Low Enroute Chart (Legend)

Question 0

Brown airport

Answer 0

No IAPs

Question 1

What does it mean when a symbol is colored in?

Answer 1

It is a compulsory reporting point

Question 2

Blue airport

Answer 2

Civilian and DoD IAPs

Question 3

Green airport

Answer 3

Civilian IAPs only

Question 4

MEA

Answer 4

Minimum Enroute Altitude - ensures obstacle clearance and radio navigation at this altitude

Question 5

MOCA

Answer 5

Minimum Obstacle Clearance Altitude - Provides obstacle clearance for the entire route and radio navigation with 22nm of the NAVAID

Question 6

MCA

Answer 6

Minimum Crossing Altitude - Lowest altitude that the fix should be crossed at

Question 7

MRA

Answer 7

Minimum reception altitude - Lowest altitude that the fix will be identifiable

Question 8

Width of “V” airways

Answer 8

4sm, each way, from the center line

Question 9

What are the blue airways?

Answer 9

GPS airways

Question 10

How do you know when to start navigating off of the next VOR?

Answer 10

Change over point, bend in airway, or halfway between NAVAIDs

Question 11

What is the big green airplane for?

Answer 11

Helps line up the borders on separate charts