Foldable chair and an aircraft including the same

An aircraft comprising:

• a fuselage;
• and
• a foldable chair installed in the fuselage,
• wherein the foldable chair includes:
• a first frame;
• a second frame disposed in parallel with the first frame;
• a connection portion configured to movably connect the first frame and the second frame and change in length based on movement between the first frame and the second frame;
• a seat accommodation portion disposed on one of the first frame or the second frame;
• and
• a seat portion, wherein at least a portion of the seat portion is accommodated in the seat accommodation portion, and
• wherein the seat portion is configured to be drawn out from the seat accommodation portion and detachably fastened to the other of the first frame or the second frame.