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。
Airways: "Today, in 1988, the world's first Boeing[4] 747-400, registration N401PW, took to the skies for the first time. The jet ... departed Paine Field (PAE) under the command of test pilot James Loesch and co-pilot Kenneth Higgins."
Gives first flight 29 April 1988, certification 9 January 1989, entry into service 9 February 1989 and the specification table.[1]
Records the first 747-400 N401PW's 27 June 1988 Moses Lake test flight and FAI record.[1]
Boeing's manual gives the 747-400's typical 400-seat layout and maximum takeoff weights.
Says the aircraft first flew on 29 April 1988 as N401PW and became Northwest's N661US.[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。
The 747-400 is a gentle giant. It flew like a dream, and was light on the controls.
the control surfaces are large enough and well boosted to provide very positive control feel in all phases of flight. It feels no more "truck-like" than any other transport category airplane I've flown.
pilots who have flown the 747 relate that she's a gentle giant, with relatively benign handling characteristics at low speeds, as well as surprising maneuverability for an aircraft with such mass and such a long wingspan
作为亚马逊联盟成员,Chronopin 从符合条件的购买中获得收入。
通过 eBay 链接购买时,Chronopin 可能会获得佣金。