Originally Posted by rrr
If the stall speed is calculated as being X kts and superimposed on the speed display accordingly, but due to iced over pitots at 250kts, your IAS only shows 60 kts, then your stall speed will be off the scale at X kts.
Let's assume that X = 200 kts, i.e. 80% of 250. When IAS then drops to 60 kts, my understanding is the stall speed will be indicated as 48 kts (80% of 60 kts). Am I wrong?