Chartwork 2

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Across
  1. 4. What POD stands for (11,2,9)
  2. 7. Like a creeping line ahead but different (8,5)
  3. 10. When the upper limb of the sun is on the horizon
  4. 11. This book is a good read when looking at a chart(5,6)coverage This factor is known as C
  5. 17. I'm the P in TAPSIC
  6. 19. Not the one that plays footie
  7. 20. Something you should plan before you set off
  8. 22. The drift taking into account tide and leeway
  9. 24. Search pattern well liked by helicopters
  10. 26. A plotting tool has been named after a this place
  11. 27. Before sunrise and after sunset
Down
  1. 1. I am the E in ETA
  2. 2. This type of line is not moving fast ahead
  3. 3. Navigational tool used to draw ranges on a chart
  4. 5. A position obtained by only using heading and speed(4,9)
  5. 6. I'm the M in SMEAC
  6. 8. Three of them on tide, two on course made good and one on a heading
  7. 9. Type of a fishy search
  8. 12. I'm the T in TAPSIC
  9. 13. This square gets bigger and bigger
  10. 14. Head on, crossing or overtaking
  11. 15. Where you expect the search object to be in perfect conditions
  12. 16. Second stage of passage planning
  13. 18. The direction you go without tides
  14. 21. Distance between adjacent search legs
  15. 23. I'm the S in SMEAC
  16. 25. Not a bad course