Class F airspace

urn:aero:airm:1.0.0:ContextualModel:ATMBusinessTerms:Class_F_airspace

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. Note.- Where air traffic advisory service is implemented, this is considered normally as a temporary measure only until such time as it can be replaced by air traffic control.

Source: ICAO