The CEO of Air India sought to draw a line under rife speculation around the cause of last month's air disaster in Ahmedebad, saying the preliminary investigation had ruled out a mechanical cause for the crash.

According to AAIB's report, Clive Kunder, a pilot with roughly 1,100 flight hours on Boeing's most advanced jet, was flying the plane.

Key Takeaways Boeing shares moved higher Monday morning after a preliminary report on last month's Air India crash was released over the weekend.The report found that the likely cause was fuel cutoff switches being shut off,