Re: Peruvian 757 crash -- possible cause reported

Date:         10 Nov 96 04:52:40 
From:         "David G. Davidson" <>
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Praxis - Bjxrn Erling Flxtten wrote:

> However, theory aside, isn't it amazing that modern aircraft with all
> this technology is not equipped with a sensor to check for obstructed
> static and / or dynamic ports?

The 757/767 does display ground speed on the EADI and wind speed and
direction on the EHSI. These numbers come from the IRS.

Seems like this information (along with pitch attitude and vertical
speed) should be enough to keep you out of harms way.

BTW- VS also comes from the IRS on the 757/767.