Simultaneously, Boeing is shaping a public relations strategy to reach passengers. Although the final media plan is still in the works, Boeing will not be relying solely on its executives to win back the public’s trust — a recognition that its leadership has lost some good will.

The company and airlines agree that the chief executive, Mr. Muilenburg, as the face of a company under intense scrutiny, may not be the most effective messenger. Instead, the initial plan calls for pilots to play a major role in the campaign.

“We think a key voice in all of this will be the pilots for our airlines, and their voice is very important,” Mr. Muilenburg said on Boeing’s earnings call last month. “That bond between the passenger and the pilot is one that’s critical, and so we’re working with our airline customers and those pilot voices to ensure that we can build on that going forward.”

Boeing has enlisted media agencies, including Edelman, to plan the strategy for reintroducing the Max, and is considering buying ads to promote the plane.

Airline executives in the United States are eager for the Max to return to service and for Boeing to succeed. But many are privately frustrated with the company’s handling of the crisis, according to three people briefed on the matter. They believe that Boeing has badly mismanaged the public response to the crashes and are irked that the public relations blitz will fall to their pilots.

Pilots, too, are reluctant to become brand ambassadors for Boeing, which barely interacted with them before the Lion Air crash in Indonesia last October, the first of the two deadly accidents.