ilmatila
preferred label: airspace @en
preferred label: luftrum @sv
type: Concept
related: ilmavalvonta

ilmavalvonta
broader: valvonta
related: ilmatila
in scheme: conceptscheme
preferred label: luftbevakning @sv
preferred label: air surveillance @en
type: Concept

valvonta
preferred label: control @en
preferred label: övervakning @sv
type: Concept
narrower: ilmavalvonta

valvonta kohteen mukaan
type: Collection
member: ilmavalvonta