Extended Range

Extended Range (ER) refers to the capability of an aircraft to fly longer distances than its standard range. ER is achieved through the installation of additional fuel tanks, more efficient engines, and aerodynamic improvements. The ER capability is important for airlines operating long-haul flights, allowing them to reach destinations that would otherwise require a refueling stop. The Federal aviation administration (FAA) requires aircraft with ER capability to meet specific safety and performance standards, including the ability to fly for a certain amount of time on a single engine in case of an engine failure. The ER capability has revolutionized the aviation industry, enabling airlines to offer non-stop flights to far-flung destinations and reducing travel time for passengers.
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