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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
foreign object damage (FOD)
Aviation; Aircraft maintenance
Any damage caused by any loose object to aircraft, personnel, or equipment. These loose objects can be anything from broken runway concrete to shop towels and safety wire.
fraction
Aviation; Aircraft maintenance
A number written in the form N ⁄ D in which N is the numerator and D is the denominator. For example, 5 ⁄ 16 is a fraction.
frequency
Aviation; Aircraft maintenance
The number of cycles (on/off) completed per unit of time. Usually expressed in Hertz.
fretting corrosion
Aviation; Aircraft maintenance
Occurs when two mating surfaces, normally at rest with respect to one another, are subject to slight relative motion.
fuse
Aviation; Aircraft maintenance
A protective device containing a special wire that melts when current exceeds the rated value for a definite period.
fuel grade
Aviation; Aircraft maintenance
The rating system used for aviation gasoline. It rates fuel according to its antidetonation characteristics.