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User currently offlineAtomother From United States of America, joined May 1999, 440 posts, RR: 3
Posted (17 years 1 week 2 days 11 hours ago) and read 8809 times:

What is a 747-400D? Why doesn't it have winglets?

3 replies: All unread, jump to last
User currently offlineFLY777UAL From United States of America, joined May 1999, 4512 posts, RR: 2
Reply 1, posted (17 years 1 week 2 days 11 hours ago) and read 8808 times:

The 747-400 D is a domestic version of the 747-400. It does not have extra fuel tanks, nor the needed aerodynamical improvements (ie: winglets) since it is being operated on such short flights. Another improvement is the two-person cockpit, which is more economical on a 2 hr. flight than throwing a F.E. onboard as well.


User currently offlineFlyf15 From , joined Dec 1969, posts, RR:
Reply 2, posted (17 years 1 week 2 days 11 hours ago) and read 8808 times:

The B747-400D is the "Domestic" version of the B747-400. It is meant to fly short, very high density flights, such as Tokyo-Osaka. I believe it seats 568 in a 2 class config and has a range of less than 2000mi, but don't quote me on that. If you want exact numbers, go to Boeing's website and check out the B747-400D section. It doesn't have winglets because they are just simply not needed.

User currently offlineDC-10 From , joined Dec 1969, posts, RR:
Reply 3, posted (17 years 1 week 1 day 14 hours ago) and read 8808 times:

the 747-400D was yet another version of the 747 developed for the Japanese market. It doesn't have the tankage of the stardard -400, since it doesn't do much more than inter-island flights aerodynamic improvements such as winglets aren't necessary.

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