Page 15 - DK Children's Encyclopedia
P. 15

Aircraft                                                                          SEE ALSO

                                                                                               ▸ ▸ Atmosphere  p.33
                                                                                               ▸ ▸ Birds  p.39
           Aircraft are types of transportation that let us travel                             ▸ ▸ Forces  p.108
           through air. They take people on vacations and are also                             ▸ ▸ Gravity  p.125
           used by fire crews, doctors, and farmers. Types of aircraft                         ▸ ▸ Transportation

           include planes, helicopters, and hot air balloons.                                   pp.258–259





                                  Plane
                                  The Airbus A380 is the world’s
                                  largest passenger plane. It can                                This 79 ft (24 m)
                                  carry more than 800 people on                                  high tail section
                                  two decks and fly nonstop from                                 has a flap called a
                                                                                                 rudder that steers
                                  the US to Australia.                                           the aircraft.


                                      Ailerons are flaps on
                                      each wing that move
                                      up and down to turn
                                      the aircraft.

                                                                                                    This part of the
                                                                                                    tail helps to keep
                                                                                                    the aircraft flying
                                                                                                    straight.










                                                                                              The A380 is powered by
                                                                                              four huge jet engines, each
                       The cockpit is where the pilot                                         as long as a family car.
                       and copilot fly the aircraft.

       Helicopter
       A helicopter uses fast-spinning blades, called                      How aircraft fly
       rotors, to fly through the air. These rotor blades                  The green arrows show the four pushes and pulls, or
       raise the helicopter and move it forward. Smaller                   forces, acting on an aircraft during flight. The weight
       rotors on the tail keep the craft straight.                         of gravity pulls it down, lift raises it up, thrust moves
                                                                           it forward, and drag pulls it back. The pilot uses the
                                                     Main rotor blades     controls to manage these forces to take off, fly, and
                                                                           land safely.

                                                                  Tail                 Gravity
       Cockpit                                                    rotor


                                                                          Drag                                 Thrust

                                                                                          Lift
                                               Landing skis

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