CFC CFC Airspace Classification & Communication Requirements

Question 1

What communication equipment is required to operate in Class A airspace?

Accepted Answer

Two-way radio communication with ATC and an IFR clearance

Answer

Class A airspace requires two-way radio communication with ATC and a valid IFR clearance and flight plan.

Question 2

At what altitude does Class A airspace begin in the contiguous United States?

Accepted Answer

18,000 feet MSL

Answer

Class A airspace extends from 18,000 feet MSL to FL600 in the contiguous US.

Question 3

What is required before entering Class B airspace?

Accepted Answer

An explicit ATC clearance

Answer

An explicit ATC clearance is required before entering Class B airspace surrounding the nation's busiest airports.

Question 4

Class C airspace typically has what horizontal configuration from the primary airport?

Accepted Answer

5 NM inner circle, 10 NM outer circle

Answer

Class C airspace has a 5 NM inner circle and a 10 NM outer circle, creating a characteristic two-ring structure.

Question 5

What communication requirement applies when entering Class C airspace?

Accepted Answer

Two-way radio communication must be established with approach control

Answer

Two-way radio communication must be established with ATC before entering Class C airspace, though an explicit clearance is not required.

(CFC) Certified Flight Communicator Practice Test