Lo Charts Flashcards
What altitude do LO charts cover?
Surface to 18,000’
What altitude do HI charts cover?
They begin at FL180
FL (Flight Level) altimeter setting
29.29”
Is there a standard scale for IFR charts?
No
What “projection” is used on IFR charts?
Lambert Conformal Conic Projection - which means a straight line is a Great Circle
What is the Amendment Cycle for IFR charts?
Nav Canada / FAA 56 day ICAO cycle
Green on a LO chart indicates
Uncontrolled Airspace from Surface up to but not including 18,000’
White colouring on a LO IFR chart:
Controlled Airspace
- Floor often can’t be determined from a LO Chart
- in Class B Airspace it’s controlled above 12,500 ft
Green checkered area on LO charts
Uncontrolled up to 12,500’ and then switches to Controlled Class B above
Tracks/Bearings in Southern and Northern Domestic Airspace.
Magnetic in Southern Domestic Airspace
True in Northern Domestic Airspace
What does the pointy end of an airway indicate?
The direction to fly when flying EVEN altitudes.
MOCA
Minimum Obstacle Clearance Altitude - always shown with an * Asterisks
MEA
Minimum Enroute Altitude
MEA does not guarantee:
Communication Coverage or Radar Coverage. It only guarantees communication with ground station navigation aids.
Tango Route
A fixed route between GPS waypoints in controlled airspace
