A sizable chunk of the world is currently considered hazardous for commercial aviation.[1] Ops.group maintains a quick reference map. It's bad.

That map projection is the worst choice possible. It makes Russia appear much larger in relation to e. g. Africa than it really is.

	▲	Animats 4 hours ago \| parent [-]
		> That map projection is the worst choice possible. For navigation, the Mercator projection is useful, because a straight line on the chart is where you go with a constant bearing. Aerial navigation is waypoint/bearing/waypoint/bearing. So most aviation maps are Mercator.