FAA Airspace Classification

Question 1

On a sectional chart, Class B airspace is depicted by what type of line?

Accepted Answer

Solid blue line

Answer

Class B airspace boundaries are shown by solid blue lines on sectional charts, with floor and ceiling altitudes listed in the format ceiling/floor.

Question 2

What is the floor altitude of Class A airspace in the contiguous United States?

Accepted Answer

18,000 feet MSL

Answer

Class A airspace in the contiguous United States begins at 18,000 feet MSL and extends up to and including Flight Level 600.

Question 3

On a sectional chart, what symbol marks the floor of Class B airspace segments?

Accepted Answer

The lower number in the altitude box

Answer

Within Class B airspace segments on sectional charts, altitudes are shown as ceiling/floor, where the lower number is the floor of that segment.

Question 4

Which class of airspace requires an ATC clearance before entry, even in VMC conditions?

Accepted Answer

Class B

Answer

Class B airspace requires an explicit ATC clearance to enter regardless of weather conditions or the type of flight being conducted.

Question 5

On a sectional chart, which symbol indicates a Class D airspace boundary?

Accepted Answer

Dashed blue circle

Answer

Class D airspace around airports with an operating control tower is depicted by a dashed blue circle on sectional charts.

FAA - Sectional Chart Practice Test