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Blue ice in the context of aviation is frozen sewage material leaked mid-flight from commercial aircraft lavatory waste systems, a biowaste mixture of human waste and liquid disinfectant that freezes at high altitude. The name comes from the blue color of the disinfectant. Airlines are not allowed to dump their waste tanks in mid-flight, and pilots have no mechanism by which to do so; however, leaks can occur.
originally posted by: ReadLeader
a reply to: Zaphod58
WTF is at 35k feet? AND preytell, what would they have hit at that speed that would not severely damage the lightweight fuselage?
originally posted by: ignorant_ape
a reply to: Zaphod58
a glancing blow from falling space debris would not neccecerally puncture the skin