Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/4826001
Is Reference of Navigabilité-fr#Sense
Navigabilità-it#Sense
Airworthiness-en#Sense
Attitudine al volo-it#Sense
Aeronavigabilità-it#Sense
Lufttüchtigkeit-de#Sense