Airspeed

Airspeed refers to the speed of an aircraft relative to the surrounding air. It is a critical parameter in aviation, as it affects performance, control, and safety. Airspeed can be measured in various ways, with the most common types being: 1. **Indicated Airspeed (IAS)**: This is the speed shown on the aircraft's airspeed indicator, uncorrected for variations in air density or instrument errors.