- 産業: Government
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A standard instrument approach procedure in which both vertical and horizontal guidance is provided.
Industry:Aviation
A horizontal surface mounted ahead of the main wing to provide longitudinal stability and control. It may be a fixed, movable, or variable geometry surface, with or without control surfaces.
Industry:Aviation
A low-powered transmitter that directs its signal upward in a small, fan-shaped pattern. Used along the flight path when approaching an airport for landing, marker beacons indicate both aurally and visually when the aircraft is directly over the facility.
Industry:Aviation
To adjust the aerodynamic forces on the control surfaces so that the aircraft maintains the set attitude without any control input.
Industry:Aviation
A combination of rolling and yawing oscillations that normally occurs when the dihedral effects of an aircraft are more powerful than the directional stability. Usually dynamically stable but objectionable in an airplane because of the oscillatory nature.
Industry:Aviation
A system of lights similar to the VASI, but consisting of one row of lights in two- or four-light systems. A pilot on the correct glideslope will see two white lights and two red lights. See VASI.
Industry:Aviation
A configuration in which the span of the forward wings is substantially less than that of the main wing.
Industry:Aviation
A small auxiliary hinged portion of a movable control surface that can be adjusted during flight to a position resulting in a balance of control forces.
Industry:Aviation
