William O. Douglas

“ The measure of 'the need' is an amount of compensation necessary to carry the mail and 'together with all other revenue of the air carrier' adequate for maintenance and development. And the Act defines 'air carrier' as 'any citizen of the United States who undertakes * * * to engage in air transportation * * *.' § 1 (2) . Thus the wording of the Act precludes measuring 'the need' of the carrier by any other unit than the carrier as an entity.
As we read the Act, Congress has established a special formula for the fixing of a subsidy rate. ”

“ Competition to the extent necessary to assure the sound development of an air-transportation system properly adapted to the needs of the foreign and domestic commerce of the United States, of the Postal Service, and of the national defense ”

“ The promotion of adequate, economical, and efficient service by air carriers at reasonable charges, without unjust discriminations, undue preferences or advantages, or unfair or destructive competitive practices ”