Table 4-8: Certificated Air Carrier Fuel Consumption and Travela

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	1960	1965	1970	1975	1980	1985	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006
Number of aircraft	2,135	2,125	2,679	2,495	3,808	4,678	6,083	6,054	7,320	7,297	7,370	7,411	7,478	7,616	8,111	8,228	8,055	8,497	8,194	8,176	8,186	8,225	U
Average miles flown per aircraft (thousands)	487	667	949	932	768	740	776	770	669	701	727	759	783	791	768	797	862	802	835	899	969	1,003	U
Aircraft-miles (millions)
Domestic operations	858	1,134	2,068	1,948	2,523	3,046	3,963	3,854	3,995	4,157	4,380	4,629	4,811	4,911	5,035	5,332	5,664	5,548	5,616	6,085	6,552	6,714	6,619
International operations	182	284	475	377	401	415	760	807	904	961	980	998	1,043	1,114	1,192	1,225	1,282	1,266	1,225	1,262	1,384	1,536	1,591
Fuel consumption (million gallons)
Domestic operations	1,954	3,889	7,857	7,558	8,519	10,115	12,323	11,506	11,763	11,959	12,384	12,672	13,217	13,563	13,335	14,402	14,845	14,017	12,848	12,959	(R) 13,623	13,789	13,458
International operations	566	1,280	2,243	1,949	1,747	2,488	3,909	3,940	4,120	4,113	4,279	4,443	4,618	4,915	4,923	5,250	5,475	5,237	4,991	4,836	(R) 4,932	5,521	5,827
Aircraft-miles flown per gallon
Domestic operations	0.44	0.29	0.26	0.26	0.30	0.30	0.32	0.33	0.34	0.35	0.35	0.37	0.36	0.36	0.38	0.37	0.38	0.40	0.44	0.47	(R) 0.48	0.49	0.49
International operations	0.32	0.22	0.21	0.19	0.23	0.17	0.19	0.20	0.22	0.23	0.23	0.22	0.23	0.23	0.24	0.23	0.23	0.24	0.25	0.26	(R) 0.28	0.28	0.27

KEY: R = revised.

^a Aircraft operating under 14 CFR 121 and 14 CFR 135.

SOURCES

Number of aircraft:

1960-65: U.S. Department of Transportation, Federal Aviation Administration, FAA Statistical Handbook of Aviation, 1970 edition (Washington, DC: 1970), table 5.3.

1970-75: Ibid., FAA Statistical Handbook of Aviation, Calendar Year 1979 (Washington, DC: 1979), table 5.1.

1980-85: Ibid., FAA Statistical Handbook of Aviation, Calendar Year 1986 (Washington, DC: 1986), table 5.1.

1990-97: Ibid., FAA Statistical Handbook of Aviation, Calendar Year 1997 (Washington, DC: unpublished), personal communication, Mar. 19, 1999.

1998-2005: Aerospace Industries Association, Aerospace Facts and Figures (Washington DC: Annual Issues), "Active U.S. Air Carrier Fleet", p. 90 and similar pages in earlier editions.

Aircraft-miles flown:

1960: Civil Aeronautics Board, Handbook of Airline Statistics 1969 (Washington, DC: 1970), part III, tables 2 and 13.

1965-70: Ibid., Handbook of Airline Statistics 1973 (Washington, DC: 1974), part III, tables 2 and 13.

1975-80: Ibid., Air Carrier Traffic Statistics (Washington, DC: December 1976), pp. 4 and 14; and (December 1981), pp. 2 and 3.

1985-2001: U.S. Department of Transportation, Bureau of Transportation Statistics, Office of Airline Information, Air Carrier Traffic Statistics (Washington, DC: Annual issues, December), pp. 2 and 3, line 27 plus line 50.

2002-06: U.S. Department of Transportation, Bureau of Transportation Statistics, Office of Airline Information, Air Carrier Traffic Statistics (Washington, DC: Annual issues, January), pp. 3 and 4, line 25 plus line 46.

Fuel consumption:

1960-70: U.S. Department of Transportation, Bureau of Transportation Statistics, Office of Airline Information, Internet site http://www.bts.gov/programs/oai/fuel/fuelyearly.html as of June 25, 2004.

1980-2006: Ibid., Internet site http://www.bts.gov/xml/fuel/report/src/index.xml as of Mar. 30, 2007.