Travelling by plane

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Across
  1. 7. A flight between different countries.
  2. 9. Luggage or bags carried by a passenger.
  3. 11. Unsteady air causing bumpy movement.
  4. 12. A reservation for a flight.
  5. 15. Device for weighing luggage.
  6. 16. Storage compartment above seats.
  7. 17. A company that operates flights.
  8. 19. Official document for international travel.
  9. 20. The process of registering for a flight.
Down
  1. 1. To secure something tightly.
  2. 2. To get onto the aircraft.
  3. 3. The process of getting passengers onto the plane.
  4. 4. A journey made by air.
  5. 5. Staff responsible for passenger comfort.
  6. 6. A stop between connecting flights.
  7. 8. Inspection area for arriving passengers.
  8. 10. The passage between rows of seats.
  9. 13. To arrive on the ground.
  10. 14. Document allowing entry onto the plane.
  11. 18. The act of leaving, especially for travel.