PDF scan of the <a href="https://en.wikipedia.org/wiki/Bureau_of_Air_Commerce" class="extiw" title="w:Bureau of Air Commerce">Bureau of Air Commerce</a>'s accident report on the crash of <a href="https://en.wikipedia.org/wiki/Pan_American_Airways" class="extiw" title="w:Pan American Airways">Pan American Airways</a> <a href="https://en.wikipedia.org/wiki/Sikorsky_S-42" class="extiw" title="w:Sikorsky S-42">Sikorsky S-42-B</a> NC-16734 <i><a href="https://en.wikipedia.org/wiki/Samoan_Clipper" class="extiw" title="w:Samoan Clipper">Samoan Clipper</a></i> near <a href="https://en.wikipedia.org/wiki/Pago_Pago" class="extiw" title="w:Pago Pago">Pago Pago</a>, <a href="https://en.wikipedia.org/wiki/American_Samoa" class="extiw" title="w:American Samoa">American Samoa</a> on 11 January 1938.
U.S. Department of Commerce, Bureau of Air Commerce
<p><a href="https://en.wikipedia.org/wiki/Embry%E2%80%93Riddle_Aeronautical_University" class="extiw" title="w:Embry–Riddle Aeronautical University">Embry–Riddle Aeronautical University</a>, <a rel="nofollow" class="external text" href="http://prcarc1.erau.edu/index.html">Aviation Safety and Security Archives</a><br></p>
(Direct linking to a page for the document is not possible due to the website structure. Once you visit <a rel="nofollow" class="external text" href="http://prcarc1.pr.erau.edu/awweb/guest.jsp?un=public_search&amp;rd=manufacturer">this link</a> to establish a "session", you should be able to access the <a rel="nofollow" class="external text" href="http://prcarc1.pr.erau.edu/awweb/main.jsp?smd=2&amp;nid=-9419/10962">listing</a> for all Sikorsky "S-42-B" (note hyphen before "B") accidents, which includes an entry for this accident, from which the PDF can be accessed.)