air vehicles
type: Concept
narrower: helicopters
preferred label: ilmakulkuneuvot @fi
preferred label: luftfarkoster @sv

helicopters
type: Concept
broader generic: air vehicles
broader: air vehicles
in scheme: conceptscheme
narrower: rescue helicopters
narrower: military helicopters
preferred label: helikopterit @fi
preferred label: helikoptrar @sv

rescue helicopters
type: Concept
broader generic: helicopters
broader: helicopters
preferred label: pelastushelikopterit @fi
preferred label: räddningshelikoptrar @sv

military helicopters
type: Concept
broader generic: helicopters
broader: helicopters
preferred label: sotilashelikopterit @fi
preferred label: militärhelikoptrar @sv