Charts
Low Altitude IFR chart - Published every 56 days (Effective date)
Sea level up to 18,000MSL’ (FL180)
Shows Victor Airways – navaid VORTAC or VOR/DME, NDB
Airport that does not have an instrument approach are printed in Brown
Airport with instrument approach are printed in Blue or Green
Class Bravo – Solid Blue outline of airspace
Class Charlie – Dash Blue outline of airspace
Class Delta has a D inside a box!
Victor Airways width is 8 miles – 4 miles each side of center line
Number below the Victor Airway 34 is the distance between 2 intersections
The number in the box 94 is the distance 2 nav aid along the airway
The symbol 42 is the DME distance from NavAid to that point.
Triangle is an Intersection, if the triangle is filled, then it’s a mandatory recording point
Altitude - Guarantee 1000’ Clearance, 2000’ clearance in mountain terrain
MEA Minimum Enroute Altitude
MOCA minimum Obstruction Clearing Altitude
MOCA has * next to it Ensure NAV signal within 22 mile from nav aid
MRC minimum Reception Altitude
MAA Maximum authorized Altitude
MRA – Minimum Reception Altitude
Lowest altitude for adequate reception from 2 Navaid to form an intersection
If there is a R in a flag, it mean it has a MRA.
MCA – Minimum Crossing Altitude – Flag with an X in it.
Reception of signal
High Altitude IFR chart
18,000’ MSL to 45000MSL (FL450)
Area Charts
Show congested terminal area at a large scale ,
Are included with subscription to low Enroute chart
Airport that does not have an instrument approach are printed in Brown
Airport with instrument approach are printed in Blue or Green
Class Bravo – Solid Blue outline of airspace
Class Charlie – Dash Blue outline of airspace
Class Delta has a D inside a box!
The symbol 42 is the DME distance from NavAid to that point.
Triangle is an Intersection, if the triangle is filled, then it’s a mandatory recording point
Victor Airways width is 8 miles – 4 miles each side of center line
Number below the Victor Airway 34 is the distance between 2 intersections
The number in the box 94 is the distance 2 nav aid along the airway
Altitude - Guarantee 1000’ Clearance, 2000’ clearance in mountain terrain
MEA Minimum Enroute Altitude
MPCA minimum Obstruction Clearing Altitude
MRC minimum Reception Altitude
MCA Minimum Crossing Altitude
MAA Maximum authorized Altitude
MRA – Minimum Reception Altitude
Lowest altitude for adequate reception from 2 navaid to form an intersection
If there is a R in a flag, it mean it has a MRA.
MCA – Minimum Crossing Altitude – Flag with an X in it.
Reception of signal
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