第一项始终是图钉的来源。总体可信度是各份资料对上方所用开始和结束时间支持程度的加权平均;资料每比最新的一份旧 180 天,权重减半。
This Day in Aviation: '19 February 1982: At Renton Municipal Airport, Boeing test pilots John H. Armstrong and Samuel Lewis ("Lew") Wallick, Jr., made the first flight of the prototype Model 757 airliner'; the Seattle Times[5] also dates it 19 Feb.
Boeing planning document with the 186-seat two-class layout and 255,000 lb takeoff weight.[1]
Flight visited Boeing Field when the 757 had flown twice; Lew Wallick felt "very comfortable" flying formation on the 727 camera plane on the first flight.[1]
The prototype rolled out at Renton on 13 January 1982 with 136 orders from seven carriers; the seven-month test program used the first five aircraft.[1]
Chief test pilot John Armstrong calls it a "perfect first flight" on 19 February, though a design problem later corrected made him shut one engine down; the 375-hour test schedule to December 1982 was met.[1]
有遗漏或错误吗?用你自己的话说明:能佐证此图钉的链接、不同的开始或结束日期及理由,或缺失、有误的信息。AI 会对照此图钉的来源进行核实,搜索更好的来源,并添加任何支持你说法的页面。图钉自身的来源仍然最重要。AI 也会查看图片:显示的是别的东西或显示效果差的图片会被移到后面或替换。
With 180 passengers, the plane can safely depart from a short runway, climb directly to cruise altitude, and fly clear across the country
handles the best of all the Boeings
While it does not recline into a fully flat bed, the width and padding provide a comfortable sleeping armchair.
About 155 coach seats on MD-81/82/83/88 - range up to 2,550 nmi - in service since October 1980 (Swissair)
来源185 seats in a typical two-class layout (236 exit limit) - range about 5,900 km (3,200 nmi) - A320 family in service since April 1988
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