More preflight programming
Think of it as the preparations a real pilot has to do, too, so it is part of the simulation.
Would default ATC have done the same thing...or is it a PFE limitation...
I wouldn't call the default ATC sane and I don't know if it would handle this situation any better.
Both, the default ATC and PFE, do not have access to the approach charts, but maybe the default ATC has a better estimate?
I'd recommend using the charts, e.g. the first page of
http://www.uvairlines.com/admin/resourc ... s/MMMX.pdf