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AIM 

4/20/23 

FIG 9

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En Route High Altitude Charts for the Conterminous U.S. 

FIG 9

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Alaskan En Route High Altitude Chart 

3.  U.S. Terminal Procedures Publication (TPP). 

TPPs are published in 24 loose

leaf or perfect bound 

volumes covering the conterminous U.S., Puerto Rico and the Virgin Islands. A Change Notice is published at 

the midpoint between revisions in bound volume format and is available on the internet for free download at the 

AIS website. (See FIG 9

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15.) The TPPs include: 

(a)  Instrument Approach Procedure (IAP) Charts. 

IAP charts portray the aeronautical data that is 

required to execute instrument approaches to airports. Each chart depicts the IAP, all related navigation data, 

communications information, and an airport sketch. Each procedure is designated for use with a specific 

electronic navigational aid, such as ILS, VOR, NDB, RNAV, etc. 

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Types of Charts Available