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The rudder may also be called upon to counter-act the adverse yaw produced by the roll-control surfaces. If rudder is continuously applied in level flight the aircraft will yaw initially in the direction of the applied rudder – the primary effect of rudder. After a few seconds the aircraft will tend to bank in the direction of yaw.
The flight deck control has three positions: off, automatic ("armed"), and manual (rarely used). On landing approach "automatic" is selected and, on touchdown, a sensor called a weight-on-wheels switch signals the lift dumpers to be raised. The flight control spoilers are also raised as additional lift dumpers.
Cockpit controls and instrument panel of a Cessna 182D Skylane. Generally, the primary cockpit flight controls are arranged as follows: [2] A control yoke (also known as a control column), centre stick or side-stick (the latter two also colloquially known as a control or joystick), governs the aircraft's roll and pitch by moving the ailerons (or activating wing warping on some very early ...
Collection of control yokes at Boeing Future of Flight Museum: 747, 707, B-29, Trimotor.The former two yokes are W-shaped, while the latter two are circular. The cockpit of Concorde, which has an M-shaped yoke mounted on a control column The cockpit of an Embraer ERJ with an M-shaped yoke "W"/"U" style yoke in a Cessna 152 light aircraft, mounted on a horizontal tube protruding from the ...
Several technology research and development efforts exist to integrate the functions of aircraft flight control systems such as ailerons, elevators, elevons, flaps and flaperons into wings to perform the aerodynamic purpose with the advantages of less: mass, cost, drag, inertia (for faster, stronger control response), complexity (mechanically ...
A yaw damper may remove the necessity for a pilot to make any contact with the rudder pedals during turns on a range of aircraft, including jet-powered ones. [2] [3] Some aircraft, such as the Boeing 727 and Vickers VC10 airliners, are fitted with multiple yaw damper systems due to their operation having been deemed critical to flight safety ...
The wing root fairing of an American Aviation AA-1 Yankee. An aircraft fairing is a structure whose primary function is to produce a smooth outline and reduce drag. [1]These structures are covers for gaps and spaces between parts of an aircraft to reduce form drag and interference drag, and to improve appearance.
(Control system fatigue failures are here, but improperly installed or incorrectly adjusted controls in the next section.) United Airlines Flight 585, Boeing 737, March 3, 1991. The hydraulic servo that controlled the rudder had an un-commanded actuation, resulting in a "hardover" where the rudder unexpectedly reversed. All 20 passengers and 5 ...