Originally Posted by
Microburst2002
In some cases I think it would be OK not to pull HDG. That would give better VDEV (if you pull HDG the FMGS computes direct distance from a/c to the WPT TO.)
The FCOM does talk about using the Direct To function with one reason given being "The VDEV to be computed on reasonable distance assumptions".
Anybody have a good explanation for this?