What does indicated airspeed (IAS) represent?

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Indicated airspeed (IAS) represents the speed value shown on the aircraft's airspeed indicator. This measurement is crucial for pilot operations and performance calculations as it directly correlates with the aircraft's lift and stall speed under specific conditions. IAS is derived from the dynamic pressure of the air flowing past the aircraft's pitot tube and does not account for variations due to altitude or temperature.

To ensure safe and efficient flight operations, pilots rely on indicated airspeed as it helps determine the appropriate configurations for takeoff, landing, and maneuvering in flight. Understanding IAS is vital for maintaining control of the aircraft and for adhering to specific speed limitations.

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