The two crossword solutions for the term 'airplane wing parts' are SLATS and FLAPS. SLATS are thin, hinged pieces of metal or composite material that are attached to the leading edge of an airplane's wings. They are used to increase lift during takeoff and landing. FLAPS are also hinged pieces of metal or composite material that are attached to the trailing edge of an airplane's wings. They are used to increase lift and drag during takeoff and landing, as well as to slow the aircraft down during descent.