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the Board, announced at the opening of the hearing that any person who had any evidence, questions, or suggestions to present for consideration in the proceeding might submit them to the Examiners. Seventy-eight questions were submitted and at the close of the hearing the Presiding Examiner announced that every question submitted had been asked unless the subject matter of the question had previously been covered by the testimony.
Upon the basis of all the evidence accumulated in the investigation and hearing, the Board now makes its report in accordance with the provisions of the Civil Aeronautics Act of 1938, as amended.
II.
SUMMARY AND ANALYSIS OF EVIDENCE
Air Carrier
American Airlines, a Delaware corporation, was operating at the time of the accident as an air carrier under a certificate of public convenience and necessity and an air carrier operating certificate issued pursuant to the Civil Aeronautics Act of 1938. These certificates authorized it to engage in air transportation with respect to persons, property and mail between various points, including Chicago, Illinois, and Fort Worth, Texas, via St. Louis, Missouri; Tulsa, Oklahoma; Oklahoma City, Oklahoma; and Dallas, Texas.
