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What is that triangle that can be seen in the passenger cabin of the planes? A curious fact that will surely catch your attention.
Perhaps, ever sat comfortably in your seat, you put on the seat belt, you read the plane magazine and while you waited for the takeoff, of nothing, you realize that above you on the airplane windows a triangle appears, and you wonder that moment: what is it for and why is it there?
As well, in this new installment of fun facts of aviation I am going to tell you about this very interesting geometric figure whose objective is for the security.
The triangle inside the planes
Inside the passenger cabin, if you pay attention, you will see small triangles marked that can be both red and black. Yes, you guessed correctly and having paid attention you should already know that these geometric figures are aligned with the wings.
If for any reason the flight crew needs to test or verify any situation on the wings, those triangles allow them to perfectly recognize and see the flaps and spoilers as an example, among other parts. The markings are particularly useful in winter situations as well to ensure that the wings are well thawed (a required inspection before takeoff, although it is commonly achieved through a ground team as we reviewed in this post).
There is also another hidden advantage of those black triangles. If you fly on an airline that allows you to select your seat or is it freely assignable, look for one of the triangles inside the cabin. Why? In that row of seats you will have the best and most complete view of the wing, its components and operation, perfect for videos and photos throughout the flight.
did you ever notice?
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Mr.piloto's comment regarding the Rolos triangles is correct, Negros. Atte. Aeronautical Ing..
It is.wrong what you say Julio, First, everything depends on the type and model of the plane, apart from the age, not all of them have it. ,those who do bring it, their function is THE CORRECT, the function to see if the main landing gear or the nose wheel has not lowered is seen inside the cockpit, the first indication if the train has gone down is THREE GREEN LIGHTS, if one did not turn on, a checklist procedure is followed (very long) If this does not work, there is a hatch in the floor, it is opened, it is lowered, it is checked, it is visually checked and there are no nose wheels or main landing gear wheels, the control tower is notified to the passenger cabin., ground emergency services and prepares for an emergency landing,hold on. Jose D. Zamudio
Thank you Jose for your contribution..
In Aurbus and Boeing models cameras were placed to inspect
Correct.
Good evening, it is precisely to have the location of a viewer, which can be accessed by lifting the floor mat, and be able to see if the plane's main gear is stuck. Indications are red.
Then, it is for other planes and it is another indication.
You're going to get gassed from so much 💩 you talk, those indications are not for that or similar…
then with the coarse of "Lau" inform us all so that they are?
It actually indicates the position of a viewer that is on the floor, Under the carpet, and that allows the Cabin Crew to verify that the landing gear is locked. If in the cockpit they receive the indication that it has not locked, through that viewfinder and through a system of mirrors, verification is done
I don't think it's the same in this case..
Although what you say is true, that is for older planes like for example, the 737-200, 727…
Thanks Jorge!