World Doomed Boeing Jets Lacked 2 Safety Features That Company Sold Only as Extras March 21, 2019March 21, 2019HIROKO TABUCHI and DAVID GELLESComments Off on Doomed Boeing Jets Lacked 2 Safety Features That Company Sold Only as Extras Airlines had to pay more for two optional upgrades that could warn pilots about sensor malfunctions. Boeing now plans to make one of the features standard.
