Boeing’s controversial 737 Max has received the green light from Ottawa to return to service over Canadian airspace starting Wednesday.

It will be allowed to do so as long as it meets conditions spelled out recently by Transport Canada.

They include permitting pilots to disable a faulty warning system that was found to be key to two deadly crashes in 2018 and 2019 which led to the grounding of the planes worldwide.

Transport Minister Omar Alghabra says Canadians can be assured the department has ”diligently addressed all safety issues prior to permitting this aircraft to return to service.”

The Canadian measures go further than ones announced by the U.S. Federal Aviation Administration last November, which required Boeing to make changes to the plane’s computer systems and required pilots to undergo flight simulator training.

The Boeing 737 Max have been grounded since March 2019 after the crashes of a Lion Air flight near Jakarta on October 29, 2018 and an Ethiopian Airlines flight on March 10, 2019, killing a total of 346, including 18 Canadians.