UncontrolledAirspace
European Supplement
urn:aero:ses:eurocontrol:airm:1.0.0:ConceptualModel:Subjects:AirspaceInfrastructure:Airspace:UncontrolledAirspace
Airspace type of Class G and specified Class F airspace within which ATC service is not provided.
Source:
EUROCONTROL ATM Lexicon,