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Chapter 2 Aircraft Structure

2-1 IntroductionAn Aircraft is a device that is used, or intended to be used, for !ight, according to the current Title 14 of the Code of Federal Regulations (14 CFR) Part 1, De"nitions and Abbreviations. Categories of Aircraft for certi"cation of airmen include airplane, rotorcraft, glider, lighter-than-air, powered-lift, powered parachute, and weight-shift control. 14 CFR part 1 also de"nes airplane as an engine-driven, "xed-wing Aircraft that is supported in !ight by the dynamic reaction of air against its wings. Another term, not yet codi"ed in 14 CFR part 1, is advanced avionics Aircraft , which refers to an Aircraft that contains a global positioning system (GPS) navigation system with a moving map display, in conjunction with another system, such as an autopilot. This Chapter provides a brief introduction to the Structure of Aircraft and uses an airplane for most illustrations.

structure constructed of wood, steel, or aluminum tubing. [Figure 2-5] The most popular types of fuselage structures used in today’s aircraft are the monocoque (French for “single shell”) and semimonocoque. These structure types are discussed in more detail under aircraft construction later in the chapter. Wings

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