The Boeing 757 is an American narrow-body airliner designed and built by Boeing Commercial Airplanes. The then-named 7N7, a twinjet successor for the trijet 727, received its first orders in August 1978. The prototype completed its maiden flight on February 19, 1982, and it was FAA certified on December 21, 1982.

波音757-300是b757-200的加长型，项目启动于1996年9月2日，机身比200型加长7.1米，载客量增加20%，货运空间增加50%，其运力介于b757-200、b767-300之间。

The stretched, 240 seat Boeing 757-300 is the first significant development of the basic 757-200 and is aimed primarily at the European vacation charter market. Although design work on the original 757 began in the late 1970s and its entry into service was in 1983, it wasn't until over a decade later in the mid 1990s that Boeing began to study ...

2021年6月26日 · What makes a 757-300 a 757-300? To understand why airlines still operate the jet, we first need to look at its specifications and capabilities. The aircraft has a range of 3,285 miles (5,287 km) with a capacity that ranges from around 243 passengers in two classes to an exit limit of 295. Typical single-class capacity would be closer to around 280.

How much maneuvering space does the Boeing B757-300 need in front of the plane for push back equipment to get the plane in and out of an aircraft hangar? Are there published design standards that can be found on line?

The Boeing 757-300 is a twin-engined medium-range narrowbody airliner with a capacity of maximum 295 passengers produced by the American manufacturer Boeing Commercial Airplanes. The Boeing 757-300 is a development of the Boeing 757-200 with a 7,10m (23ft 4in) stretched fuselage.

波音757（英語： Boeing 757 ）為美國 波音公司開發的中型单通道窄体民航客机，原設計為美国東方航空及英國航空取代旗下的波音727，该客機於1983年投入服務，並於2005年11月18日停產，共生產了1,050架，最後一架已交付上海航空 [1] 。

波音757-300是 波音757-200 的延長型，機身比波音757-200長7.1米，載客量增加20%，貨運空間增加近50%。 在混合客艙布局情況下，波音757-300可載客243人，包機服務時可增至280人，其運力介于波音757-200和 波音767-300 之間。 載客量的增加使波音757-200的座英里運營成本比波音757-200低約11%。 作為波音757-200的衍生機型，波音757-300是對波音757-200的補充，而不是取代。 波音757-300保留了波音757-200的操作簡便性和高可靠性。 兩種機型具有基本相同的 …

德国神鹰航空的波音757-300型 在长程航线上航空公司将757用于旅客量小航线，短程航线上新一代 波音737-900 （-NG）以及 空中客车A320 系列的A321的投入使用，虽然航程比757短，可替代757的大部分任务。