Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Αεροναυτιλία-el#Sense
Lentosuunnistus-fi#Sense
Luchtvaartnavigatie-nl#Sense
Flygnavigation-sv#Sense
Navigazione aerea-it#Sense
Flynavigation-da#Sense
Air navigation-en#Sense
Navigation aérienne-fr#Sense
Navegación aérea-es#Sense
Flugnavigation-de#Sense
Aerloingseoireacht-ga#Sense
Navegação aérea-pt#Sense