boeing 747-311
Posts: 777
Joined: Fri Mar 30, 2001 10:29 am

747-400d Wingtips?

Sun Aug 19, 2001 1:00 pm

Does the 747-400 domestic have wingtips?

thanks, and have a nice day,

boieng 747-311
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Big777jet
Posts: 2682
Joined: Mon May 01, 2000 10:52 am

RE: 747-400d Wingtips?

Sun Aug 19, 2001 2:03 pm

Where and what airline??? I heard JAL and ANA 747-400 do not have wingtips on domestic in Japan systems.

Big777jet


 
gmjh_air
Posts: 109
Joined: Wed Aug 09, 2000 4:37 pm

RE: 747-400d Wingtips?

Sun Aug 19, 2001 2:27 pm

As you see, JAL and ANA operates a -400D version (Domestic) without wingtips.

I wonder if the Japanese are the only ones or if anyone else uses them?


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CXCPA
Posts: 356
Joined: Sat May 27, 2000 11:14 pm

RE: 747-400d Wingtips?

Sun Aug 19, 2001 3:12 pm

The answer in NO. The appearance of B747-400D is similiar to B747-300.
 
boeing 747-311
Posts: 777
Joined: Fri Mar 30, 2001 10:29 am

RE: 747-400d Wingtips?

Sun Aug 19, 2001 3:14 pm

why dont they have wingtips? does anyone know?
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Alee
Posts: 56
Joined: Sat Jun 16, 2001 3:44 pm

RE: 747-400d Wingtips?

Sun Aug 19, 2001 3:41 pm

The planes used by ANA are 747-300 not 400 series...
 
GDB
Posts: 12653
Joined: Wed May 23, 2001 6:25 pm

RE: 747-400d Wingtips?

Sun Aug 19, 2001 4:13 pm

ANA do operate -400D's.
Winglets are for drag-reduction, they boost the -400 range by 3%
On the short-haul Japanese routes this is not needed.
When the original 747SR was developed in the early 70's, then called the 'Super Airbus!' Boeing had hoped to also sell this aircraft to India, China and US domestic operators. But all SR/D versions have only ever sold to Japan to serve their unique requirements.
 
boeing 747-311
Posts: 777
Joined: Fri Mar 30, 2001 10:29 am

RE: 747-400d Wingtips?

Mon Aug 20, 2001 2:46 am

Thanks a lot!
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Guest

RE: 747-400d Wingtips?

Mon Aug 20, 2001 8:16 am

Winglets are only benificial on longer flights, the -400D doesn't need them because it flies shorter routes. It has a beefed up structure as well to cope with the higher number of landings.