That really relates to the PBN initiatives that I was talking about in my testimony.
The Toronto, Ottawa, Montreal corridor was chosen initially because of the density of traffic in that corridor that produced a lot of positive results. However, performance-based navigation, satellite-based approaches, are much more efficient than the traditional methods. They allow aircraft from the top of their descent at 35,000 feet to throttle back, and the pilots never touch the throttles again until they hit the runway.
The amount of fuel savings is quite incredible given these modern technologies allowing that. So we are designing the airspace and the procedures to allow this to happen. Eventually—maybe in a long time, once we have everyone equipped and the technology deployed appropriately—we hope to be able to do this everywhere.