Aircraft three main parts ?

1. Fuselage .
2. Main plane/Wings .
3. Tail plane/Empennage .

1. Fuselage : Fuselage is aircraft's main body section which holds the passenger , crew and cargo . In single engine aircarft in which engine attach to fuselage so it also hold the engine .                                                        
   
                             
2. Main plane/ wings : Wings are aerofoil shape surface use to support the aircraft in flight . There are various designs , shapes and size used by aircraft manufacturers . There are three arrangements of wings such as  high wing , low wing ang middle wing . it is attach to the fuselage . 
   
3. Tail plane / empennage : It is the rear portion of aircraft which include stabilizer , elevator and rudder . In triple engine aircraft it include engine also . Yawing  and pitching control are present in it .