What Are Those Triangle Stickers Above Your Window on the Airplane?


Traveling by plane is a thrilling experience that never fails to uplift my spirits. The anticipation as the plane taxis down the runway, the gentle hum of the engines, and the feeling of soaring above the clouds – it’s all incredibly invigorating. And let’s not forget the joy of securing a great seat with a picturesque view. The world looks like a masterpiece from up there, with landscapes unfolding like pages in a storybook. Whether it’s the sunrise over distant mountains or the glittering city lights at night, these moments make every journey unforgettable.

During your next journey by air, take a moment to glance around the interior of the airplane. You might just notice something interesting – four distinct stickers, either black or red, positioned above the windows. Two of these stickers can be found on each side of the aircraft. While they may not hold much significance for you, they carry great importance for flight attendants and crew members.

source: Reddit

If you happen to be seated in close proximity to these sticker-adorned windows, try looking out. You’ll observe that these stickers are in perfect alignment with the airplane’s wings – one sticker positioned at the front of the wing, and another at the rear. Ever wonder why they’re there? These unobtrusive stickers serve as helpful indicators for flight attendants and pilots when they need to inspect the aircraft’s wings. Whether it’s a routine check for issues like ice accumulation on the movable parts of the wing, such as the flats and slats, or a comprehensive assessment of wing conditions, these stickers serve as guides. They eliminate the need for flight crew members to navigate through rows of passengers to get the best view of the wings, streamlining their tasks and enhancing efficiency.

Interestingly, those who might not typically concern themselves with the intricacies of flight might discover their own utility for understanding the airplane’s wings. Picture this: the wings are the pivotal point of balance for most airplanes, much like the fulcrum of a seesaw. The aircraft ascends and descends along an axis that runs through these wings. It’s comparable to the experience of sitting at the center of a seesaw – by being situated over the wings, you’ll experience the least amount of motion and enjoy the smoothest ride possible.

The inconspicuous triangle stickers adorning the airplane’s windows carry a dual purpose. For flight attendants and pilots, they act as precise markers directing their attention to the wings during inspections. For passengers, an understanding of the significance of the wings – both in terms of balance and minimized motion – can help make the flying experience even more comfortable.

Next time you find yourself on an aircraft, these tidbits of knowledge might just add a new layer of appreciation to the intricacies of flight and the thoughtful design considerations that enhance both crew performance and passenger comfort.