ETOPS

The difference between an ETOPS-enabled shorter flight path (the solid green line) and a flight path for non-ETOPS aeroplane (the dashed blue line), the last one is curved due to the required distance to alternates

ETOPS (/ˈtɒps/) is an acronym for Extended-range Twin-engine Operations Performance Standards—a special part of flight rules for one-engine-inoperative flight conditions. The International Civil Aviation Organization (ICAO) coined the acronym for twin-engine aircraft operation in airspace further than one hour from a diversion airport at the one-engine-inoperative cruise speed, over water or remote lands, or on routes previously restricted to three- and four-engine aircraft.[1]

  1. ^ Cite error: The named reference AirbusGrips was invoked but never defined (see the help page).

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