I want to know about the Details of Enhanced ground proximity warning system or(EGPWS). Now it's Manadatory Device from 01 Feb 2005. Why it is so required in flight? Please reply me briefly.

Contact Details:

Zahiruddin Md. Imrul Quayes
Director(Operations & Marketing)
Cascade International Ltd.
NDOHS,Mohakhali, Dhaka
Phone: +88-9136334, +88-0187083135 (Cell)
E-mail: imrul_Quayes@yahoo.com
        zumiqctg@yahoo.com
        confidentair@yahoo.com
Web: http://quayes.friendpages.com