C.E.:. .. .A cheese board?. .. .Uh, that is a piece of wood ya use to cut and serve yer cheese?. .. .As for Mach number separation:. .Yup, been there as well. Hauled many old 747s between Jeddah and S.E. Asia.. .Don't think slower craft was that big of a problem: After all, one gets paid by the hour, one slows down, one negotiates a different routing, etc.. .. .Say hello to the sand-box. If I never see it again, that will be too soon. <img border="0" title="" alt="[Big Grin]" src="biggrin.gif" />