Re: True Air Speed?

Date:         01 Feb 99 02:36:51 
From:         gwilson404@aol.com (GWilson404)
Organization: AOL, http://www.aol.co.uk
References:   1
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In article <airliners.1999.50@ohare.Chicago.COM>, "Scott"
<scott@golfmike.demon.co.uk> writes:

>Short and Sweet.
>
>Can anyone tell me how to work out TAS for IAS?
>What other info is required?

Unfortunately the process is not so short and sweet!

Essentially you need also to know the (pressure) altitude, which allows you to
calculate Mach number. You then also need to know outside total air
temperature, from which you can calculate the speed of sound and then TAS =
speed of sound x Mach number. Hey presto!

You could find the formulae in any basic aeronautics text book.

Gerald Wilson