Table 4-8: Certificated Air Carrier Fuel Consumption and Travela,,,,,,,,,,,,,,,,,,,,,,, ,1960,1965,1970,1975,1980,1985,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006 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.",,,,,,,