Documents show Boeing Employees raised concerns over lack of safety systems on MAX

A document has appeared which shows that a Boeing engineer was concerned that the 737 Max lacked sufficient safety systems. A Boeing engineer asked in 2015, more than a year before the planes were certified by federal regulators, whether a flight-control system that was involved in both deadly crashes, was safe because it relied on a single sensor. The document was released on the second of two tense days of testimony by Boeing’s CEO Dennis Muilenburg on Capitol Hill this week where lawmakers probed the manufacturer’s CEO over two fatal crashes of the jetliners, and repeatedly asked why he hasn’t