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      MC84


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      Post #63925, posted on 07-30-2016 GMT-5 hours    
      Hello,

      I've only had a simple Question, what are these Yellow Areas on the top of ANA Wings for?



      I don't find anything at Web for that.

      Thanks!
      Marco

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      Exile


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      Post #63928, posted on 07-30-2016 GMT-5 hours    
      Quote
      MC84 :
      Hello,

      I've only had a simple Question, what are these Yellow Areas on the top of ANA Wings for?



      I don't find anything at Web for that.

      Thanks!
      Marco



      I'd be interested to know too. I wondered what they were when I built this.


      Al

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      scotty100368


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      Post #63933, posted on 08-01-2016 GMT-5 hours    
      A patch of contrasting colour is used to detect ice build-up on the wing. If it is "faded", the ground engineers need to de-ice before flight.

      Here's a better pic: http://www.airlinereporter.com/wp-content/uploads/2013/06/IMG_7509.jpg

      ANA's 777 have a large stripe with a yellow spot: http://www.airliners.net/photo/All-Nippon-Airways-ANA/Boeing-777-381-ER/3863697

      JAL have different patterns on their aircraft: http://www.airliners.net/photo/Japan-Airlines-JAL/Boeing-787-8-Dreamliner/2780687

      Scott.

      Scott Garard
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      MC84


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      Post #63934, posted on 08-01-2016 GMT-5 hours    
      Hello Scott,

      MANY THANKS!! It was the right decision to ask here.

      Marco

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      Jennings


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      Post #64177, posted on 09-02-2016 GMT-5 hours    
      Indeed, they are ice detection patches. Different airlines have different setups, or none at all.

      If you notice when you're flying aboard an Airbus product, you'll see a small black triangle above the windows (inside the cabin) at certain points. Those are to alert the crew as to which windows give the best view of the wing and engine so someone can walk back and put eyeballs on them to look for ice. I couldn't figure out what they were for, so I asked a flight attendant. She said she'd never noticed them before (I told her I was an airplane geek as well as a pilot), but she went up and asked the F/O, who kindly came back and explained it to me!

      One reason I like Delta...