Aeronautic crossword

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Across
  1. 1. A rigid horizontal structure that projects from both sides of an aircraft and supports it in the air.
  2. 5. Designate the shape of an aircraft wings
  3. 8. A part of a machine that spins, especially the device supporting the turning blades of a helicopter
  4. 10. Part of the aircraft taht breaks the lift of the planes
  5. 11. Any planes that can land on water
  6. 14. Any vehicle, that can fly
  7. 17. An unmanned aerial vehicle
  8. 18. A type of aircraft without wings, that has one or two sets of large blades that go round very fast on top
  9. 20. type of force that counters the weight of the aircraft
Down
  1. 2. A light aircraft that is designed to fly without using an engine.
  2. 3. First part of the flight where the plane lift of the ground
  3. 4. A colourless, odourless, highly flammable gas,
  4. 6. One of the latest type of engine invented
  5. 7. The main body of a plane including the bottom, sides, and deck
  6. 9. Refers to the forces taht oppose the motion of the aircraft
  7. 12. Type of regime that allows for max fuel efficiency
  8. 13. Other word used to describe the speed of an object
  9. 15. Ressources that d=feed the engines of an aircraft
  10. 16. Part of an aircraft that generate the thrust
  11. 19. Refers to the forces that permits the motion of the aircraft