Where is the head office of the airlines who operated Norfolk Air's flights?
Norfolk Air: Norfolk Air was an airline based on Norfolk Island, it was operating department of the Administration of Norfolk Island, flights were operated by Nauru Airlines (formerly Air Nauru) and operating under an Australia Airline Operators Certificate. Nauru Airlines:  Its head office is on the property of Nauru International Airport, Yaren District, and its operations office is in Brisbane, Queensland, Australia.
Its head office is on the property of Nauru International Airport