Earlier this year, a team at the The Times used the data from the Lion Air crash to recreate the scene inside the cockpit, minute by minute, to show how the pilots lost the battle to save the flight.

[Read: In 12 Minutes, Everything Went Wrong]

There is an indirect link between Canada’s aerospace industry and Boeing’s need for the special software in the recently developed Max airliners. Boeing was concerned that its new version of the 737, a plane that first flew in 1967, might stall because it had a new type of jet engine that allowed it to fly farther and faster on less fuel while making less noise.

The trouble was that the new engines were much larger than those of traditional jets and wouldn’t fit under the 737’s unusually low wings. So on the Max planes, the engines were positioned well ahead of and slightly above the wing, which created the potential for stalls that the software was supposed to cure.

Both Boeing and Airbus initially dismissed the new engines, but Montreal’s Bombardier bet the future of its aerospace division on them and designed an all-new airliner, the CSeries, around the new technology. But the project, as I wrote in 2015, was hit by delays, cost overruns and a reluctance by carriers to buy from anyone other than Boeing and Airbus.