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A comment on Boom supersonic jet readies for rollout. Parent comment

Re:Boom supersonic jet readies for rollout by jacquesm on Friday July 10, 2020 @08:40AM (#23790878)
Concorde used four engines. Two engine ETOPS over water wasn't a thing back then, first real relaxation of that rule was in '76.

see: https://en.wikipedia.org/wiki/ETOPS

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Re:Boom supersonic jet readies for rollout by adev_ on Saturday July 11, 2020 @05:40PM (#23806292)
Of course four. My apologies, too quick to type.
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