Boeing 767-300ER in the context of "Rolls-Royce RB211"

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⭐ Core Definition: Boeing 767-300ER

The Boeing 767 is an American wide-body airliner developed and manufactured by Boeing Commercial Airplanes.The aircraft was launched as the 7X7 program on July 14, 1978, the prototype first flew on September 26, 1981, and it was certified on July 30, 1982. The initial 767-200 variant entered service on September 8, 1982, with United Airlines, and the extended-range 767-200ER in 1984. It was stretched into the 767-300 in October 1986, followed by the extended-range 767-300ER in 1988, the most popular variant. The 767-300F, a production freighter version, debuted in October 1995. It was stretched again into the 767-400ER from September 2000.

Designed to complement the larger 747, it has a seven-abreast cross-section accommodating smaller LD2 ULD cargo containers.The 767 is Boeing's first wide-body twinjet, powered by General Electric CF6, Rolls-Royce RB211, or Pratt & Whitney JT9D turbofans. JT9D engines were eventually replaced by PW4000 engines.The aircraft has a conventional tail and a supercritical wing for reduced aerodynamic drag.Its two-crew glass cockpit, a first for a Boeing airliner, was developed jointly for the 757 − a narrow-body aircraft, allowing a common pilot type rating. Studies for a higher-capacity 767 in 1986 led Boeing to develop the larger 777 twinjet, introduced in June 1995.

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Boeing 767-300ER in the context of Ethiopian Airlines Flight 702

Ethiopian Airlines Flight 702 was a scheduled flight from Addis Ababa to Milan via Rome on 17 February 2014. The aircraft, an Ethiopian Airlines Boeing 767-300ER, was hijacked by the unarmed co-pilot, Hailemedhin Abera Tegegn, en route from Addis Ababa to Rome.

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Boeing 767-300ER in the context of Spoiler (aeronautics)

In aeronautics, a spoiler (sometimes called a lift spoiler or lift dumper) is a device which increases the drag and decreases the lift of an airfoil in a controlled way. Most often, spoilers are hinged plates on the top surface of a wing that can be extended upward into the airflow to spoil the streamline flow. By so doing, the spoiler creates a controlled stall over the portion of the wing behind it, greatly reducing the lift of that wing section.

Spoilers differ from airbrakes in that airbrakes are designed to increase drag without disrupting the lift distribution across the wing span, while spoilers disrupt the lift distribution as well as increasing drag. However, flight spoilers are routinely referred to as "speed brakes" on transport aircraft by pilots and manufacturers, despite significantly reducing lift.

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