Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Εναέριος παρατηρητής-el#Sense
Osservatore aereo-it#Sense
Aerial observer-en#Sense
Vigilante aereo-es#Sense
Observador aereo-es#Sense
Observateur aérien-fr#Sense
Luftobservatør-da#Sense
Ιπτάμενος παρατηρητής-el#Sense
Luftbeobachter-de#Sense