IMPROVEMENT PROGRAM. 
(a) AUTHORIZATION OF APPROPRIATIONS.— 
(1) IN GENERAL.—Section 48103(7) of title 49, United States 
Code, is amended to read as follows:
H. R. 4957—2 
‘‘(7) $2,333,333,333 for the 7-month period beginning on 
October 1, 2009.’’. 
(2) OBLIGATION OF AMOUNTS.—Sums made available pursu-
ant to the amendment made by paragraph (1) may be obligated 
at any time through September 30, 2010, and shall remain 
available until expended. 
(3) PROGRAM
IMPLEMENTATION.—For purposes of calcu-
lating funding apportionments and meeting other requirements 
under sections 47114, 47115, 47116, and 47117 of title 49, 
United States Code, for the 7-month period beginning on 
October 1, 2009, 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 2010 were 
$4,000,000,000; and 
(B) then reduce by 42 percent— 
(i) all funding apportionments calculated under 
subparagraph (A); and 
(ii) 
amounts 
available 
pursuant 
to 
sections 
47117(b) and 47117(f)(2) of such title. 
(b) PROJECT GRANT AUTHORITY.—Section 47104(c) of such title 
is amended by striking ‘‘March 31, 2010,’’ and inserting ‘‘April 
30, 2010,’’. 
SEC. 5. EXTENSION OF EXPIRING AUTHORITIES. 
(a) Section 40117(l)(7) of title 49, United States Code, is 
amended by striking ‘‘April 1, 2010.’’ and inserting ‘‘May 1, 2010.’’. 
(b) Section 44302(f)(1) of such title is amended— 
(1) by striking ‘‘March 31, 2010,’’ and inserting ‘‘April 30, 
2010,’’; and 
(2) by striking ‘‘June 30, 2010,’’ and inserting ‘‘July 31, 
2010,’’. 
(c) Section 44303(b) of such title is amended by striking ‘‘June 
30, 2010,’’ and inserting ‘‘July 31, 2010,’’. 
(d) Section 47107(s)(3) of such title is amended by striking 
‘‘April 1, 2010.’’ and inserting ‘‘May 1, 2010.’’. 
(e) Section 47115(j) of such title is amended by striking ‘‘April 
1, 2010,’’ and inserting ‘‘May 1, 2010,’’. 
(f) Section 47141(f) of such title is amended by striking ‘‘March 
31, 2010.’’ and inserting ‘‘April 30, 2010.’’. 
(g) Section 49108 of such title is amended by striking ‘‘March 
31, 2010,’’ and inserting ‘‘April 30, 2010,’’. 
(h) Section 161 of the Vision 100—Century of Aviation 
Reauthorization Act (49 U.S.C. 47109 note) is amended by striking 
‘‘April 1, 2010,’’ and inserting ‘‘May 1, 2010,’’. 
(i) Section 186(d) of such Act (117 Stat. 2518) is amended 
by striking ‘‘April 1, 2010,’’ and inserting ‘‘May 1, 2010,’’. 
(j) The amendments made by this section shall take effect 
on April 1, 2010. 
SEC. 6. FEDERAL AVIATION ADMINISTRATION OPERATIONS. 
Section 106(k)(1)(F) of title 49, United States Code, is amended 
to read as follows: 
‘‘(F) $5,454,183,000 for the 7-month period beginning 
on October 1, 2009.’’.
H. R. 4957—3 
SEC. 7. AIR NAVIGATION FACILITIES AND EQUIPMENT. 
Section 48101(a)(6) of title 49, United States Code, is amended 
to read as follows: 
‘‘(6) $1,712,785,083 for the 7-month period beginning on 
October 1, 2009.’’. 
SEC. 8. RESEARCH, ENGINEERING, AND DEVELOPMENT. 
Section 48102(a)(14) of title 49, United States Code, is amended 
to read as follows: 
‘‘(14) $111,125,000 for the 7-month period beginning on 
October 1, 2009.’’. 
Speaker of the House of Representatives. 
Vice President of the United States and
President of the Senate.