Boeing 777 is a long-range twin-engine wide-body passenger plane manufactured by Boeing Company of the United States, and it is the largest twin-engine wide-body passenger plane in the world at present. The third-class cabin has a capacity of 283 to 368 passengers and a voyage of 5,235 nautical miles to 9,450 nautical miles (9,695 to 17,500 kilometers). Boeing 777 has a circular fuselage design and a landing gear with 14 wheels. It is a twin-engine medium-and long-range wide-body passenger aircraft developed by Boeing Company of the United States. Boeing 777 is between Boeing 767-300 and Boeing 747-400 in specifications. On October 29th, 1990, the research and development plan was officially launched. On June 12th, 1994, the first Boeing 777 made its first test flight. On April 19th, 1995, it was awarded the European Joint Airworthiness Certificate and the type certificate of the Federal Aviation Administration. On May 30th, 1995, it was granted 180-minute extended flight. On May 17th, 1995, the first Boeing 777 was delivered to the user United Airlines. Boeing 777 is between B767-300 and B747-400 in size and range. It has the characteristics of flexible cockpit layout, wide range of range and different models that can meet the changing market demand.
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