Estimate from the variant's published specs, 0-5; scores are only comparable within one criteria year. Variant: 777 Freighter (launch customer Air France), Boeing's 14 July 2008 first-flight release. Range: 4,885 nmi with a full payload (Boeing release); 3,500 -> 2, 5,000 -> 3, so 2.92 -> 3.0 (Wikipedia now lists 4,970 nmi at maximum structural payload, Aviation Week's history 5,000 nmi and Boeing's 2004 plan 5,200 nmi; any of them also rounds to 3.0). Capacity: a freighter -> null. Speed: the release says the 777's typical cruise is Mach 0.84 at 35,000 ft; 0.82 -> 3, 0.85 -> 4, so 3.67 -> 3.5. Efficiency, runway, comfort: nothing published for the 777F on an opened page -> null. Reviews: 0 found; a DHL acceptance-flight page timed out and Lufthansa Cargo's page returned 403, so no independent pilot review was opened.[1]
读者上传的照片,与图钉带来源的媒体分开显示。你可以为吃到或看到的内容评分,在餐厅图钉上还能直接在照片上标记菜品。
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。
波音公司发布的日期为 2008 年 7 月 14 日,并描述了当天的首飞; 维基百科和《航空周刊》的 777 历史记录也给出了 2008 年 7 月 14 日。
777F first flight 14 July 2008, first delivery to Air France 19 February 2009, range and payload.[1]
Says 777F flight testing began on 14 July 2008, was interrupted by a failed transmitter, and gives a 5,000 nmi range and 100-tonne payload.[1]
Boeing's 2004 plan for the 777 freighter: 101-tonne payload, 5,200 nmi range, entry in about four years.[1]
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原标题: Boeing 777 Freighter Makes Its First Flight From Everett
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