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How Is Polar Air Able To Do LAX-NRT With 744F?  
User currently offline747400sp From United States of America, joined Aug 2003, 3614 posts, RR: 2
Posted (2 years 8 months 2 weeks 3 days 22 hours ago) and read 3701 times:

I was just looking though Flightaware, and I saw that Polar Air have a non stop LAX-NRT service, operated by 744Fs. I thought that 744Fs, did not have the legs for LAX-NRT, so how is Polar able to this?

4 replies: All unread, jump to last
 
User currently offlineBMI727 From United States of America, joined Feb 2009, 15739 posts, RR: 27
Reply 1, posted (2 years 8 months 2 weeks 3 days 21 hours ago) and read 3580 times:

Quoting 747400sp (Thread starter):
so how is Polar able to this?

Less than full plane? With equal payload, a freighter will fly nearly as far as far as a passenger plane will (freighters tend to have slightly higher OEWs) but the difference in practice is that freighters usually get loaded down, since freight doesn't mind making a stop.



Why do Aerospace Engineering students have to turn things in on time?
User currently offlinetdscanuck From Canada, joined Jan 2006, 12709 posts, RR: 79
Reply 2, posted (2 years 8 months 2 weeks 3 days 20 hours ago) and read 3554 times:

Quoting 747400sp (Thread starter):
I thought that 744Fs, did not have the legs for LAX-NRT

LAX-NRT is only 4800 nm (great circle). You can do that with a 747-400F comfortably if you go out at MTOW and reduce payload by about 30,000 lbs from maximum (about an 11% hit). At that part of the payload/range curve you're MTOW limited.

At maximum payload, a 747-400F will go about 4300 nm.

Tom.


User currently offlineKAUSpilot From United States of America, joined Jan 2002, 1959 posts, RR: 32
Reply 3, posted (2 years 8 months 2 weeks 3 days 16 hours ago) and read 3380 times:

Polar also does HKG-CVG which is about 7700 NM, granted the route has tailwinds. They're usually limited to about 65% payload (about 75 tons of freight max). Polar carries a lot of DHL package freight which can often be bulky but not too heavy, so the payload restrictions aren't a route killer.

User currently offline113312 From United States of America, joined Apr 2005, 572 posts, RR: 1
Reply 4, posted (2 years 8 months 2 weeks 3 days 10 hours ago) and read 3129 times:

I guess you don't remember that the airlines flew the Classic on that route non-stop? Actually, the empty weight of a freighter is less than a passenger plane since you don't have galleys, seats, entertainment, meals etc. Yes, you do have a strengthened floor and cargo handling system. Often, the actual takeoff weight of a freighter is higher than a passenger plane with all seats occupied.

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