Originally Posted by
pattern_is_full
Some airlines actually eventually had plates bolted across the flap-handle quadrant to prevent selecting flaps 40.
Discussion on the blocked flaps 40 setting here:
727 Early high sink rate crashes
I saw a couple of 'watch this' demos of flaps 40 with pax onboard decades ago. With the power off the glide ratio was like that of a Coke machine.
