Which ATS airspace classification allows IFR and VFR, with IFRs separated from other IFRs and from VFRs, and VFRs separated from IFRs with traffic information about other VFRs?

• A. Airspace E
• B. Airspace D
• C. Airspace B
• D. Airspace C

Answer: (D)

Class C airspace is designed for busy airport operations with both IFR and VFR traffic. In this class, ATC provides separation for IFR from other IFR flights and from VFR flights, while VFR flights are kept separated from IFR traffic. Additionally, ATC gives VFR pilots traffic information about other VFR aircraft to help them avoid conflicts. This combination—IFR separation from both IFR and VFR, plus VFR traffic advisories about other VFRs—matches the described scenario. Class C typically features radar-based control with two-way radio communication required and a two-tier structure around the airport.