2020年7月26日 · Back in 1986 when the 747-400 was still under development Boeing studied a ULH 747 called the 747-500 that could be able to fly up to 8,700 nmi (16,000 km), which would …

2018年7月11日 · The 747-500 would have failed even more because it would not have been that advanced compared to the A-380 making it more of a handicap. I disagree (and so do many …

2018年7月10日 · The 747-500 concept included also a redo of the MLG and possible the NLG for a serious increase of MTOW. The 747-500 would have been nearer to the A380 in payload …

1999年6月10日 · The 747-500/600 will happen and it will work. The concept of developing a large transcontinental aircraft does not happen without much skull sweat. Boeing knows what it is …

2007年6月1日 · Granted, the L-500 would do much better than the 747 for outsize cargo-but that is a very small piece of the air freight market. The basic airframe of the C5 was designed for …

1999年3月11日 · The 747-500 will be a stretched 747-400 with a wing root insert increasing the span. The MTOW will be over 1,000,000 lbs. and looks to be ending up at 1,060,000 lbs. The …

The 747-400 is the latest, longest ranging and best selling model of the 747 family. Boeing launched the 747-400 in October 1985 and the first development aircraft first flew on April 29 …

2006年11月5日 · More specifically, re-engining with the Trent 500 Series. I know the 747-400 isn't very old at all, but nevertheless, it's an idea, albeit a hypothetical one. Here are my questions: …

2013年9月28日 · The 747-500/600 may have sold a little bit, but unless we're assuming some significant alternate course of economic history, sales probably would have stalled out. Airbus …

2024年10月27日 · Photo taken at Paris - Charles de Gaulle (Roissy) (CDG / LFPG) in France in October, 1990.