The recommendations of this bulletin apply to commercial type multi-engine transport aircraft utilizing or turbine type powerplants. PURPOSE: The purpose of this bulletin is to set forth the recommendations of the SAE Committee S-7 (Cockpit Standardization) relative to the location and actuation of flight deck controls. These recommendations are intended to minimize confusion and distraction and thereby reduce transition training time@ crew errors@ fatigue@ and other factors detrimental to flight safety and efficiency. In arriving at these recommendations@ the committee carefully reviewed the work of the flight deck layout panel of the Aircraft Committee of the Munitions Board@ the recommendations and requirements of the Civil Aeronautics Board@ the Federal Aviation Agency@ the requirements of the airline operators@ the aircraft manufacturers@ etc. In cases where conflicting opinions existed@ suitable compromises were made.