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Author:
Lee_d
ID:
261711
Filename:
Navigation
Updated:
2014-03-30 10:29:43
Tags:
cvn 70 carl vinson esws navigation
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ESWS
Description:
Navigation
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  1. What does GMT mean?
    Greenwich Mean Time
  2. What does DR stand for?
    Dead Reckoning
  3. What does DIW stand for?
    Dead In (the) Water
  4. What is the difference between true and relative bearing?
    • True Bearing - any bearing in relation to true north, given from 000 to 359 degrees
    • Relative Bearing - any bearing in relation to the ship, given from 000 to 359 degrees
  5. From what and where are the navigation lights operated from?
    Telltale panel on the bridge, behind the helm
  6. How many navigation lights are there?
    5
  7. What are the navigation lights called and what color are they?
    • Port running light - Red
    • Stbd running light - Green
    • Fwd Masthead light - White
    • Aft masthead light - White
    • Stern light - White
  8. What is used during a man overboard
    Oscar flag, search light, life ring, smoke float
  9. What are the stands called that house gyro repeaters for true bearing and fixed compass card for relative bearing?
    Pelorus Stands
  10. What is the name of the tool that QMs use in conjunction with the pelorus to obtain bearing to visual navigation aids during transits through restricted waters?
    Telescopic Alidade
  11. What is the job of the QMOW?
    To maintain the navigation plot and be the eyes, ears, and voice of the Navigator when he is not present
  12. What is the job of the conning officer?
    To verbally drive the ship by giving rudder orders to the helmsman and speed orders to the lee helmsman
  13. What day shapes are flown for restrictive maneuvering?
    Ball - Diamond - Ball
  14. What are the lights in port?
    • Flag Staff
    • Jack Staff
    • Aircraft Warning Light
  15. What are the day shapes for Vessel at Anchor?
    Ball
  16. What are the day shapes for Vessel Aground?
    Ball - Ball - Ball
  17. Describe what the starboard pennant looks like, and what it means
    •  (Ignore the white outside parts)
    • Senior Officer Present Aboard (SOPA)
  18. Describe what a bravo flag looks like and what it is for
    •  (Ignore the black part)
    • Refueling / Ammo transfer
  19. Describe what an Alpha flag looks like and what it is for
    •  (Ignore the black part)
    • Divers in the water
  20. What does kilo flag look like and what does it means
    • Personnel working aloft
  21. What flags are flown for personnel working over the side?
    •  +
    • Kilo 1
  22. What flags are flown for personnel working aloft and over the side
    •  +
    • Kilo 3
  23. Describe what prep pennant looks like and what it means
    •  (Ignore the white outside parts)
    • Preparation for Colors and Unrep
  24. Describe what an Oscar flag looks like and what it means
    • Man overboard
  25. Describe what a Papa flag looks like and what it means
    • Personnel Recall
  26. Describe what a Quebec flag looks like and what it means
    • Boat Recall or quarantine
  27. Describe what a Romeo flag looks like and what it means
    • Ready for Unrep
  28. Describe what a golf flag looks like and what it means
    • Guide Ship
  29. Describe what a Lima flag looks like and what it means
    • Hazards of electro-magnetic radiation to ordnance (HERO)
  30. Describe what a India flag looks like and what it means
    • Ready for ship to come along while in port
  31. Describe what a uniform flag looks like and what it means
    • Anchoring
  32. Who calls to abandon ship?
    The CO
  33. What information is given out during abandon ship?
    • Direction of nearest land and if friend or foe
    • Water temperature
    • Weather
    • Survivability
    • Wind Speed
  34. What are the 3 types of man overboard recovery?
    Helo, RHIB, Shipboard
  35. Describe advance transfer
    2 points - where you start and where you end
  36. What are the day shapes for Vessel not in Command?
    Ball - Ball
  37. What is the day shape for vessel constrained by a draft?
    Cylinder
  38. What are the lights for man overboard?
    Red on Red Flashing
  39. What is a marine sextant?
    Tool used by QMs to obtain "Lines of Position" from celestial bodies
  40. What is a fathometer?
    Measures the depth of the water
  41. What are six rules of Dead Reckoning?
    • Every course change
    • Speed
    • Hour on the hour
    • Lines of position
    • Running fix
    • 2 DRs every fix
  42. Describe IALA
    • International Association of Lighthouse Authority
    • 2 systems, Alpha and Bravo; US uses Bravo
  43. What does the "B" IALA system mean?
    Red Right Return
  44. What is the responsibilities of the OOD?
    In charge of safe navigation of the ship
  45. What is the responsibility of the helm?
    Steers the ship
  46. What is the responsibility of the Lee Helm?
    Indicates speed
  47. What is the responsibility of the BMOW?
    • Maintains order and discipline of enlisted personnel on the bridge
    • Passes word on the 1MC
  48. What is the responsibility of lookouts?
    Report everything they see or hear
  49. What is a barometer?
    Measures atmospheric preasure
  50. What is a cyclometer?
    Measures the moisture of the air
  51. What are pelorus stands?
    Stands used to house gyro repeaters (true bearing) and fixed compass cards (relative bearing)
  52. What are the flags flown during Unrep?
    • Prep + Golf + Romeo + Bravo
    •    
  53. What is another term for the Ensign that is flown from the main truck while underway?
    The steamer
  54. When are the 3 times the commissioning pennants AREN'T flown?
    Precom, Decom, when an admiral flag is flying
  55. On a map, which line runs north and south?
    Longitude
  56. What does GPS stand for?
    Global Positioning System
  57. What is a clinometer?
    Measures ship's list
  58. Describe what the 1st substitute pennant looks like and what it means
    •   (Ignore the green outside parts)
    • Absence of the Flag Officer
  59. Describe what the 2nd substitute pennant looks like and what it means
    •  (Ignore the green outside parts)
    • Absence of the chief of staff
  60. Describe what the 3rd substitute pennant looks like and what it means
    • (Ignore the green outside parts)
    • Absence of the Commanding Officer
  61. Describe what the 4th substitute pennant looks like and what it means
    • (Ignore the white outside parts)
    • Absence of civil official
  62. Define Swing Circle
    The length of the ship + the amount of chain in the water
  63. Define drag circle
    the peloris to the end of the ship + the amount of chain in the water
  64. What lights are operated on the mast during restricted maneuvering?
    Red over white over red
  65. What lights are operated on the mast while at anchor?
    red
  66. What lights are operated on the mast while vessel is not under command?
    red over red
  67. What lights are operated on the mast when vessel is aground?
    red over red over red
  68. What is the tool used by QM's to quickly plot Line of Positions (LOPs) during navigation details?
    Parallel motion protractor (PMP)
  69. How is the radius of drag circle calculated?
    Amount of the chain let out + the distance from the hawespipe to center pelorus
  70. How is the radius of swing circle calculated?
    scope of the chain + the length of the ship
  71. What shape is an electronic fix?
    Triangle
  72. What shape is a visual fix?
    Circle
  73. What shape is a DR fix?
    Semi-circle
  74. Describe what a foxtrot flag looks like and what it means
    • Fix wing AND helo ops
  75. Describe what a hotel flag looks like and what it means
    • Helo ops
  76. How fast must the wind be to be classified as a hurricane?
    64+ knots

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