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WMSL > U/W OOD > Flashcards

U/W OOD Flashcards

1
Q

What is the U/W OOD’s responsibilities?

A
  • in charge of the ships safety and performance of duties
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2
Q

What is the CONN responsible for?

A

Is responsible for the movement of the ship, navigation, monitoring vessel traffic, collision avoidance, contact reports, etc

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3
Q

What is the DECK responsible for?

A

Is responsible for taking reports, monitoring communications, POD, etc

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4
Q

What is the EOW responsible for?

A

To assist the OOD in operating and maneuvering the ship and ensuring systems are operational

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5
Q

What is the CIC Watch Supervisor responsible for?

A

Is responsible to maintain awareness of the surface and air tactical situation

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6
Q

What is the XO’s responsibility?

A

Is responsible for the general duties of the ship. XO may assume charge of the deck

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7
Q

What is the Navigator’s responsibilities?

A

Usually the OPS, may order course and speed changes

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8
Q

What is the Tactical Action Officer responsible for?

A

The TAO, during GQ, OOD is subordinate to the TAO. TAO is in charge of fighting the ship

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9
Q

What is the best indicator for Risk Of Collision?

A

A visual bearing drift by alidade is the best indicator of ROC

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10
Q

What is Extremis?

A

Point in which collision cannot be avoided by the action of the give way vessel alone. 1600 yrs or 12x the length of our vessel

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11
Q

What shall you do if you reach Extremis?

A
  • pipe CO to the bridge
  • sound 5 or more short blasts and attempt comms with the other vessel
  • endure the helm and engines are ready for maneuver
  • check for any hazards to navigation or anything else for a turn to STBD
  • at 1500 yards sound another 5 or more short blasts, turn the STBD to match the vessels true course and increase speed. This will reduce the rate of closure, increase the rate of turn, and provide the other vessel with a visible clue of what your doing
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12
Q

What are the two modes of navigation for the CGC KIMBALL?

A
  • Automated Plotting - installed eNav System with automatic positioning input, used as a primary means of navigation
  • Manual Plotting - installed eNav System with manual positioning input, used as primary means of navigation

Or, traditional paper navigation, using manual positioning input, is used as primary means of navigation, usually due to eNav failure.

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13
Q

What is another planned use of paper navigation?

A

Is done for proficiency and training or when there is a lack of electronic chart availability

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14
Q

Seaman’s Eye

A

Is defined as navigation based on an extensive knowledge of the local area to include aids to navigation, terrestrial landmarks, and depth contours. If it’s coupled with all other available navigational tools, can be used by COXN’s as a primary method of boats navigation and to maintain the situational awareness of the boats position. For cutters it can be used to correlate what is being displayed on electronic navigation systems with what’s being observed visually

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15
Q

What are the preferred electronic charts for CG navigation systems?

A

Vector charts

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16
Q

What are the different electronic charts we have?

A

Vector charts - consists of points, lines, and data that represent real world objects and are stored as a separate data file that can be queried by chart users

  • ENC - electronic nav chart
  • IENC - inland electronic nag chart
  • DNC - digital nautical chart

Raster charts - are merely a scanned image of a chart. It’s not layered so you cannot adjust filters, apply corrections, set alarms or query raster chart data for amplifying information

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17
Q

What are Raster charts?

A

It’s a digital image of the corresponding paper chart

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18
Q

LOP

A

Lines of position

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19
Q

What are your types of fixes?

A

Electronic fix

  • lat / long
  • intersection of 3 or more radar ranges or a combination of visual LOP’s and radar ranges obtained simultaneously

Visual fix
- intersection of 3 or more LOP’s or LOP’s from celestial bodies if properly advanced from the time of observation

Running fix
- used when limited objects are available to take LOP’s and the vessel remains on a constant course. This type of fix advances or retires an LOP taken from the same object at two different times to fix a vessels position

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20
Q

What can be done to verify position?

A
  • Radar and chart matching
  • radar overlay on eNav System
  • Fathometer to match observed depth with charted depth
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21
Q

When evaluating fixes, what will u do?

A

Analyze the fix with due regard to accuracy, relation to the vessels intended track, proximity to shoal water or other nav hazards, environmental conditions and their effects on the vessels intended track and any other situational dependent factors that must be considered for safe navigation

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22
Q

Set and drift

A

Is the cumulative effect of wide, tide and current on a vessels movement they the water.

Set - is the direction these forces have moved the vessel

Drift - is how these forces effect the vessels planned speed of the vessel

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23
Q

Advance and Transfer

A

Deviations from the intended track and track speed may occur from the turning characteristics of the vessel

Advance - is the distance along the vessels current track it will travel during a turn

Transfer - is the distance perpendicular, or the slide, a vessel will experience as it travels through a turn

24
Q

What is dead reckoning?

A

The process of plotting a course from a known position, at a given speed and duration of time, to determine a vessels anticipated or estimated position along a track line. When compared to the vessels known or fixed position at a specific time, it enables personnel to determine the effect of external influences.

25
Q

What are the 6 rules for dead reckoning?

A
  • least everyone hour on the hour
  • every course change
  • every speed change
  • after each fix or running fix
  • when obtaining a single LOP
  • new course line from each fix or running fix
26
Q

Navigational Draft

A

30 feet

27
Q

Safety contour on charts are set at what?

A

30 feet

9 meters

5 fathoms

28
Q

Shallow contour will be set at?

A

30 feet

29
Q

Safety depth will be set at?

A

30 feet

30
Q

Length overall

A

418’ 7”

31
Q

Beam

A

54 feet

32
Q

Masthead light

A

Fixed - 152 feet

Safe vertical clearance - 160 feet

33
Q

Tactical diameter

A

551 yards

34
Q

Full load draft

A

22’ 9”

35
Q

Height of bridge above the waterline

A

47 feet

36
Q

Location of GPS antenna

OSRP (GOS offset)

A

2 feet forward of frame 67

37
Q

Distance from hawsepipe to alidade

A

104 feet

38
Q

Distance from hawsepipe to stern

A

395 feet

39
Q

Distance from hawsepipe to GPS antenna?

A

94 feet

40
Q

Distance from radar antenna to hawsepipe?

A

125 feet

41
Q

Distance from GPS antenna to stern?

A

304 feet

42
Q

Distance from radar antenna to stern?

A

273 feet

43
Q

What is considered shoal waters?

A

All waters 30 feet (9 meters or 5 fathoms) or less

44
Q

What is considered restricted waters?

A

All waters within 3nm of any navigational hazard or within 3nm of shoal water

45
Q

What is considered coastal waters?

A

All waters more than 3nm but less than 10nm from any navigational hazard or shoal water

46
Q

What is considered piloting waters?

A

Piloting waters and considered as coastal waters

47
Q

What is cool snide red open ocean?

A

All waters greater than 10 no from any navigational hazard or shoal water

48
Q

What is your fix interval for Restricted Waters?

A
  • fix at least every 3 minutes
  • dr’s at least 2 fix intervals in advance
  • set and drift computed every fix and applied to the next dr
  • Primary and secondary plots shall use the same fix interval and take fixes at the same time for comparison
  • primary position source must be compared to an unrelated position source ( radar overlay, chart matching, visual/radar LOP) and logged every other fix
49
Q

What is your fix interval for Coastal Waters?

A
  • fixes at least every 6 minutes
  • dr’s at least 2 fix intervals in advance
  • set and drift computed at every fix and applied to the next DT
  • primary and secondary plots shall use the same fix interval and take fixes at the same time for comparison
  • primary positioning source must be compared to an unrelated position source ( radar overlapping, chart matching, visual/radar LOP) and logged every hour
50
Q

What is the fix interval for Open Ocean?

A
  • fixes at least every 30 minutes
  • dr’s at least 2 fix intervals in advance, plotting dr’s on paper charts are not required for BARPAT or Box OPS in Open Ocean Water
  • set and drift computed every fix and applied to the next dr
  • primary and secondary plots shall use the same fix interval and takes fixes at the same time for comparison
  • primary position source must be compared to an unrelated position source ( radar overlay, chart matching, visual/radar LOP) and logged once per day
51
Q

What is your fix interval at anchor?

A
  • fixes are at least every 15 minutes
  • a combination of a minimum of 4 visual and/or radar LOP’s shall be set up for each fix
  • primary and secondary plots shall use the same fix interval and take fixes at the same time for comparison
52
Q

Three things that must be on an electronic chart that will be used in restricted waters?

A
  • true course
  • magnetic course
  • distance of the track leg
53
Q

What shall u as the OOD verify on the paper charts used in restricted waters?

A

That they have been signed, or otherwise certified by the CO as being fully prepared, corrected and ready for use

54
Q

When shall MOBOARDS be used?

A

For all contacts with a CPA of less than 3nm

55
Q

What is your cross track error for restricted waters?

A

No more than 50 yards or half the width of the channel, whichever way is less

56
Q

What is your cross track error for coastal waters?

A

1000 yards

57
Q

What is your cross track error for open ocean?

A

2000 yards

WMSL (5 decks)

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