Starlionblue From Greenland, joined Feb 2004, 16615 posts, RR: 66
Reply 1, posted
Tue Jan 12 2010 21:49:00 UTC (4 years 1 month 4 weeks 1 day 1 hour ago) and read 4211 times:
Quoting Ren41 ( Thread starter): Also, are the NAT's adjusted frequently or are their routes fairly consistent over long periods of time?
As I understand it they are adjusted quite frequently based on conditions. I seem to remember something about weekly. Then again I have a fever so I could be delirious.
"There are no stupid questions, but there are a lot of inquisitive idiots." - from Citadel by John Ringo
LAXintl From United States of America, joined May 2000, 24141 posts, RR: 50
Reply 2, posted
Tue Jan 12 2010 22:37:56 UTC (4 years 1 month 4 weeks 1 day 1 hour ago) and read 4199 times:
The North Atlantic Track structure is revised daily.
An optimal route is developed daily between JFK- LHR and LHR- JFK with the remainder of the tracks are built to the north and south. (there is a fixed track down towards Florida that does not change)
The daily updated track advisory messages can be viewed courtesy of the FAA at;
From the desert to the sea, to all of Southern California
Mir From United States of America, joined Jan 2004, 20928 posts, RR: 56
Reply 3, posted
Tue Jan 12 2010 23:29:27 UTC (4 years 1 month 4 weeks 1 day ago) and read 4193 times:
Quoting Starlionblue ( Reply 1): As I understand it they are adjusted quite frequently based on conditions. I seem to remember something about weekly.
How about daily?
They're based on the winds, trying to minimize flight times. That means trying to stay in the winds as much as possible going east, and avoid them as much as possible going west.
7 billion, one nation, imagination...it's a beautiful day