The Ethiopian government releases a preliminary report on the investigation into the crash of Ethiopian Airlines Flight 302.
U.S. Representatives Peter DeFazio and Rick Larsen of the House Transportation committee report Boeing discovered the 737 Max AOA Disagree alert problem in 2017 but decided to defer fixing it until 2020, and sped up the process only after the Lion Air Flight 610 crash.
The CEO for Boeing, Dennis Muilenburg, apologizes for the loss of lives in the two 737 MAX accidents, recognizing the role that the MCAS system played in the disasters.
Boeing delays the availability of the software update for its 737 Max airliners. The Federal Aviation Administration anticipates the update to be rolled out "in the coming weeks."
Canada and the United States ground all Boeing 737 Max 8 and Max 9 aircraft and ban the jet from their airspace until further notice. It is now effectively grounded worldwide, with no operators remaining unaffected by grounding orders.