Ethiopian Airlines crash
The airlines are working to regain customer trust behind the plane which was grounded after two high-profile crashes.
157 people died in the tragedy.
Air Canada has already warned of negative financial implications.
All 157 passengers and crew died when an Ethiopian airlines jet crashed en route to Kenya on Mar. 10. These were the Canadian victims.
The announcement was made just hours after Canada's decision to ban the 737 Max 8 and Max 9.
Operators around the world have temporarily stopped using the popular model.