MSA and TAA

Question 1

What is MSA

Answer 1

-Minimum Safe Altitude (MSA).
-Altitudes depicted on charts that provide at least 1,000 feet of obstacle clearance within a 25-mile radius of the navigation facility

Question 2

What is TAA

Answer 2

-Terminal Arrival Area
-If lost comms or flying from a TAA, can descend down to the altitude specified to ensure obstacle clearance and comms.