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The A340 was built before ETOPS was created to allow two-engine planes to fly over-ocean long-haul:

Once two engines were found to be reliable enough (with sufficient contingency planning) then >2 engine planes (including three-engine like the MD-11) were not really needed.

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> The A340 was built before ETOPS

For those who don’t know, the acronym stands for Engines Turn or Passengers Swim.

Sarcasm can be hard on the internet.

It actually stands for: Extended-range Twin-engine Operations Performance Standards

and is a pretty logically laid out standard.

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