https://www.themoscowtimes.com/2019/03/24/naked-russian-man-tries-to-board-plane-claiming-to-be-more-aerodynamic-a64932
The man passed through the Ural Airlines flight’s registration before suddenly stripping off his clothes and running stark naked onto the jet bridge, eyewitnesses said.
“He shouted that he was naked because clothing impairs the aerodynamics of the body. He flies with more agility when undressed,” REN TV quoted a fellow passenger as saying.