Boeing Co. arrived at the world’s largest aerospace extravaganza, the Paris Air Show, battling the biggest crisis in its history. It departs having secured a crucial vote of confidence in its beleaguered 737 MAX jetliner and the prospect of further orders, writes Robert Wall and Andrew Tangel  for the Wall Street Journal.

Boeing’s efforts to focus on safety and reassure customers bore fruit. The company secured a blockbuster sale of 200 MAX jets to British Airways owner International Consolidated Airlines Group SA —its first MAX sale in months—and more orders for the embattled jet were possible.

Boeing didn’t disclose which other customers it was talking to, but analysts said the show had been broadly positive for the plane maker. The company’s total orders from the event are valued at more than $30 billion before industry standard discounts.

Boeing has developed a software update for the MAX to fix the flight-control-system flaw implicated in the crashes that killed a total of 346 people on the two planes. While regulators are poised to start flight-testing that fix soon, it still isn’t clear when the MAX will be back in service.

Read more about Boeing’s presence at the Paris Air Show here.

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