Trans American Airlines (TAA) Flight 514 departed from Weir Cook Municipal Airport (IND), Indianapolis, Indiana, at 0853 EST, on December 1, 1974, the Sunday after Thanksgiving. After an intermediate stop at Port Columbus International Airport (CMH), Columbus, Ohio, the flight took off again at 1024 EST for its scheduled destination: Washington National Airport (DCA) in Washington, D.C. The first link in the error chain dated back about a decade before...