Civil Aeronautics Board report into the crash of AAXICO Logair Flight 1422A on 23 April 1965.
Civil Aeronautics Board, US Department of Commerce
1967-03-10
US Department of Transportation Special Collections <a rel="nofollow" class="external autonumber" href="http://specialcollection.dotlibrary.dot.gov/Document?db=DOT-AIRPLANEACCIDENTS&amp;query=(select+780)">[1]</a>