Airline terminology

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Across
  1. 2. unuseable
  2. 6. liquid pressure
  3. 7. the central communication department
  4. 8. a folding seat in the cabin occupied by an FA
  5. 9. the boss
  6. 11. the angle of the nose in relation to the horizon
  7. 12. the rules
  8. 15. irregular motion of the air
  9. 16. not enough air
  10. 18. in operating order
Down
  1. 1. passengers under the age of two years old
  2. 3. unable to function
  3. 4. the loss of body heat
  4. 5. suspension of traffic
  5. 10. above sea level
  6. 13. intentional damage
  7. 14. an area used for loading and unloading
  8. 15. the movement of the aircraft on the ground
  9. 17. established and maintained for guidance