Henny Joyce Lim, a flight attendant for Philippines-based airline Cebu Pacific, is sharing the "secret" meaning behind black triangle stickers in airplane cabins. eric1207cvb - stock.adobe.com They’re ...

Next time you're on a flight, look just above the windows, and you might spot a small black triangle sticker. Most passengers never notice them -- they're easy to miss, just like the tiny holes in the ...

There are small, black triangles above some of the windows on the left and right sides of the plane. If you search the internet for the functions of these triangles, you will find all kinds of ...