Re: True Air Speed?

Date:         22 Feb 99 03:30:27 
From:         Rob Wells <>
Organization: EUROCONTROL Experimental Centre
References:   1 2
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With these three values floating around for an aircraft's speed, which
value do ATC controllers use?

The displays at the German ATC centre at Karlsruhe showed a value in
knots if I remember correctly.

Rob W. (-:

P.S. Thanks for the useful info about IAS, CAS and TAS.