by L. W. Pogue, H. Branch, O. Ryan, and E. Warner for the Civil Aeronautics Board, Aviation Accident Report: United Air Lines Flight 12 (1942)
“ United was operating at the time of the accident as an air carrier under certificates of public convenience and necessity and air carrier operating certificates issued pursuant to the Civil Aeronautics Act of 1938, as amended, which authorized it to engage in air carrier transportation with respect to persons, property, and mail on various routes, including Route No. 1 between the co-terminal points New York, New York, and Newark, New Jersey, and the terminal point Oakland, California. ”
