A Google engineer has attracted worldwide attention for somehow retaining tranquillity and a sense of humour, as he watched the plane he was on begin to disintegrate.
Erik Haddad, a San Francisco local travelling to Hawaii, posted a series of tweets that have now gone viral, as his flight made an emergency landing in Honolulu.
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As local media scrambled to learn what had happened on United Airlines flight 1175, they stumbled upon Mr Haddad's surprisingly funny Twitter posts.
"That looks bad, plane and simple," came the first post, accompanied by a picture of the engine, which had clearly shed the cowling that ordinarily surrounds it.
Moments later, he made another joke.
"I don't see anything about this in the manual," he wrote.
Once grounded, Mr Haddad posted a clearer image of what had happened to the engine. It looked in complete disarray and he explained that it took a full 36 minutes from debris first falling off until the plane landing.
The Federal Aviation Administration is currently investigating what caused the incident and United has released a statement.
"Our pilots followed all necessary protocols to safely land the aircraft," it said. "The aircraft taxied to the gate and passengers deplaned normally."