22.1. Introduction

Reference:  Abbott, Richard. Analysis and Design of Composite and Metallic Flight Vehicle Structures 3 Edition, 2019

Figure 21.1.1‑1: Principal Aircraft Structural Sub Assemblies  (FAA-H-8083-31, 2012)
Figure 21.1.1‑2: Definition of Aircraft Axis System  (FAA-H-8083-31, 2012)