No eyebrow windows

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>From Avweb:
Windows On The Way Out
 Boeing's 717 jets will soon lose their "eyebrow" windows above the cockpit.
The decision to remove the glass was simply economic, and it probably won't
stop with that model. The company is considering removing the eyebrow
windows on the 737 as well. Gary Bartz, a senior engineer with Boeing, told
the Wichita Eagle it would cost less for the company to build the airplanes
without the windows, and it would also cost less to maintain the aircraft
since the small windows are heated, like the main cockpit windshield.
According to Bartz, the FAA had to agree to the change due to regulations
regarding cockpit visibility. However, it was a simple matter on the 717
since the eyebrow windows were not used for FAA certification. It's all part
of Boeing's effort to reduce the per-unit cost of producing an aircraft.
Wonder if anyone's looked at all those wheels?

My question:  As a percentage of the cost of the aircraft,just how much
savings is there in not having these windows?

David Ross
http://home.attbi.com/~damiross/
http://home.attbi.com/~damiross/airlines.html
http://home.attbi.com/~damiross/books.html

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