A “stair” is a common element in crossword puzzles related to air travel. For example, a clue might be “Means of boarding a plane” with “stairs” as the solution. This reflects the real-world process of embarking and disembarking aircraft, particularly smaller planes or those at airports without jet bridges.
The inclusion of such clues underscores the pervasive nature of aviation in modern life and how it permeates even leisure activities like crossword puzzles. It also highlights the importance of functional elements of air travel, bringing attention to the practical aspects of flight beyond the romanticized image. Historically, aircraft stairs have evolved alongside airplane design, transitioning from simple, portable steps to integrated stairways and complex jet bridge systems. Understanding this evolution can provide a deeper appreciation for the logistical challenges involved in air travel.