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| Aileron | A moveable surface hinged to the trailing edge of a plane's wing to control roll. |
| Airfoil | A shaped structure that causes lift when propelled through the air. A wing, propeller, rotor blade, and tailplane are all airfoils. |
| Bogie | The wheel assembly on the main landing leg. |
| Control Surface | A moveable surface that, when moved, changes an aircraft's angle or direction of flight. |
| Delta Wing | A triangular or near-triangular shaped wing, with the trailing edge forming the flat base of the triangle. |
| Elevator | A control surface hinged to the back of the tailplane that controls climb and descent. |
| Fin | The fixed vertical surface of a plane's tail unit that controls roll and yaw. |
| Flap | A surface hinged to the trailing edge of the wings that can be lowered partially, to increase lift, or fully, to increase drag. |
| Leading Edge | An airfoil's front edge. |
| Propeller | The engine-driven rotating blades that create the thrust that pushes an aircraft forward. |
| Rudder | The movable control surface hinged to the tail fin that controls yaw. |
| Slat | An extra, small aileron fitted to the leading edge of an airfoil to increase lift. |
| Slot | The gap between the slat and the main airfoil surface. |
| Span | The distance from wingtip to wingtip. |
| Spoiler | The control surface of an aircraft's wings that disturbs air flow over the wing and destroys lift. In use, a spoiler increases drag and slows an aircraft. |
| Tailplane | The horizontal airfoil surface of the tail unit that provides stability along the length of an aircraft. The tailplane may be fixed or adjustable. |
| Thrust Reversers | The parts of the engine that deflect exhaust gases forward to slow an aircraft when landing. |
| Trailing Edge | An airfoil's rear edge. |
| Wing | The principal supporting surface on both sides of an aircraft. |
| Tailplane | The horizontal airfoil surface of the tail unit that provides stability along the length of an aircraft. The tailplane may be fixed or adjustable. |