helicopter
type: Concept
preferred label: بالگرد @fa
related: helicopter services

heliport
type: Concept
preferred label: بالگردگاه @fa
related: helicopter services

helicopter rescue services
type: Concept
broader: helicopter services
preferred label: خدمات نجات بالگرد @fa

helicopter services
type: Concept
broader: air transportation
narrower: helicopter rescue services
preferred label: خدمات بالگرد @fa
related: heliport
related: helicopter

air transportation
type: Concept
narrower: helicopter services
preferred label: ترابری هوایی @fa