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Table 4-21: Energy Intensity of Certificated
Air Carriers, All Servicesa
Excel | CSV
Aircraft-miles
(millions) |
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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 |
(R) 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 |
Available
seat-miles (millions) |
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Domestic
operations |
52,220 |
94,787 |
213,160 |
241,282 |
346,028 |
445,826 |
563,065 |
543,638 |
557,989 |
571,489 |
585,438 |
603,917 |
626,389 |
651,918 |
662,313 |
699,330 |
727,033 |
695,200 |
676,949 |
(R) 689,069 |
739,540 |
International
operations |
13,347 |
29,533 |
51,960 |
61,724 |
86,507 |
101,963 |
170,310 |
171,561 |
194,784 |
200,151 |
198,893 |
203,160 |
208,682 |
228,689 |
237,538 |
242,981 |
254,048 |
235,311 |
215,606 |
(R)
204,755 |
229,437 |
Passenger-miles
(millions) |
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Domestic
operations |
30,557 |
51,887 |
104,147 |
131,728 |
200,289 |
270,584 |
340,231 |
332,566 |
347,931 |
354,177 |
378,990 |
394,708 |
425,596 |
450,612 |
463,262 |
488,357 |
516,129 |
486,506 |
482,310 |
(R) 505,159 |
556,690 |
International
operations |
8,306 |
16,789 |
27,563 |
31,082 |
54,363 |
65,819 |
117,695 |
115,389 |
130,622 |
135,508 |
140,391 |
145,948 |
153,067 |
169,356 |
172,255 |
180,269 |
192,798 |
178,343 |
171,860 |
(R) 168,605 |
193,961 |
Fuel consumed (million gallons) |
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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 |
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 |
137.5 |
133.7 |
130.5 |
130.2 |
132.7 |
131.5 |
131.2 |
128.4 |
125.3 |
120.5 |
(R) 113.2 |
112.9 |
International
operations |
73.3 |
104.0 |
109.4 |
163.7 |
215.7 |
245.7 |
224.1 |
212.6 |
215.5 |
208.3 |
203.0 |
203.6 |
200.1 |
205.3 |
199.3 |
198.4 |
198.2 |
185.9 |
176.1 |
(R) 162.3 |
165.8 |
Seat-miles
per gallon |
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Domestic
operations |
27 |
24 |
27 |
32 |
41 |
44 |
(R) 46 |
47 |
47 |
48 |
(R) 47 |
(R) 48 |
(R) 47 |
(R) 48 |
(R) 50 |
49 |
49 |
50 |
53 |
(R) 53 |
54 |
International
operations |
24 |
23 |
23 |
32 |
50 |
41 |
(R) 44 |
44 |
47 |
49 |
(R) 46 |
(R) 46 |
(R) 45 |
(R) 47 |
(R) 48 |
46 |
46 |
45 |
43 |
(R) 42 |
47 |
Energy intensity (Btu/passenger-mile)b |
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Domestic
operations |
8,633 |
10,118 |
10,185 |
7,746 |
5,742 |
5,047 |
(R) 4,890 |
4,671 |
4,564 |
4,558 |
(R) 4,411 |
(R) 4,334 |
(R) 4,193 |
(R) 4,063 |
(R) 3,886 |
3,981 |
3,883 |
3,890 |
3,596 |
(R) 3,463 |
3,304 |
International
operations |
9,199 |
10,292 |
10,986 |
8,465 |
4,339 |
5,103 |
(R) 4,484 |
4,609 |
4,258 |
4,098 |
(R) 4,114 |
(R) 4,109 |
(R) 4,073 |
(R) 3,918 |
(R) 3,858 |
3,932 |
3,833 |
3,965 |
3,920 |
(R) 3,872 |
3,432 |
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 |
69.9 |
69.8 |
71.0 |
69.1 |
70.3 |
(R) 72.6 |
74.4 |
International
operations |
62.2 |
56.8 |
53.0 |
50.4 |
62.8 |
64.6 |
69.1 |
67.3 |
67.1 |
67.6 |
70.6 |
71.8 |
73.3 |
74.1 |
72.5 |
74.2 |
75.9 |
72.8 |
76.6 |
76.5 |
79.1 |
KEY: Btu = British thermal
unit; 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-miles 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-miles
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 Btu conversion is 135,000 Btu/gallon.
SOURCES
Aircraft-miles,
available seat-miles, passenger-miles, and load factor:
1960-80:
Air Transport Association, Internet site
http://www.air-transport.org/public/industry, as of July 31, 2002.
1985-2004: U.S. Department of
Transportation, Bureau of Transportation Statistics, Office of Airline
Information, Air Carrier Traffic Statistics (Washington DC: Annual December issues).
Fuel
consumed:
1960-75: 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 21, 2004.
1980-2004: Ibid., Internet site
http://www.bts.gov/xml/fuel/report/src/index.xml as of Apr. 28, 2005.
Seats per aircraft, seat-miles per
gallon, and energy intensiveness:
Derived
by calculation.
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