+This section presents weight and balance analysis for the example airplane. This is invovles more detailed analysis as compared to initial weight estimation, where empty weight was directly computed using historical data. Specifically, weight of major aircraft structural components are computed using detailed statistical methods, which are later on added to compute empty weight. These weights are later also used for computing the CG of the airplane in different scenarios such as with fuel and without fuel. This is finally used to plot the CG travel diagram to visualize how CG moves as the airplane is loading/unloaded. It is important to estimate the weights as accurately as possible at this stage of design since it will affect the performance and cost estimation. Refer to lecture notes, Raymer Chapter 15, Roskam Part 2 Chapter 10, Roskam Part 5 Chapter 2-7, and Nicolai and Carichner Chapter 20 for more details.
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