The following websites provide various charts for instrument flight planning, including SIDS, STARS and Airport Diagrams.
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International
Digital Aeronautical Flight Information File
--> https://164.214.2.62/products/digitalae ... .cfm#term2
Press the "YES" button if a security prompt pops up.
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United States
Aviation System Standards
--> http://www.naco.faa.gov/index.asp?xml=naco/online/d_tpp