Originally Posted by
svhar
Normally the wind displayed on the HSI at 50' RA is considerable different from what you have been given.
Which in turn is considerably different from what is actually happening.
It's one of the things that grinds my gears.
FMC derived wind might be useful for giving others spot winds in the cruise.
At a push for sussing out possible tailwind on finals, (stressing the possible).
After that it is historical information.