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Table 4-21M: Energy Intensity of Certificated Air Carriers,
All Servicesa
Excel | CSV
| 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 |
R7,947 |
R8,109 |
R8,496 |
9,028 |
| International operations |
293 |
457 |
764 |
607 |
645 |
668 |
1,223 |
1,299 |
1,455 |
1,547 |
1,577 |
1,606 |
1,679 |
1,793 |
R1,912 |
R1,942 |
2,023 |
| 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 |
R1,036,245 |
R1,045,150 |
R1,103,120 |
1,145,322 |
| 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 |
349,088 |
R361,850 |
R371,633 |
389,860 |
| 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 |
R715,827 |
R756,788 |
R770,210 |
815,163 |
| 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 |
258,749 |
263,379 |
R277,588 |
296,382 |
| Fuel consumed (million liters) |
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| Domestic operations |
7,397 |
14,721 |
29,742 |
28,610 |
R32,248 |
38,289 |
47,049 |
43,555 |
44,528 |
45,270 |
47,227 |
48,499 |
49,918 |
51,709 |
52,530 |
54,518 |
56,194 |
| International operations |
2,143 |
4,845 |
8,491 |
7,378 |
R6,613 |
9,418 |
15,002 |
14,915 |
15,596 |
15,569 |
16,319 |
17,076 |
17,632 |
18,791 |
19,631 |
19,873 |
20,725 |
| 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 |
R130.4 |
R128.9 |
R129.8 |
126.9 |
| 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 |
194.7 |
R189.3 |
R191.3 |
192.8 |
| Seat-miles per gallon |
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| Domestic operations |
11 |
10 |
12 |
14 |
R17 |
19 |
19 |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
| International operations |
10 |
10 |
10 |
13 |
R21 |
17 |
18 |
19 |
20 |
21 |
20 |
19 |
19 |
19 |
18 |
19 |
19 |
| Energy intensity (Kilojoules/passenger-kilometer)b |
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| Domestic operations |
5,659 |
6,633 |
6,677 |
5,078 |
R3,764 |
3,308 |
3,233 |
3,062 |
2,992 |
2,988 |
2,913 |
2,873 |
2,742 |
2,718 |
R2,612 |
R2,664 |
2,593 |
| International operations |
6,031 |
6,748 |
7,202 |
5,550 |
R2,845 |
3,345 |
2,980 |
3,022 |
2,792 |
2,687 |
2,728 |
2,735 |
2,693 |
2,733 |
2,805 |
R2,694 |
2,631 |
| Load factor (%) |
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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 |
R72.4 |
69.8 |
71.2 |
| International operations |
62.2 |
56.8 |
53.0 |
54.4 |
62.8 |
64.6 |
69.1 |
67.3 |
67.1 |
67.6 |
70.6 |
71.8 |
73.3 |
74.1 |
72.8 |
R74.7 |
76.0 |
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 joules conversion is 37,626,700
joules/liter.
Numbers may differ slightly from previous year's metric tables
because a higher precision conversion factor was used.
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 5, 2000.
1985-2000: 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 July 25, 2001.
Seats per aircraft, seat-kilometers per liter, and energy
intensiveness: Derived by calculation.
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