How the Boeing 747-200's engine upgrade killed the Anchorage fuel stop on New York–Tokyo flights

The 747-100 couldn't fly from New York to Tokyo nonstop. The 747-200 could. Here is the engine upgrade that made the ...
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How much does a Boeing 747 engine cost?

The cost of a Boeing 747 engine is one of the most significant financial considerations for any operator of this iconic aircraft. As the 747 has transitioned from a passenger mainstay to a specialist ...