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User currently offlineNWA763 From , joined Dec 1969, posts, RR:
Posted (13 years 11 months 2 weeks 13 hours ago) and read 791 times:

First of all let me just say that I am very glad for this forum. All of you people out here answering all these questions is just wonderful. I for one am very grateful.

Ok, on with my question.
Listening to ATC on my scanner, I sometimes here this: NWA 353 climb and maintain 17,000 and join J21. What is J21? I have heard some people say it has to do with the jet stream. If that is the case, can someone be a little more discriptive about what that means? Thank you in advance.

NWA763
Minneapolis, MN

2 replies: All unread, jump to last
 
User currently offlineAaron atp From United States of America, joined Mar 2000, 533 posts, RR: 2
Reply 1, posted (13 years 11 months 2 weeks 11 hours ago) and read 672 times:

a Jet Route... it's a high altitude airway.

They are plotted on high altitude enroute charts for use between FL180 and FL450 and are usually defined using radials between HIGH class VOR's.


aaron


User currently offlineTimz From United States of America, joined Sep 1999, 6796 posts, RR: 7
Reply 2, posted (13 years 11 months 1 week 3 days 3 hours ago) and read 636 times:

Three NOAA high-altitude charts cover the US; they cost $4.10 apiece. You can see a sample (of the Chicago area) at http://acc.nos.noaa.gov/Catalog/EnrouteHigh.html

J21 runs from the Duluth VOR to Gopher to Omaha and on down to Laredo, or maybe beyond.


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Join J21? posted Thu Aug 24 2000 07:01:08 by NWA763

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