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Aircraft maintenance
Principles, fundamentals, and technical procedures for aircraft maintenance, including terms on airframe, powerplant ratings, mathematics, aircraft drawings, weight and balance, aircraft materials, processes and tools, physics, electricity, inspection, ground operations, and FAA regulations governing the certification and work of maintenance technicians.
Industry: Aviation
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Aircraft maintenance
dew point
Aviation; Aircraft maintenance
The temperature to which humid air must be cooled at constant pressure to become saturated.
dial indicator
Aviation; Aircraft maintenance
Measures variations in a surface by using an accurately machined probe mechanically linked to a circular hand whose movement indicates thousandths of an inch, or is displayed on a liquid crystal ...
diameter if a circle
Aviation; Aircraft maintenance
The length of a line passing directly through the center of a circle. Twice the radius of the circle.
direct current (DC)
Aviation; Aircraft maintenance
Electricity that flows in one direction at all times.
directional stability
Aviation; Aircraft maintenance
Stability about the vertical axis of an aircraft, whereby an aircraft tends to return, on its own, to flight aligned with the relative wind when disturbed from the equilibrium state.