Flying out of SeaTac? Find the black triangle above the window

So, you're going on a vacation, you're all excited and you're getting on the plane, and as you walk on the plane, you notice that a couple of seats have a little black triangle above the window. What is that black triangle all about? Why is it there, and why is it only above certain windows? On the plane. loading...

The answer is something I never thought about.

According to msn.com,

‘ On TikTok, a flight attendant for Cebu Pacific, Henny Joyce Lim, agreed.

“Passengers sitting next to the triangles get the best view of the wings,” she added.

“If the flight crew need to check the wings, these triangles let them know the best vantage points for the slats and flaps outside.”’

That's right, the black triangle above that window seat. Above that window indicates the windo