4-holers can cross the Atlantic with an engine out and barely notice. See this Emirates A380 that flew from New York and had to shutdown an engine over Newfound

4-holers can cross the Atlantic with an engine out and barely notice. See this Emirates A380 that flew from New York and had to shutdown an engine over Newfoundland. OK it didn't fly all the way to Dubai it had to divert. To Kuwait! https://www.businesstraveller.com/forums/topic/ek-a380-flies-transatlantic-with-3-engines-1-engine-shut-down-midflight/ https://www.businesstraveller.com/forums/topic/ek-a380-flies... Not exactly according to the rules but still.