IF you have good seat of the Pants feel you will avoid stalls if an instrument and/or your calculations are wrong. Every different flap setting has a different stall figure and is weight and Cof G position affected as well. Spoiler float will require added speed and so will icing. AoA or Reserve lift Indication is essential to be safe. IF you don't have that seat of the Pants is a definite help. When you first did S & L , as you slowed you noticed the controls getting lighter and less effective , wind noise reduced and pre stall Buffet when you did stalls . Remember? Nev