Re: aircraft windows

Date:         09 Mar 97 22:55:40 
From:         Bob Mann <>
Organization: R.W. Mann & Company, Inc.
References:   1
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  or MIME structure wrote:
> I'd like to know from what materials aircraft windshields and/or
> canopies are typically made.  Thanks.

Commercial aircraft windscreen transparencies are typically laminated
glass/plastic/glass sandwiches, for strength and penetration resistance,
with integral heating units that preheat/keep the sandwich warm, thereby
minimizing brittleness that might otherwise occur at low OAT.

- Bob Mann
  R.W. Mann & Company, Inc.