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Boeing's largest 737 MAX aircraft model is moving to the next certification stage but still faces obstacles

According to a source familiar with the program, the Federal Aviation Administration approved Boeing's biggest variant of the best-selling 737 MAX, the 'MAX 10', to move on to the second phase flight testing for the plane's much-delayed certification.

Both the company and FAA declined comment.

Boeing executives previously stated that they expected to complete certification for the MAX 7 & 10, the smallest & largest variants of this popular single-aisle aircraft, by the end of this year. Cirium, an aviation data analytics company, reports that the MAX 10 has over 1,200 orders in its backlog.

Boeing has faced delays in the certification of its MAX 7 & MAX 10 models due to a 'deicing issue. Boeing has also experienced delays in certifying the widebody 777X. Boeing received FAA approval in October to increase 737 MAX production from 38?planes a month to 42. This ended a '38-plane limit that had been in place since January 2024.

The MAX 7 is the shortened version of two existing types, the MAX 8 & 9, which have already accumulated thousands of flight-hours.

Analysts believe that Boeing's cash flow and revenue will increase significantly if it begins deliveries of the MAX 10.

DEICING ISSUES UNRESOLVED

According to a source, the MAX 7 was not approved by the FAA.

The FAA's phase two flight tests include the aircraft avionics and?propulsion, but not the deicing problem.

The MAX 10 is competing with Airbus A321neo, and the longer its delayed, the more it risks losing market share. Alaska Airlines has ordered 105 MAX 10 aircraft this week. Alaska CEO Ben Minicucci is confident that the MAX 10 can be certified by this year.

Scott Hamilton, principal at the Leeham Company and aerospace analyst, said: "It is progress but not until (the MAX?10) has been certified." Boeing's Everett plant in Washington cannot begin production until there is a clear pathway to certification, according to Hamilton. Reporting by Dan Catchpole and David Shepardson, Washington; editing by Rod Nickel

(source: Reuters)