Originally Posted by Machinbird
Unfortunately on a transport aircraft where it is completely realistic to be flying with your feet off the pedals, rudder pedal shakers cannot be depended upon to convey the message. (...)Unfortunately the Airbus A320/330/340/380 have a dinky little stick that can be highly sensitive to motion, so stick shakers are out as a means of conveying a stall warning.
Like feet-on-pedals, the sidestick is not normally held in the hand in cruise.
By vibrating the seat bottom, the crew could receive a stall warning message through a tactile mode of sensing and not add to the cockpit uproar.
Excellent idea! I wonder if it was ever considered in the design.