Scroggs
Again hope I'm not stirring the same can of worms opened by para - But did you really feel that much happier arriving at the hold with 10 tonnes than you would have felt if the dial had read 9?
Understand your comments about using 7.5 for the div etc. just appears strange to me (the uneducated ATCO) that your comfort zone seems so strict, or is that the company line?