[#]Onthisday ⭕️May 2⭕️ #deHavilland Comet #BOAC
(1952) was the world's first (high altitude) passenger airliner
https://admiralcloudberg.medium.com/neither-money-nor-manpower-the-story-of-the-de-havilland-comet-and-the-crash-of-boac-flight-781-36db2a3435ce
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The failure was a result of metal fatigue caused by the repeated pressurization and de-pressurization of the cabin
supports around the windows were only riveted not glued, ⭕punch rivet construction Unlike ⭕drill riveting, the imperfect nature of the hole created by punch riveting may cause the start of fatigue cracks around the rivet
https://aviation-safety.net/asndb/335195
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