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Table 4-21M: Energy Intensity of Certificated Air Carriers, All Servicesa
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Aircraft-kilometers (millions) |
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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 |
R7,903 |
R8,103 |
R8,581 |
R9,115 |
8,932 |
International operations |
293 |
457 |
764 |
607 |
645 |
668 |
1,223 |
1,299 |
1,455 |
1,547 |
1,577 |
1,606 |
1,679 |
1,793 |
R1,918 |
R1,971 |
R2,063 |
2,025 |
Available seat-kilometers (millions) |
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Domestic operations |
84,040 |
152,545 |
343,048 |
388,306 |
556,878 |
717,487 |
906,165 |
874,901 |
897,996 |
919,722 |
942,171 |
971,910 |
1,008,075 |
R1,049,160 |
R1,065,889 |
R1,125,463 |
R1,170,046 |
1,134,195 |
International operations |
21,480 |
47,529 |
83,622 |
99,335 |
139,220 |
164,094 |
274,087 |
276,101 |
313,474 |
322,112 |
320,087 |
326,954 |
335,841 |
R368,039 |
R382,280 |
R391,040 |
R408,851 |
395,538 |
Passenger-kilometers (millions) |
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Domestic operations |
49,177 |
83,504 |
167,608 |
211,996 |
322,334 |
435,463 |
547,549 |
535,213 |
559,941 |
569,993 |
609,925 |
635,221 |
684,930 |
R725,190 |
R745,548 |
R785,934 |
R830,629 |
782,880 |
International operations |
13,367 |
27,019 |
44,358 |
50,022 |
87,489 |
105,925 |
189,412 |
185,701 |
210,216 |
218,079 |
225,937 |
234,881 |
246,337 |
R272,552 |
R277,218 |
R290,115 |
R310,278 |
287,078 |
Fuel consumed (million liters) |
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Domestic operations |
7,397 |
14,721 |
29,742 |
28,610 |
32,249 |
38,289 |
47,050 |
43,557 |
44,527 |
45,268 |
47,225 |
48,498 |
49,919 |
51,707 |
52,530 |
54,518 |
56,193 |
53,062 |
International operations |
2,143 |
4,845 |
8,491 |
7,378 |
6,614 |
9,418 |
15,002 |
14,913 |
15,596 |
15,571 |
16,318 |
17,078 |
17,633 |
18,791 |
19,629 |
19,875 |
20,724 |
19,826 |
Seats per aircraft |
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Domestic operations |
60.9 |
83.6 |
103.1 |
123.9 |
137.1 |
146.4 |
142.1 |
141.1 |
139.7 |
137.4 |
133.7 |
130.5 |
130.2 |
R132.7 |
R131.5 |
R131.1 |
R128.4 |
127.0 |
International operations |
73.3 |
104.0 |
109.4 |
163.7 |
215.7 |
245.7 |
224.1 |
212.6 |
215.5 |
208.7 |
203.0 |
203.6 |
200.1 |
R205.3 |
R199.2 |
R198.3 |
R198.2 |
195.4 |
Seat-kilometers per liter |
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Domestic operations |
11 |
10 |
12 |
14 |
17 |
19 |
19 |
20 |
20 |
20 |
20 |
20 |
20 |
R20 |
R20 |
R21 |
R21 |
21 |
International operations |
10 |
10 |
10 |
13 |
21 |
17 |
18 |
19 |
20 |
21 |
20 |
19 |
19 |
R20 |
R20 |
R20 |
R20 |
20 |
Energy intensity (kilojoule / passenger-kilometer)b
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Domestic operations |
5,659 |
6,633 |
6,677 |
5,078 |
3,764 |
3,308 |
3,233 |
3,062 |
2,992 |
2,988 |
2,913 |
2,873 |
2,742 |
R2,683 |
R2,651 |
R2,610 |
R2,546 |
2,550 |
International operations |
6,031 |
6,748 |
7,202 |
5,550 |
2,845 |
3,345 |
2,980 |
3,022 |
2,792 |
R2,687 |
R2,717 |
2,735 |
2,693 |
R2,594 |
R2,664 |
R2,578 |
R2,513 |
2,599 |
Load factor (percent) |
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Domestic operations |
58.5 |
54.7 |
48.9 |
54.6 |
58.0 |
60.7 |
60.4 |
61.2 |
62.4 |
62.0 |
64.7 |
65.4 |
67.9 |
69.1 |
R69.9 |
69.8 |
R71.0 |
69.0 |
International operations |
62.2 |
56.8 |
53.0 |
R50.4 |
62.8 |
64.6 |
69.1 |
67.3 |
67.1 |
67.6 |
70.6 |
71.8 |
73.3 |
74.1 |
R72.5 |
R74.2 |
R75.9 |
72.6 |
KEY: R = revised.
a U.S. owned carriers only. Operation of foreign-owned carriers
in or out of the United States not included.
b Calculation based on unrounded figures not shown here.
NOTES
Aircraft-kilometers includes all four air-carrier groups (majors, nationals,
large regionals, and medium regionals), scheduled and charter, passenger, and
all-cargo. Fuel consumed includes majors, nationals, and large regionals, scheduled
and charter, passenger, and all-cargo.
Passenger-kilometers includes all four air-carrier groups, scheduled and charter,
passenger service only.
International operations include operations outside the United States, including
those between the United States and foreign countries and the United States
and its territories or possessions.
Heat equivalent factor used for joule conversion is 37,626,700 joules/liter.
1.609344 kilometers = 1 mile.
3.785412 liters = 1 gallon.
SOURCES
Aircraft-kilometers, available seat-kilometers, passenger-kilometers, and
load factor:
1960-80: Air Transport Association, Internet site
http://www.air-transport.org/public/industry,
as of July 31, 2002.
1985-2001: U.S. Department of Transportation, Bureau of Transportation Statistics,
Office of Airline Information, Air Carrier Traffic Statistics (Washington
DC: Annual December issues).
Fuel consumed:
1960-2000: U.S. Department of Transportation, Bureau of Transportation Statistics,
Office of Airline Information, Internet site
http://www.bts.gov/oai/fuel/fuelyearly.html
as of Aug. 12, 2002.
Seats per aircraft, seat-kilometers per liter, and energy intensity:
Derived by calculation.
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