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REPORT OF THE CIVIL AERONAUTICS BOARD
Of the investigation of an accident
involving civil aircraft of the United
States NC 25678 which occurred near
Chicago, Illinois, on December 4, 1940.
Note: In the body of this report the Board sets out not only its conclusions but also the reasons impelling it to arrive at those conclusions and gives a brief statement of the relevant evidence collected in order that those reading it may form their own conclusions. Those who desire only to consider the findings of fact and conclusion of the Board as to the probable cause may do so by turning to page 71 where they are set out in brief form.
