Boeing 727

Article

December 3, 2021

The Boeing 727 is a single-aisle single-aisle single-engine jet airliner (narrow-body aircraft) designed by Boeing Commercial Aircraft, manufactured from the 1960s to 1984. It is capable of carrying 149 to 189 passengers. Newer models had a range of up to 5000 km. It was designed for short and medium-haul flights and was able to use relatively short runways at smaller airports. Powered by three Pratt & Whitney JT8D engines in the rear of the fuselage under the T-shaped tail surfaces. The Model 727 is the only three-engine Boeing to enter commercial production. cockpit. The 727-100 first took off in February 1963 and entered service with Eastern Air Lines in February 1964; the extended type 727-200 took off in July 1967 and entered service with Northeast Airlines in December. The Boeing 727 became a mainstay of domestic airlines and was also used on international short- and medium-range routes. Personal, freight and adjustable versions of the 727 model were created. The highest production rate of the Boeing 727 took place in the 1970s and the last 727 were completed in 1984. In July 2018, a total of 44 Boeing 727s (2 × 727-100 and 42 × -200) were in commercial operation on 23 airlines, plus several others. in government and private services. Noise regulations at airports led to the 727 being equipped with "Hush kits". Since 1964, there have been 118 fatal incidents involving the Boeing 727. The successor models include the Boeing 737 and 757-200 variants. The last commercial passenger flight type 727 took place in January 2019.

Development

It first took off on February 9, 1963 and the second prototype on March 12 of that year. By mid-September 1963, nine aircraft of the new Model 727 were already flying. 5 kN each. The cabin was entered from the lower part of the stern by a hydraulically folded door with a built-in staircase and a side door behind the cockpit. The Boeing 727 boarded scheduled flights on February 1, 1964 at Eastern Airlines on the Philadelphia-Washington-Miami route, and at United Airlines four days later on the San Francisco-Denver route. From April, Boeing 727 American Airlines deployed the New York-Chicago route and in June TWA the Indianapolis-New York route. The basic version of the Boeing 727-100 was designed to carry 131 passengers with installed improved propulsion units JT8D-7 at 62.5 kN, or at the request of carriers operating from above airports, or in permanently hot areas with three more powerful JT8D-9 engines of 64 .5 kN thrust on take - off mode. At the same time, a convertible version of the 727-100C was created for the transport of passengers and cargo, with the possibility of various modifications to the interior of the cabin. On the left side of the fuselage in front of the wing were placed cargo gates measuring 3.4 × 2.18 m, the cabin floor was reinforced. This variant was officially certified by the Federal Aviation Administration (FAA) on January 13, 1966. As the first carrier, Convertible began using the Northwest Orient in April of that year. Another version of the 100 series aircraft was the Boeing 727-100QC (Quick Change). The passenger seats inside the fuselage were on pallets, which allowed the interior to be changed from passenger to freight within 30 minutes. A more powerful conveyor system was also installed in the floor to facilitate cargo handling. This version reached the routes in May 1966 at United Airlines. For business transport of representatives of large corporations in

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