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posted on Sep, 14 2012 @ 08:41 PM
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reply to post by TheSparrowSings
 


See following links for Chart Symbols used on SkyVector

IFR (Instrument Flight Rules) Aeronautical Chart Symbols

ppgs101.com...

en.wikipedia.org...


VFR (Visual Flight Rules) Aeronautical Chart Symbols

www.procockpit.com...

en.wikipedia.org...


I've included VFR links for reference as the only charts that cover the upper air routes will be IFR (Instrument Flight Rules).


Links that explain the Airspace System.

The National Airspace System

www.faa.gov...

www.americanflyers.net...

En Route Operations

www.faa.gov...


SkyVector Link

One way of getting around SkyVector is using the airport codes. These codes are assigned by the ICAO (International Civil Aviation Organization)

See maps on following link. Map of world regions classified according to the first letter of the ICAO airport code.

International Civil Aviation Organization airport code.

en.wikipedia.org...

ICAO location indicators by state

www.icao.int...

Try the following as an example on SkyVector

Type in KMCI or KSTL in the 'Flight Plan box' and click 'go'

There is a map/chart zoom function in the bottom right of the screen.

KMCI = Kansas City International

KSTL = St Louis International Airport

Then click on 'Enroute H-5' in the upper right of the screen.

You will see the jet routes covering Missouri.

Jet Routes marked J cover 18,000 feet to 45,000 feet

On some aviation charts there will also be Q-Routes along with J-Routes. These also cover 18,000 feet to 45,000 feet.

No matter what airport or location that you go to always click on either the 'Enroute H' or 'World Hi' tabs to see the high altitude routes.


On SkyVector there is also a video tutorial and also a forum.

Video

skyvector.com...

SkyVector forum

skyvector.com...


On ATS poster 'Weedwhacker' no longer contributes but as a professional aviator he went to great lengths to explain high altitude routes, and why contrails and aircraft routes can be so varied. Sometimes aircraft take the more direct route.

See following 'Weedwhacker' post links and follow them through for info and guidance from the perspective of a professional civilian aviator.

www.abovetopsecret.com...

www.abovetopsecret.com...

www.abovetopsecret.com...

www.abovetopsecret.com...

www.abovetopsecret.com...

www.abovetopsecret.com...

Hope that helps? I'm sure that other posters will correct or add to the info or answer any further questions that you have.




posted on Feb, 7 2013 @ 09:53 AM
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reply to post by stumason
 


Given that a aircraft lands and takes off at Heathrow every minute these are undoubtedly contrails.
However - this is no way proof that chemtrails do not exist, There is plenty of proof to suggest they do.



posted on Feb, 7 2013 @ 01:41 PM
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Originally posted by HelenConway
reply to post by stumason
 


Given that a aircraft lands and takes off at Heathrow every minute these are undoubtedly contrails.
However - this is no way proof that chemtrails do not exist, There is plenty of proof to suggest they do.


What is it then? Because if you post some proof - or even "just" credible evidence, you will be the first to do so.





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