AirspaceClassF
urn:aero:airm:1.0.0:ConceptualModel:Subjects:AirspaceInfrastructure:Airspace:AirspaceClassF
Airspace Classification whereby IFR and VFR flights are permitted, all participating IFR flights receive an air traffic advisory service and all flights receive flight information service if requested.
Source:
ICAO Annex 11,