Indicated airspeed

From Glossary of Meteorology



indicated airspeed[edit | edit source]

(Abbreviated IAS.) The airspeed read or recorded directly from an airspeed indicator.

Indicated airspeed is usually lower than the actual airspeed and must be corrected for both temperature and density to yield true airspeed. The correction is quickly accomplished on an ordinary navigational computer.


The speed on an exposed (usually airborne) object relative to the atmosphere.

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