Originally Posted by mooney

Even without the isis if you loose all 3 airspeed indicators by some act of God inflight just go flaps 45 on the approach 63 ish % N1 and you'll be within about 5 kts of ref 99% of the time on a 3 degree slope in the -200. Add 1% N1 for every 100 lbs of flight attendant weight.

Originally Posted by dogpilot

You do 63ish in den on a hot day you will stall that bad boy especially if your heavy