- Industry: Government
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A condition in which air enters the fuel system and it may be difficult, or impossible, to restart the engine. Vapor lock may occur as a result of running a fuel tank completely dry, allowing air to enter the fuel system. On fuel-injected engines, the fuel may become so hot it vaporizes in the fuel line, not allowing fuel to reach the cylinders.
Industry:Aviation
This is the “rough air” speed and the maximum speed for abrupt maneuvers. If during flight, rough air or severe turbulence is encountered, reduce the airspeed to maneuvering speed or less to minimize stress on the airplane structure. It is important to consider weight when referencing this speed. For example, VA may be 100 knots when an airplane is heavily loaded, but only 90 knots when the load is light.
Industry:Aviation
A force vector is a graphic representation of a force and shows both the magnitude and direction of the force.
Industry:Aviation
An imaginary line passing vertically through the center of gravity of an aircraft. The vertical axis is called the z-axis or the yaw axis.
Industry:Aviation
A magnetic compass that consists of an azimuth on a vertical card, resembling a heading indicator with a fixed miniature airplane to accurately present the heading of the aircraft. The design uses eddy current damping to minimize lead and lag during turns.
Industry:Aviation
An instrument that uses static pressure to display a rate of climb or descent in feet per minute. The VSI can also sometimes be called a vertical velocity indicator (VVI).
Industry:Aviation
Stability about an aircraft’s vertical axis. Also called yawing or directional stability.
Industry:Aviation
The maximum speed with the flaps extended. The upper limit of the white arc.
Industry:Aviation
The maximum speed that the flaps can be extended or retracted.
Industry:Aviation
