NATO Brevity Codes (Easy)

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Across
  1. 1. Fuel state needed for recovery, or, I am proceeding to specified base/carrier
  2. 3. Tacco
  3. 6. Contact is above layer depth
  4. 7. Reporting unit doesn't hold contact any more for a track it is responsible for
  5. 8. Stop snorkelling, or, I am not snorkelling
  6. 14. Long range MPA
  7. 19. Home airfield/carrier
  8. 20. Call sign of ACU
  9. 22. Height of contact in hundreds of feet
  10. 24. Do not open fire unless targets have been ident. as hostile
  11. 25. Sub contact is using battery propulsion
  12. 26. Flying over land
  13. 27. Visual sighting of a periscope
  14. 28. Increasing in range
  15. 31. Height of friendly aircraft in hundreds of feet
  16. 34. Tactical data system computer
  17. 36. Unidentified aircraft
  18. 37. Last known position of sub or suspected sub after contact has been lost
  19. 40. Area within which units may interfere with ASW torpedoes
  20. 43. Equipment is operating efficiently
  21. 44. Height of friendly aircraft in thousands of feet
  22. 46. An ESM emission which has been assigned to a number of the track block
  23. 47. A radar contact that has suddenly disappeared
  24. 48. Range to a target/object in hundreds of yards
Down
  1. 2. I am over the datum, target, or position indicated
  2. 3. Contact is classified as probable submarine
  3. 4. Surface/sub launched anti-ship missile
  4. 5. Hostile nuclear sub
  5. 9. A friendly ship/sub/aircraft with which I am operating
  6. 10. Flying over water
  7. 11. Radar or emitter equipment
  8. 12. Laying sonobuoys
  9. 13. Your last transmission disclosed friendly information
  10. 15. Requested action is authorised
  11. 16. Air launched anti-ship missile
  12. 17. A vectored attack
  13. 18. IFF
  14. 19. Snorkel, or, I am snorkelling
  15. 21. Carry out briefed action
  16. 23. Contact is classified as certain submarine
  17. 29. Contact has been classified as non submarine
  18. 30. Parent ship
  19. 32. Fishing or other small craft
  20. 33. Aircraft identified as an enemy
  21. 35. Contact is classified as possible submarine (high/low)
  22. 38. Contact is below layer depth
  23. 39. TACAN
  24. 41. Submerged object is detected
  25. 42. Equipment is operative
  26. 45. Submarine depth in tens of ft
  27. 47. Operate IFF