Battery pack and aircraft

An aircraft equipped with a battery pack, the battery pack including:

• a housing;
• and a live electrical part housed in the housing,
• wherein
• the housing includes:
• a housing portion in which the live electrical part is housed;
• and
• an exhaust portion provided on an upper side in a gravity direction with respect to the housing portion in a state where the battery pack is placed,
• wherein
• the exhaust portion includes:
• a storage portion configured to store a liquid;
• a first communication portion that communicates between an interior of the housing portion and an interior of the exhaust portion;
• and
• a second communication portion that communicates between an outside of the housing and an inside of the exhaust portion, and
• wherein
• when the battery pack is viewed from the upper side in the gravity direction, an opening of the second communication portion on an inner side of the exhaust portion is provided at a position that overlaps the storage portion and that does not overlap an opening of the first communication portion on the inner side of the exhaust portion,
• an opening of the first communication portion on an inner side of the exhaust portion is provided at a position that is located on the upper side in the gravity direction with respect to a bottom surface of the storage portion, and
• the first communication portion is provided at a position that is located on a lower side in the gravity direction with respect to the opening of the second communication portion on the inner side of the exhaust portion,
• the aircraft comprising:
• an exhaust pipe that communicates between the second communication portion and an outside of the aircraft.