確定日付の確度: 確定確定として発表情報源が日付をどれだけ確定的に述べているか：確定、予定、推定、延期、未確認。「確定」のピンをすべて表示確度 79%総合信頼度: 79%ピンの情報源と参照がその日付をどれだけ裏付けているか。出典を含む 5 件の資料がピンの開始・終了時刻をどれだけ強く裏付けているかの加重平均。最新の資料より180日古くなるごとに重みは半分になります確度75%以上のピンをすべて表示
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."Boeing 747-400 Makes Its First Flight
主な競合製品
- McDonnell Douglas MD-11 · McDonnell Douglas
298 passengers in three classes - range up to 13,200 km (7,130 nmi) - three PW4460/62 or CF6-80C2 engines - entered service with Finnair on 20 December 1990
出典 - Airbus A340-300 · Airbus
295 passengers in three classes - range 6,700 nmi (12,400 km) - four CFM56-5C engines - entered service with Lufthansa and Air France in March 1993
出典
The first Boeing 747-400, N401PW, flew from Paine Field on 29 April 1988, six weeks behind schedule. The advanced 747 added a two-crew glass cockpit, winglets and new engines, and went on to be the most common 747 variant.
- N401PW (serial 23719) took off from Paine Field under test pilot James Loesch and co-pilot Kenneth Higgins and landed 2 h 29 min later at Boeing Field[1]
- It was used by Pratt & Whitney as an engine testbed; Rolls-Royce and General Electric used the other prototypes for their RB211 and CF6 engines[1]
- Northwest Airlines became the launch customer with an order for 10 aircraft on 22 October 1985; the first -400 was rolled out on 26 January 1988, certificated on 9 January 1989 and entered service with Northwest on 9 February 1989 (Wikipedia)[2]
- The prototype was re-registered N661US and went to Northwest, then Delta; sources conflict on its delivery date (26 January 1989 per AirlineGeeks, 8 December 1989 per Airways); it is preserved at the Delta Flight Museum[1][5]
- In a 27 June 1988 test flight from Moses Lake the same aircraft set an FAI record for greatest mass carried to 2,000 m (405,659 kg)[3]
Notable features
- 747-400 length 231 ft 10 in (70.66 m); wingspan 211 ft 5 in (64.44 m) including 6 ft winglets[2]
- Typical seating 400 in three classes in Boeing's airport-planning manual: 24 first, 74 business (32 main deck, 42 upper deck), 302 economy; Wikipedia lists 416 in another layout[2][4]
- Range 7,285 nmi (13,492 km) with 416 passengers; cruise Mach 0.855[2]
- Engines: PW4000, GE CF6-80C2 or Rolls-Royce RB211-524 turbofans of about 56,500-63,300 lbf each[2]
- Maximum takeoff weight 875,000 lb (396,893 kg), with an optional 910,000 lb for the 747-400ER; two-crew digital cockpit[2][4]
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