Table 4-8:  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
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",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,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"
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","(R) 1,262","1,384"
Fuel consumption (million gallons),,,,,,,,,,,,,,,,,,,,,
Domestic operations,"1,954","3,889","7,857","7,558","8,519","10,115","(R) 12,323","11,506","11,763","11,959","(R) 12,384","(R) 12,672","(R) 13,217","(R) 13,563","(R) 13,335","14,402","14,845","14,017","12,848","12,959","13,623"
International operations,566,"1,280","2,243","1,949","1,747","2,488","(R) 3,909","3,940","4,120","4,113","(R) 4,279","(R) 4,443","(R) 4,618","(R) 4,915","(R) 4,923","5,250","5,475","5,237","4,991","4,836","4,931"
Aircraft-miles flown per gallon,,,,,,,,,,,,,,,,,,,,,
Domestic operations,0.44,0.29,0.26,0.26,0.30,0.30,(R) 0.32,0.33,0.34,0.35,(R) 0.35,(R) 0.37,(R) 0.36,(R) 0.36,(R) 0.38,0.37,0.38,0.40,0.44,0.47,0.48
International operations,0.32,0.22,0.21,0.19,0.23,0.17,(R) 0.19,0.20,0.22,0.23,(R) 0.23,(R) 0.22,(R) 0.23,(R) 0.23,(R) 0.24,0.23,0.23,0.24,0.25,(R) 0.26,0.28
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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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.",,,,,,,,,,,,,,,,,,
"1998-2003: 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.",,,,,,,,,,,,,,,,,,
"2002-04: U.S. Department of Transportation, Bureau of Transportation Statistics, Office of Airline Information, Air Carrier Traffic Statistics (Washington, DC: Annual issues, December), 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.",,,,,,,,,,,,,,,,,,
"1980-2004: Ibid., Internet site http://www.bts.gov/xml/fuel/report/src/index.xml as of Apr. 28, 2005.",,,,,,,