Coff,
will get in early with my inject, then AA62 can correct me (he always was better at numbers than me!) We had clearance to exceed the trim envelope on Para Wedge sorties, while the troops were stood up and kit distributed prior to drop. The drawn trim envelope on the back of the trim sheet used to be covered in plots of trim at various stages, always fun to do! Every AD sortie was the same with regard to multiple plots (apart from double msp), equally as challenging of course was the trim plot on the tanker, using the plumb bob and etched floor plate at the rear of the wheel well to calculate the floor angle so the ALM could read the sight glass on the internal tanks, or as AA62 has previously stated use the broom handle to check the contents.