buoys

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Across
  1. 2. preferred way
  2. 3. yellow and blue buoy
  3. 5. has a white light and a red ball
  4. 7. buoy with morse
  5. 9. buoy that shows safest water flashing 3
  6. 10. can buoy
  7. 12. preferred that flashes green 2+1 composite
  8. 16. danger buoy colour
  9. 17. port lateral buoy light
  10. 18. scientifically buoyed
  11. 20. has two or three coloured lights to see
  12. 21. buoy that looks like a stick
  13. 22. isolated danger topmark
Down
  1. 1. buoy at fork in the roadway
  2. 4. land based buoyage
  3. 6. Arrows up
  4. 8. cautionary buoy colour
  5. 11. buoy sending radar message
  6. 13. lights in line shows the way
  7. 14. numbers on red buoys are...
  8. 15. buoys marking side to go
  9. 19. has triangles downward