VFR
Airspace classes (A–G) overview
- Class A: IFR only. ATC clearance required. Separated from all other traffic.
- Class B: IFR & VFR. ATC clearance required. Separated from all other traffic.
- Class C: IFR & VFR. ATC clearance required. IFR separated from IFR and VFR; VFR separated from IFR and given traffic information on other VFR flights.
- Class D: IFR & VFR. ATC clearance required. IFR separated from IFR, traffic information on VFR flights; VFR flights get traffic information only.
- Class E: IFR & VFR. ATC clearance required for IFR only. IFR separated from IFR, traffic information as far as practical; no clearance needed for VFR.
- Class F: IFR & VFR. Air traffic advisory service for IFR, traffic information as far as practical; no clearance required.
- Class G: IFR & VFR. Flight information service only; no clearance and no separation service provided.
Source: ICAO Annex 11 / SERA – Airspace classification