In these litigious times, I wonder, hypothetically, if one relied on say a Seneca fuel gauge, which was inaccurate, whether there is the possibility of a case against either the a/c manufacturer for fitting inaccurate dials, or the dial maker for making inaccurate dials, or for the a/c owner for allowing inaccurate dials to be fitted. Just a thought, especially in this high-tech age when fuel can be measured to the nanodrop