日本貨物航空
Nippon Cargo Airlines has its headquarters in the NCA Line Maintenance Hangar (NCAライン整備ハンガー "NCA Rain Seibi Hangā") at Narita International Airport in Narita, Chiba Prefecture. The hangar is within the engineering and maintenance complex at Narita Airport. The facility has several environmentally friendly aspects, including a light wall, top lighting, naturally balanced wind power vent windows, a garden roof, a solar water heating system, and equipment to use rainwater to wash aircraft fuselages.