Aviation

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Across
  1. 2. ministry of something
  2. 5. everyone has access
  3. 7. a kind of traveller
  4. 10. cabin
  5. 12. a sort of security
  6. 13. kind of operations
  7. 14. ramp
  8. 16. organisation
  9. 19. a sort of system
Down
  1. 1. a kind of traveller
  2. 3. only travellers have access
  3. 4. explosive
  4. 6. traffic
  5. 8. passenger what
  6. 9. service
  7. 10. stairs
  8. 11. operator
  9. 15. agent
  10. 17. Aviation
  11. 18. officer