You barely feel a plane tilt during a standard turn (bank) because of the physics of centrifugal force. When a pilot initiates a turn, they coordinate the "roll" and the "pull," which effectively pushes you straight down into your seat rather than to the side. This is why a cup of water on your tray table won't spill even if the plane is banked at a 25-degree angle; the "resultant force" remains perpendicular to the floor of the cabin. However, you do feel the tilt during the initial rotation at takeoff (the "pitch up") and during the descent when the nose dips. Your inner ear (the vestibular system) is very sensitive to these changes in linear acceleration. In 2026, modern aircraft like the Boeing 787 Dreamliner and the Airbus A350 use advanced "active gust alleviation" systems that make these transitions even smoother, often masking the sensation of tilting so well that you won't realize the plane has turned unless you look out the window and see the horizon shifting.