Aircraft speed: Difference between revisions

Aircraft speed (view source)

195 bytes removed , 7 October 2011

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 === Calibrated Airspeed ===
-*[http://en.wikipedia.org/wiki/Calibrated_airspeed '''Calibrated''' airspeed (CAS)] corresponds to IAS corrected for the measurement error.
+*[http://en.wikipedia.org/wiki/Calibrated_airspeed '''Calibrated''' airspeed (CAS)] is calculated from the IAS correcting it for standard errors.
-For various reasons, aircraft do not carry 'perfect' sensors as they would be used in a scientific experiment, so usually there is some discrepancy between the actual reading of the gauge and the reading a perfect instrument would show. CAS takes into account these errors and can be calculated from the IAS.
+Modern equipment can most often show the CAS. For navigation the CAS is the first step to calculate the GS.
 === Equivalent Airspeed ===