Re: True Air Speed?

Date:         01 Feb 99 02:36:50 
From:         jsmeeker@NOSPAMPLEASE.cyberramp.com (Jeff Meeker)
Organization: posted via: CyberRamp.net, Dallas, TX (214) 343-3333/(817) 461-8484 for info
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On 17 Jan 99 02:37:19 , "Scott" <scott@golfmike.demon.co.uk> wrote:
>Can anyone tell me how to work out TAS for IAS?
>What other info is required?

Simple.

IAS is indicated airspeed.  This is what show on your aisrpeed
indicator, and is meassurred directylr by the pitot/static system.

CAS is calibrated airspeed.  This is IAS corrected for installation
error.  This is value is obtained by looking it up in a chart in the
operating handbook.

TAS is ture airspeed.  This is calibrated airspeed corrected for
pressure altitude and temperature.

To sum up, IAS is what shows on your gauge.  CAS correctes the errors
in IAS, and TAS corrects the CAS based on pressure, altutude, and
temperature.

Jeff