Supporters of these explanations claim that the NTSB's report was created as a cover-up, that the NTSB did not investigate sufficiently, or that the NTSB did not have all the evidence it needed to reach the correct conclusion.
Those supporting these alternative explanations for the crash typically claim that the NTSB’s explanation, above, was created as a cover-up; that the NTSB did not investigate sufficiently; or that the NTSB did not have all the evidence they should have had to reach the correct conclusion.