On Monday, April 6, 2015 at 9:34:02 AM UTC-7, wrote:
I have to second the value of having an artificial horizon...and knowing how to use it. I just installed an S80 because of the artificial horizon.
Instant on. No tumbling.

I imagine getting involved with any IMC related to wave probably will not be resolved with an AH. Ask Eric Larson and Bob Speilman. Roll Cloud?