I.
CONDUCT OF INVESTIGATION
An accident involving aircraft NC 15064 occurred at La Guardia Field, Jackson Heights, New York, on April 11, 1942, about 5:37 a.m. (EWT). The aircraft was being operated in scheduled air carrier service between Chicago, Illinois, and New York, New York, as Trip 12 of United Air Lines Transport Corporation (hereinafter referred to as "United") at the time. The accident resulted in serious injuries to the first officer and stewardess and minor injuries to the captain. The six passengers escaped injury. The aircraft received major damage to the right wing tip; also damage from immersion and salvage operations.
The Civil Aeronautics Board (hereinafter referred to as the "Board") immediately initiated an investigation of the accident. In connection with this investigation, a public hearing was held in New York, New York on April 16, 1942. C. Nathan Calkins, an attorney for the Board, presided as examiner, and the following personnel of the Board participated at the hearing: Jerome Lederer, Director, Safety Bureau; W. K. Andrews, Chief, Investigation Section; A. P. Bourdon, Senior Air Safety Investigator; Paul A. Goreau, Air Safety Specialist (Meteorology); and C. Z. German, Assistant General Counsel, Safety Legal Division.
Upon the basis of all evidence accumulated in the investigation and at the hearing, the Board now makes its report in accordance with provisions of the Civil Aeronautics Act of 1938, as amended.
II
SUMMARY AND ANALYSIS OF EVIDENCE
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,
