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The wind frame is a convenient frame to express the aerodynamic forces and moments acting on an aircraft. In particular, the net aerodynamic force can be divided into components along the wind frame axes, with the drag force in the −x w direction and the lift force in the −z w direction. Mnemonics to remember angle names
A. Aeronautical operations technician; Air operator's certificate; Air Service Training; Air traffic controller; Air traffic safety electronics personnel
Propulsive, aerodynamic, and gravitational force vectors acting on a space vehicle during launch. The forces acting on space vehicles are of three types: propulsive force (usually provided by the vehicle's engine thrust); gravitational force exerted by the Earth and other celestial bodies; and aerodynamic lift and drag (when flying in the atmosphere of the Earth or another body, such as Mars ...
Pages in category "Aviation licenses and certifications by country" The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes .
divergence where the aerodynamic forces increase the twist of a wing which further increases forces; control reversal where control activation produces an opposite aerodynamic moment that reduces, or in extreme cases reverses, the control effectiveness; and; flutter which is uncontained vibration that can lead to the destruction of an aircraft.
In Canada, spins are a mandatory exercise to get the private and commercial pilot licenses; Canadian recreational pilot permit candidates (1 level below private pilot license) must do a stall and wing drop (the very beginning of the entry to a spin) and must recover from a stall and wing drop as part of training. [25] [26]
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The aerodynamic center is the point at which the pitching moment coefficient for the airfoil does not vary with lift coefficient (i.e. angle of attack), making analysis simpler. [ 1 ] d C m d C L = 0 {\displaystyle {dC_{m} \over dC_{L}}=0} where C L {\displaystyle C_{L}} is the aircraft lift coefficient .