3.1 Overview3.2 Introduction3.3 Airflow Behaviour – Laminar and Turbulent3.4 Flow Past an Aerofoil3.5 Generation of Lift3.6 Aircraft Motion, Forces and Moments3.7 Definitions of Aerodynamic Parameters3.8 Aerofoils3.9 Reynolds Number and Surface Condition Effects on Aerofoils – Using NACA Aerofoil Test Data3.10 Centre of Pressure and Aerodynamic Centre3.11 Types of Stall3.12 High‐Lift Devices3.13 Flow Regimes3.14 Summary3.15 Aerofoil Design and Manufacture3.16 Aircraft Centre of Gravity, Centre of Pressure and Neutral PointReferences