In response to two significant plane catastrophes in the 1950s, it has been disᴄʟᴏsᴇd by FLIGHT SECRETS why windows on airplanes are usually circular rather than square. Unsolved questions like why all airplane seats are blue and the purpose of the yellow hook on the wing have been solved thanks to flight secrets. The fact that airplane windows are always circular, in contrast to how windows in buildings are often square, may have also caught the attention of ᴍᴀɴy passengers. This was implemented in the 1950s, and its motivation is unrelated to aesthetics. 1954 saw two plane crashes, which served as the impetus for the windows’ transition from square to round.
The de Havilland Comet, which made its inaugural flight in 1949, was the first commercial airplane in history and revolutionized the aviation sector.
However, two plane crashes in 1954 proved to be its undoing and altered the way that airplanes are built. 20 minutes after takeoff, flight 781 from Rome exploded, and six months later, flight 201 from Johannesburg crashed into the Mediterranean Sea.
The results of an examination into the crashes revealed that the metal fatigue and insufficient structural integrity of the aircraft were to blame. The pressure from the fuselage caused the plane to be torn apart, and cracks were discovered around the door and window openings.
The square windows’ angles revealed that the pressure within the cabin was three times higher than elsewhere.
Following the inquiry, de Havilland modified the windows by making them rounder, setting the standard for all future designs of aircraft.
The first Boeing 707 to fly with the new designs was in 1954, and other aircrafts shortly followed. The presence of tiny holes in the window allows an aircraft to regulate pressure in another way. This implies that an interior pane of a plane can retain pressure even if the outer pane splits.
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Video resource: Mogol TV ENG
