The NTSB also restated its previous recommendation , made following the crash of Southwest Airlines Flight 1248 , that the FAA require commercial airline pilots to perform arrival landing distance assessments which include a conservative safety margin before every landing . The NTSB noted that while the FAA had proposed such a rule , operators were still not required to comply and many operators , including American Airlines , were not at the time of the Flight 331 crash . As a result , the NTSB 's safety recommendation was reiterated and reclassified as " Open — Unacceptable Response . " On May 2 , 2014 , the JCAA issued its final report . The final investigation report identified multiple causes and contributing factors to the accident , which included : Like the NTSB , the JCAA also recommended that flight crews be required to perform arrival landing distance assessments which include a conservative safety margin before every landing , and that actions should be taken to require appropriate flight crew guidance and training regarding tailwind landings
Southwest Airlines Flight 1248
Southwest Airlines Flight 1248
American Airlines Flight 331