![]() Therefore, aircraft loads must be known early enough to make a design “right the first time.” Aircraft shaping dictates the pattern of pressure distribution over the wetted surface that directly affects load distribution. ![]() However, this chapter does outline the key elements of aircraft loads. ![]() Estimation of load is a specialized subject covered in focused courses and textbooks. It is assumed that designers are supplied with aircraft V-n diagrams by the aerodynamics and structures groups. Only the loads and associated V-n diagram in symmetrical flight are discussed herein. Although the information provided herein is not directly used in configuring aircraft, the knowledge and data are essential for understanding design considerations that affect aircraft mass (i.e., weight). This book does not address load estimation in detail but rather continues with design information on load experienced by aircraft. Aircraft designers must comply with mandatory certification regulations to meet the minimum safety standards. The heavier the load, the heavier is the structure hence, the MTOW affecting aircraft performance. The bulkiness of the aircraft depends on its structural integrity to withstand the design load level. Aircraft structures must withstand the imposed load during operations the extent depends on what is expected from the intended mission role.
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