Boeing has completed a final test of the modified 737 MAX, a crucial step before certification flights

Boeing made a final test flight of its 737 MAX on Tuesday with the modified MCAS stabilization system, a step deemed crucial for obtaining a new flight authorization, informed the aircraft builder on Wednesday.

The president of the group, Dennis Muilenburg, a video in which he shares new videos with his Twitter account perspectives on the recertification process for this plan who had to stay on the ground since mid-March because of two tragic accidents in less than five months.

"Boeing has completed its last test flight on Tuesday, April 16 with updated MCAS software, a key technical flight that precedes a certification flight with the Federal Aviation Agency." United States (FAA), said Boeing in a statement.

Muilenburg badured that in total, its test pilots made 120 flights of a total duration of 203 hours using the corrected software, the initial version of which is considered to be a major factor causing business aircraft accidents Lion Air end of October and Ethiopian Airlines in March.

The company is working on a software solution for its stabilization system after the accidents in Ethiopia – with 157 deaths – and in Indonesia – 189 deaths – both occurred shortly after takeoff.

(With information from AFP)