I noticed that there is a stripe along the upper edge of both forward windshields in the Embraer E-Jets:

(cropped from Wikimedia)

I tried to find a better picture, but couldn't find anything closer. This YouTube video clearly shows the stripe several times:


What is this stripe used for? The only thing I can think of is window heating, but these elements usually look quite different, as can be here: What is this pattern on the A350 front window?


1 Answer 1


It's a heater bus bar. In fact, the Q/A about the sensor loops that you linked has a great example of the same if you scroll to the bottom of the best answer.

  • $\begingroup$ So there should be another of these at the bottom (probably hidden behind the glareshield) and then current flows between them for heating? $\endgroup$
    – Bianfable
    Mar 25, 2021 at 15:51
  • 2
    $\begingroup$ @Bianfable Of course you're right, in fact you can see them from the outside: i.ytimg.com/vi/HEWumjfD6w4/maxresdefault.jpg $\endgroup$
    – zaitcev
    Mar 25, 2021 at 15:56
  • $\begingroup$ Having never been in the cockpit of an Embraer E-Jet, I would have guessed it was a rod to move the sun shade left to right on to adjust for the angle of the sun. $\endgroup$
    – FreeMan
    Mar 26, 2021 at 17:32

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