Boeing Pilot Expressed Worries About 737 Max Safety in 2016

  • Instant messages chronicle exchanges between Boeing employees
  • Pilots were alarmed by performance of MCAS feature on jet

Boeing 737 Max

Photographer: Luke MacGregor/Bloomberg

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A high-ranking Boeing Co. pilot working on the 737 Max three years ago during its certification expressed misgivings about a feature since implicated in two fatal crashes, calling its handling performance “egregious,” according to 2016 instant messages.

The U.S. Federal Aviation Administration said Boeing alerted the Transportation Department late Thursday of instant messages between the pilot and another employee of the planemaker. The regulator said Boeing was aware of the communications for months.