Water supply system for aircraft

A water supply system for aircraft that is mounted on an aircraft to supply water to a plurality of water supply outlets in the aircraft, the water supply system for aircraft comprising:

• a tank for storing water;
• a water supply pipe extending from the tank, branching and being connected for supplying water to each of a plurality of water supply outlets for drinking water, and being connected to each of a plurality of water supply outlets for washing hands;
• an ultraviolet sterilization device provided in the water supply pipe downstream of the tank and located spaced from the at least one of the plurality of water supply outlets for drinking water, the ultraviolet sterilization device comprising:
• a chamber inserted in the water supply pipe;
• a filter for filtering the water provided on the downstream side of the ultraviolet sterilization device;
• and
• at least one light-emitting diode emitting ultraviolet light located inside the chamber, and sterilizing water supplied to the at least one water supply outlet for drinking water by irradiating the water with ultraviolet light from the at least one light-emitting diode;
• and
• an ozone water generator provided in the water supply pipe downstream of the tank for generating and supplying ozone concentrated water to the at least one water supply outlet for washing hands provided on the water supply pipe leading to the at least one water supply outlet for washing hands.