8. Mountainous / Critical Terrain

Question 1

In international or Alaskan airspace, how much terrain clearance is there at 10,000’ when outside terrain boxes?

Answer 1

Flight at 10,000’ outside the terrain boxes provides at least 1,500’ clearance above terrain

Question 2

How much terrain clearance is provided when in a terrain box and at the terrain box MSA?

Answer 2

2000’