Table 4-8M:  Certificated Air Carrier Fuel Consumption and Travela,,,,,,,,,,,,,,,,,,,,,,,,
,1960,1965,1970,1975,1980,1985,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006,2007
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,U
Average kilometers flown per aircraft (thousands),784,"1,074","1,528","1,500","1,236","1,191","1,250","1,239","1,077","1,129","1,170","1,222","1,260","1,273","1,236","1,283","1,388","1,291","1,344","1,446","1,560","1,614",U,U
Aircraft-Kilometers (millions),,,,,,,,,,,,,,,,,,,,,,,,
Domestic operations,"1,381","1,825","3,328","3,135","4,060","4,902","6,378","6,202","6,429","6,690","7,049","7,450","7,743","7,903","8,103","8,581","9,115","8,929","9,039","9,793","10,544","10,806","(R) 10,661","10,825"
International operations,293,457,764,607,645,668,"1,223","1,299","1,455","1,547","1,577","1,606","1,679","1,793","1,918","1,971","2,063","2,037","1,971","2,031","2,228","2,472","(R) 2,557","2,705"
Fuel consumption (million liters),,,,,,,,,,,,,,,,,,,,,,,,
Domestic operations,"7,397","14,721","29,742","28,610","32,249","38,289","46,648","43,557","44,527","45,268","46,880","47,967","50,033","51,341","50,479","54,518","(R) 56,272","(R) 52,496","(R) 48,930","(R) 49,520","(R) 53,339","(R) 52,852","(R) 51,415","51,314"
International operations,"2,143","4,845","8,491","7,378","6,614","9,418","14,797","14,913","15,596","15,571","16,196","16,817","17,483","18,605","18,636","19,875","(R) 20,850","(R) 20,198","(R) 19,211","(R) 19,755","(R) 21,169","(R) 22,616","(R) 22,781","23,485"
Aircraft-Kilometers flown per liters,,,,,,,,,,,,,,,,,,,,,,,,
Domestic operations,0.19,0.12,0.11,0.11,0.13,0.13,0.14,0.14,0.14,0.15,0.15,0.16,0.15,0.15,0.16,0.16,(R) 0.16,(R) 0.17,(R) 0.18,(R) 0.20,(R) 0.20,(R) 0.20,(R) 0.21,0.21
International operations,0.14,0.09,0.09,0.08,0.10,0.07,0.08,0.09,0.09,0.10,0.10,0.10,0.10,0.10,0.10,0.10,(R) 0.10,(R) 0.10,(R) 0.10,(R) 0.10,(R) 0.11,(R) 0.11,(R) 0.11,0.12
KEY:  R = revised.  U = data are unavailable,,,,,,,,,,,,,,,,,,,,,,,,
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a  Aircraft operating under 14 CFR 121 and 14 CFR 135.,,,,,,,,,,,,,,,,,,,,,,,,
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NOTES,,,,,,,,,,,,,,,,,,,,,,,,
1.609344 kilometers = 1 mile.,,,,,,,,,,,,,,,,,,,,,,,,
3.785412 liters = 1 gallon.,,,,,,,,,,,,,,,,,,,,,,,,
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.",,,,,,,,,,,,,,,,,,,,,,,,
"2002-07: 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.",,,,,,,,,,,,,,,
"1980-2007: Ibid., Internet site http://www.bts.gov/xml/fuel/report/src/index.xml as of Jun. 26, 2008.",,,,,,,,,,,,,,,