Air transportation
McGraw-Hill Science & Technology Dictionary:
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air transportation
(¦er ′tranz·pər′tā·shən)
(aerospace engineering) The use of aircraft, predominantly airplanes, to move passengers and cargo.
(mining engineering) air transport
McGraw-Hill Science & Technology Encyclopedia:
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Air transportation
The movement of passengers and cargo by aircraft such as airplanes and helicopters. Air transportation has become the primary means of common-carrier traveling. Greatest efficiency and value are obtained when long distances are traveled, high-value payloads are moved, immediate needs must be met, or surface terrain prevents easy movement or significantly raises transport costs. Although the time and cost efficiencies obtained decrease as distance traveled is reduced, air transport is often worthwhile even for relatively short distances. Air transportation also provides a communication link, which is sometimes vital, between the different groups of people being served.
McGraw-Hill Dictionary of Aviation:
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air transportation
Interstate, overseas, or foreign air transportation of mail, goods, or personnel by aircraft.
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McGraw-Hill Science & Technology Dictionary
McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.
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McGraw-Hill Science & Technology Encyclopedia
McGraw-Hill Encyclopedia of Science and Technology. Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved.
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