THE WORD SCIENCE, WHEN USED TO DESCRIBE the selection of a fleet of transport aircraft, means not only the collection of data and evaluation of guarantees by verifiable methods but also refers to "social science" or the study of human behavior. History shows that decisions involved in aircraft purchases more often have been swayed by the latter. The stories, and there are many, have become legends. In 1955, when Eastern Airlines was down to the wire between the DC-8 and 707, the airline's ...

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