Sketch from CAB Accident Report, American Airlines Flight 9
CIVIL AERONAUTICS BOARD
1940
<a class="external free" href="https://en.wikisource.org/wiki/Page:CAB_Accident_Report,_American_Airlines_Flight_9.pdf/16">https://en.wikisource.org/wiki/Page:CAB_Accident_Report,_American_Airlines_Flight_9.pdf/16</a>