Flight attendant reveals the true reason behind the small black triangle on the wall of the plane: ‘Mystery solved’

A flight attendant has shared the real reason behind the small black triangles often seen on flat walls.

Henny Lim, a flight attendant at Philippine airline Cebu Pacific, revealed that the triangles indicate the best spot on the plane to see the wings clearly.

In a now viral TikTok video She said the stickers above the center windows give passengers the best view of the wings, but also let flight attendants know the “best vantage points for the outside louvers and flaps.”

The short clip has since been viewed more than 304,000 times, with many admitting they had never noticed the small sticker before.

“Passengers seated next to the triangles get the best view of the wings,” Henny wrote in the video as she shot the inside of an empty plane.

Henny Lim, a flight attendant with Philippine airline Cebu Pacific, revealed the multiple reasons for the small triangles

‘If you’re flying on an airline that allows you to choose your own seat, look for one of the triangles in the cabin.

“Anyone who likes to take window photos or videos will get the best view of the wings from these seats.”

“Very informative,” one commented, while another said: “Thanks very much for the tip.”

She said the stickers above the center windows give passengers the best view of the wings and also let flight attendants know the

She said the stickers above the center windows give passengers the best view of the wings and also let flight attendants know the “best vantage points for the outside slats and flaps” if they need to check the wings

Previously, Henny also revealed the real reason why airplane windows all contain small holes.

She said the punctures are also called “blood holes” and are essential for safety.

“The small hole helps balance the pressure difference between the cabin and the outside air,” Henny said in a video.

Airplane windows consist of three layers of glass and acrylic to keep them insulated and safe.