Re: Props vs Fuselage Windows

Date:         02 Mar 97 15:18:06 
From:         Bill Chivers <>
Organization: Chivers Consultants
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In article <airliners.1997.583@ohare.Chicago.COM>,
>On 01 Mar 97 02:44:58 , Tom Gibson <> wrote:
>>I've noticed that all of the old prop airliners (from the DC-4 through
>>at least the Electra) have no passenger windows exactly even with the
>>geometrical plane of the props.  Was this a CAA requirement for
>>certification?  I assume it was to avoid passenger injury if a prop let
>>go; is this correct?  Is it still a requirement, or is there a
>>reliability threshold that now needs to be met before this requirement
>>is waived?  Thanks.
>Whether of not the window is there would make no difference if a blade


Probably more to do with shedding ice. Our aeroplanes all have dents in
line with the blade disc, in spite of the fact that the skin is
thickened at that point.

Bill Chivers
'my other signature file has something funny at the bottom of it'