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737 Eyebrow Windows

Mon Sep 06, 2004 9:12 pm

A while ago there was a thread on Boeing's plans for the eyebrow windows still in the fleet. They have been eliminated on the 717, but at the time there was no definate answer for the 737 windows. Well, I was just on Boeing's website and saw a CG picture of a 737NG without the eyebrow windows (I saw this picture on the orders/deliveries report menu screen). Does anyone else have further information?
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RE: 737 Eyebrow Windows

Tue Sep 07, 2004 12:04 am

I have seen photos of 717's with and without the eyebrow windows....maybe a customer option?
Alas poor Western, I knew them well!
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RE: 737 Eyebrow Windows

Tue Sep 07, 2004 12:12 am

It could be a customer option, I don't know. I do know, however, that the 717 originally had the eyebrows, and many newer ones do not.
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RE: 737 Eyebrow Windows

Tue Sep 07, 2004 1:21 am

The point of eliminating the 'eyebrows' is to reduce maintenance costs,odd Boeing chose to do it with the 'dead in the water' 717 rather than the 73G family was an odd move indeed!
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RE: 737 Eyebrow Windows

Tue Sep 07, 2004 3:38 am

It is not an option- they have been removed from the type certificat or whatever happens there... they are no longer offered.

They were useful back when the DC-9 was designed and people were taking star fixes, etc, but not in the last thirty years.  Smile

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RE: 737 Eyebrow Windows

Tue Sep 07, 2004 4:53 am

Boeing only eliminated the eyebrow windows on the 717 a couple of years or so ago, one benefit being a weight saving that I can't recall off the top of my head. Of course this also means you have fewer windows to maintain, fewer to replace if they get damaged and (from what I've heard at least regarding the 737 eyebrows) fewer windows to fog up as they age. By the sounds of it many operators have chosen not to bother replacing permanently-fogged 737 eyebrow windows as pilots never use them. A side benefit of this is that the pilots don't have to hunt around the cockpit for something to use as a sunvisor for the affected panel!


EDIT: Just found the aforementioned thread: "When Will We Stop Seeing "eyebrow Windows" On 737"

[Edited 2004-09-06 22:01:30]
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RE: 737 Eyebrow Windows

Tue Sep 07, 2004 4:58 am

Word was/is we (WN) are supposed to take our first delivery of the B737NG without eyebrow windows in the 1st qtr 2005.

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RE: 737 Eyebrow Windows

Wed Sep 08, 2004 4:30 am

The 737-800 based MMA will lack eyebrow windows, as well.
When they call the roll in the Senate, the Senators do not know whether to answer 'Present' or 'Not guilty.' -Theodore Roosevelt
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RE: 737 Eyebrow Windows

Wed Sep 08, 2004 4:58 am

I like those eyebrow windows on 727s!

I think it doesn't look good on 737s.

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RE: 737 Eyebrow Windows

Wed Sep 08, 2004 5:04 am

The eyebrow windows are a relic of the pre-TCAS days, and when terminals didn't have the radar they have nowadays. They are more for spotting conflicting traffic, especially in a turn or bank situation.

Until recently every Rolls Royce was supplied with a starting handle. Same thing, a fitment that was made redundant by change but had never been designed out.
Lead me not into temptation, I can find my own way there...
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RE: Rolls Royce

Wed Sep 08, 2004 5:28 am

"Until recently every Rolls Royce was supplied with a starting handle."

You mean a crank, for starting the engine by muscle power? So RRs (until when?) had a hole toward the bottom of the grill, or below it, where you inserted the end of the crank?
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RE: 737 Eyebrow Windows

Wed Sep 08, 2004 11:33 am

We change those damn windows on virtually every aircraft that comes in for heavy check, but for delamination, not fogging. I don't know how much we would save in weight, but I know we'd save a ton in the cost of replacement windows and labor to replace them.
Patrick Bateman is my hero.

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