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Boeing 767
Big Grin 

The Boeing 767 is a single deck twin-engine plane manufactured by Boeing, the American aerospace company. The 767 was first made in 1978 almost the same time as the sadly discontinued 757. In fact, the time between the launch of the 767 and 757 was only a difference of two months. After designing the first prototype the maiden flight was preformed September 26,1981.


The 767 is produced in three fuselage lengths. The original 767-200 entered service in 1982, followed by the 767-300 in 1986 and the 767-400ER, an extended-range (ER) variant, in 2000. The extended-range 767-200ER and 767-300ER models entered service in 1984 and 1988, respectively, while a production freighter version, the 767-300F, debuted in 1995. Conversion programs have modified passenger 767-200 and 767-300 series aircraft for cargo use


As mentioned earlier the 767 is a twin engine plane. Engine choices can come from the three most popular and best: Rolls-Royce, GE (General Electric), and Pratt & Whitney. If a Rolls-Royce engine is chosen during the building process they will be the RB 211 series turbofans. If a General Electric engine is chosen it will be from the CF6 series. If a Pratt & Whitney power plant is chosen they will be the JT9D series.


The 767 features a twin-aisle cabin with a typical configuration of six persons in business class and seven across in economy. The standard seven abreast, 2–3–2 economy class layout places 87 percent of all seats at a window or aisle. As a result, the aircraft can be largely occupied before center seats need to be filled, and each passenger is no more than one seat from the aisle. For larger passenger loads it is possible to squeeze in extra seats for up to an eight person configuration. However, using the layout results in a cramped cabin making it uncommon for use..

Flight Deck:

The 767 is the first plane in the entire Boeing family to contain a glass cockpit. This achievement glass cockpit allowed the 767 to never require the use of a flight engineer to operate a flight. Earlier 767 flight decks used six Rockwell Collins CRT display screens.

The screens main roles are to display the electronic flight instrument system (EFIS), engine indication and crew alerting system (EICAS) information. This allowed pilots to handle monitoring tasks that were previously performed by the flight engineer.

The CRTs replace conventional electromechanical instruments found on earlier aircraft, also known as mechanical instruments.

This enhanced flight management system, carried on other Boeing family members as the new airplanes use only glass cockpits. On the 767-400ER, the overall cockpit layout is simplified further with six Rockwell Collins displays. However the simplified version features improved liquid crystal display (LCD) screens over the older CRT displays. To retain operational commonality, the LCD screens can be programmed to display information in the same manner as earlier 767 models. The allowed adapted similarities with the 777 and the Next Generation 737.


The 767 became the first aircraft to receive CAT IIIb certification from the FAA for landings with 980 feet (300 m) minimum visibility in 1984.

The 767 is equipped with three redundant hydraulic systems for operation of vital control surfaces including the landing gear, and other equipment. Each engine powers a separate hydraulic system, and the third system uses electric pumps. In the case of a electrical emergency the ram air turbine is fitted to provide power for basic controls.

An early form of fly-by-wire is employed for spoiler operation. Thus meaning, utilizing electric signaling instead of traditional control cables. The fly-by-wire systems' advantages include reduced overall weight and provides for the independent operation of individual spoilers. Also, a aircraft operating a fly-by-wire system will have fewer and less costly maintenance.
Tongue-Christopher Szotyori-Tongue
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