large accelerations revisited why can t an aircraft be designed so that the pilot can always be maintained in a upright position perpendicular to the plane of acceleration with the visual helmets now being used that display some of the flight parameters and with a keyboard and manuvering equipment moving with the pilot a pilot may be able to function at accelerations in excess of g is anyone currently pursuing this area or is there a reason why this is impossible at the present time walter a wohlmuth walter capone ccsm uiuc edu u of illinois urbana champaign
