Re: Stand-by instruments (was external inspection)

Date:         13 Jan 99 02:13:53 
From:         Seth Dillon <bdillon1@mindspring.com>
Organization: MindSpring Enterprises
References:   1 2 3
Followups:    1
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M. Jones wrote:
> >You may not be aware that the flight instruments in newer transports are
> >electrically driven instruments; that is to say breaking the VSI or
> >other pressure gauge might work in a light plane but will not recover
> >the pitot-static system ...

How would breaking the glass of the VSI give you an alternate static
source in a pressurized aircraft?