_Colors_. The Club colors are Sky Blue and Red. ART. VIII _Arrears_. A member one month in arrears shall not have a vote at the meetings, nor hold office in the Club. ART. IX _Order of Business._ 1. Reading of Business. 2. Reports of Officers and Committees. 3. Unfinished Business. 4. Election of Officers. 5. New Business. DICTIONARY OF AERONAUTICAL TERMS A Aerodrome. A tract of land selected for flying purposes. Aerodynamics. The science of aviation, literally the study of the influence of air in motion. Aerofoil. A flat or flexed plane which lends support to an aeroplane. Aeronaut. One engaged in navigating the air. Aeronautics. The science of navigating the air. Aeroplane. A heavier than air machine supported by one or more fixed planes. Aerostatics. The science of aerostation, or of buoyancy caused by displacement, ballooning. Aerostation. The science of lighter than air or gas-born machines. Aileron. The outer edge or tip of a plane, usually adjustable, used to balance or stabilize. Airship. Commonly used to denote both heavier and lighter than air machines; correctly a dirigible balloon. Angle Of Incidence. The angle of the plane with the line of travel. Area. In the case of planes, the extent of surface measured on both the upper and lower sides. An area of one square foot comprises the actual surface of two square feet. Aspect Ratio. The relation of a surface crossing the direction of flight with that paralleling the line of flight. Automatic Stability. Stability secured by fins, the angle of the planes and similar devices. Aviator. One engaged in aviation. Aviation. The science of heavier than air machines. B Balancer. A plane or other part intended for lateral equilibrium. Biplane. An aeroplane with two supporting surfaces one above the other. Body. The main framework supporting the plane and the machinery. C Camber. The curve measured from the cord to the highest point of the plane. Carriage. The part on which the main body is supported on land or water. Center Of Gravity. The point at which the aeroplane balances. Center Of Pressure. The imaginary line beneath the plane at which the pressure balances. D Deck. The main surface of a biplane or multiplane. Directional Control. The ability to determine the direction of the flight of an aeroplane. Dirigible. A balloon driven by power. Down Wind. With the wind. Drift. The resistance of the plane to the forward movement. E Elevator. The plane or wing intended to control the vertical flight of the machine. Engineer. One who controls the power, driving the machinery. Entering Edge. Front edge of the forward plane of an aeroplane.