Crashed Boeing jets lacked two safety features that would have cost extra

Two Boeing jets that crashed in Ethiopia and Indonesia each lacked a pair of cockpit safety features that the plane manufacturer charged extra for. The systems  might have helped the pilots as they struggled to control their planes, aviation experts said. Lion Air Flight 610 crashed in October killing 189 people, and Ethiopian Airlines Flight 302 went down on March 10, shortly after takeoff from Addis Ababa, with the loss of 157 lives. Both Boeing 737 Max aircraft were new but did not have