The atmosphere curve of the walrus (nflv-engine-ar1-1) doesn't approach 0. Will update this issue if I come across others in LV lineup.

atmosphereCurve
		{
			key = 0 315
			key = 1 285
			key = 12 100
		}

The Manatee has the same atmosphere curve as well nflv-engine-ar1c-1

Fixed for 2.1.3