Estimate from the variant's published specs, 0-5; scores are only comparable within one criteria year. Variant: original 747-100 (JT9D-3, MTOW 735,000 lb). Range 3 from 4,620 nmi at that weight (Wikipedia 747 overview; interpolation 2.75, rounded up). Capacity 4.5 from about 350-365 seats in three-class layouts that airlines planned (FAA history cited in the pin, ESC Monroney News). Efficiency, speed, runway null: no fuel-burn, typical-cruise Mach or Boeing takeoff-field figure opened for the -100. Comfort 3 (competent): reviews describe a smooth cruise and a loud takeoff roll; thin evidence.[2]
THE HUGE PLANE made most of the smooth flight at 33,000 feet.
The takeoff roll was intense. Like a race car taking off down the highway. And as if gravity disappeared we lifted off the ground.
The early ones were underpowered and noisy in the cockpit, which has left me a bit deaf, but having four engines, and 16 main wheels left plenty of room if something went wrong with any of them.
| 22 January 1970 · 1970年1月22日 | 0.50 |
|---|---|
| Smoking in the cockpit and rugby tackling passengers - Former pilot remembers Boeing 747 · 2020年10月12日 | -0.20 |
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。
FAA 自己的历史(MMAC Monroney 新闻)称“FAA 于 1969 年 12 月 30 日对 747 进行了认证”; HistoryLink[4] 对此表示同意(“1969 年 12 月 30 日,FAA 对波音 747 进行了认证”)。 泛美工程师的账户在一天后(即 12 月 31 日)提交了正式的批准型式证书文件。
Gives the 747-100's initial maximum range as 4,620 nmi before the 747-200 raised it to 6,560 nmi.[1]
Recounts the 1966 launch order and the 1968 rollout leading up to certification.[1]
"On December 30, 1969, the FAA certified the Boeing 747"; also gives the 1,400 flight hours on five aircraft.[1]
A chief engineer's account says the formal Approved Type Certificate was issued on 31 December 1969.[1]
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原标题: FAA Certifies the Boeing 747 for Passenger Service
About 270 seats in two classes (399 maximum) - DC-10-10 range 3,500 nmi (6,500 km), DC-10-30 up to 5,200 nmi (9,600 km) - three engines - in service since 5 August 1971
来源Up to 400 passengers - range over 4,000 nmi (7,410 km) - three Rolls-Royce RB211 engines - entered service with Eastern Air Lines on 26 April 1972
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