High-traffic airplanes can't help but accumulate dirt and germs. Yet, some surfaces get much grimier than others due to constant contact and limited cleaning.

Seat belts and phones on aeroplane mode are understandable, but how do tray tables factor into airline safety? Let us find ...

According to Vandekar, a tray table, used for serving food and beverages, can become a hazard during evacuation if left open.

Every time Campbell gets on an airplane, she says she uses disinfectant wipes to clean everything she might touch on the journey — including the seats, tray tables, controls for air and TV ...

Holding up a petri dish containing bacteria from the airplane armrest ... The creator also revealed swab results from the tray table, window shade, and even the in-flight safety manual, all ...