- it's also for targeting a rate from ATC I.e. We're level at FL390 and ATC ask us to descend to FL300 and be level in 6 minutes. Easiest way is VS -1500. A managed descent below the profile on the A320 will only give 1000 FPM and an open descent will give a high rate.
Sigh sigh and sigh
Last edited by de facto; 21st February 2013 at 13:55.