Ah, then wallybird7, you and I ARE on entirely the SAME page then. Because that is the root of the mystery here - why didn't they deviate? Everything that follows is a consequence of this fundamental issue. And we can postulate alternate trim functionality, this law or that, until we are blue in the face, but were it not for a simple 100nm East or West (name your distance/direction), we would not be having this discussion, which makes this all the more sobering.