A report into last month's Ethiopian Airlines crash, which killed 157 people, shows the crew were not able to control the plane, even though they followed all the correct emergency procedures.
The Boeing 737 MAX nose-dived repeatedly, minutes after taking off from Addis Ababa. A Lion Air 737 Max crashed last October in Indonesia, killing 189 people. The aircraft have been grounded by aviation authorities around the world. Meanwhile Boeing has announced it'll roll out a software fix for its anti-stall system.
Kathryn talks with Jon Ostrower, editor-in-chief of The Air Current.