Understanding the 4 main types of flaps (and why they matter): Flaps aren’t just for landing slower, they shape airflow, control lift, and affect how your aircraft performs during approach. Here are the key types you’ll need to recognise (and understand for the exam): • Plain Flap – Hinged at the trailing edge. Simple design, increases lift and drag. • Split Flap – Lower surface deflects independently. Creates more drag, useful for steep approaches. • Slotted Flap – Air flows through the slot, d