Airport crossword

123456789
Across
  1. 5. needed to travel internationally
  2. 6. area anyone can access
  3. 9. only offered when coming or going through international travel
Down
  1. 1. needed to travel on a flight
  2. 2. words used to communicate instead of letters
  3. 3. area where you only passengers are allowed
  4. 4. 11th word in phonetic alphabet
  5. 7. responsibilities involve aviation as a whole
  6. 8. TUO