The present method includes the determination of the proper angular setting of a horizontal tail plane to give longitudinal balance at the following flight conditions: 1. Level flight at any speed. 2. Climbing flight at best rate of climb. 3. Gliding at any angle with power off. 4. Conditions 1, 2, and 3 at any altitude. There will also be included in the report the investigation of the effect of an angular setting to give balance at a certain flight condition on the balance at other flight conditions. In general this investigation will determine the force on the stick necessary to give balance at full power and the amount of controllability in a glide with the power off.