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OIC > Nav Standars > Flashcards

Nav Standars Flashcards

1
Q

3 minute rule?

A

Speed x 100 = distance traveled in Yards

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2
Q

6 Minute Rule

A

Speed / 10 = Distance traveled in NM

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3
Q

ICW Marks?

A

Yellow triangle - STBD hand aid

Yellow square - Port hand aid

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4
Q

ICW length

A

Manasquan, NJ to Brownsville, TX

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5
Q

Special Mark color?

A

Yellow

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6
Q

Safe water mark color/design

A

Vertical red and white stripes

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7
Q

Danger mark color/design

A

Black and red horizontal stripes

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8
Q

What type of marks does US waters use

A

Lateral. Port/STBD side of a channel

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9
Q

What IALA system used in US waters? What does IALA stand for?

A

Bravo

International association of lighthouse authorities

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10
Q

What are the different modes of navigation? What are the Nav Modes definition and position source?

A

Automated. Installed enav with auto position input

Manual. Installed enav with manual input OR, traditional paper charts due to enav failure.

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11
Q

Navigator requirements for cutters and ashore units?

A

Cutter. Designated by OIC, experiences OOD with maturity, judgment, training, and navigator proficiency

Ashore. Designate navigation pretty officer. Experienced coxswain with enav, charts, and manual plotting proficiency.

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12
Q

OIC nav standard command responsibilities

A
  1. Ensure compliance with provisions of CG nav standards.
  2. Promulgate unit nav standards in 90 days
  3. Assign, train, and certify navigation personnel
  4. Incorporate principles of effective risk management
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13
Q

Additional OIC command responsibilities for cutters?

A
  1. Ensure primary nav team is trained and proficient
  2. Maintain crew proficiency in anchoring
  3. Fully understand all modes of operation for the cutter
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14
Q

Additional OIC responsibilities for boats?

A
  1. Ensure boat crews are trained to provide nav support to the crew.
  2. Develop coxswains ability to nav by seaman’s eye through extensive AOR familiarization
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15
Q

What are the 2 types of electronic charts? Hierarchy?

A

Vector (ENC, DNC,…)
Raster (digital image)

  1. Official ENC / IENC
  2. NGA DNC
  3. Official RNC
  4. Commercial Vector
  5. Commercial Raster
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16
Q

What is an electronic fix? Visual fix? Running fix?

A

Electronic. 1) electronic lat/long, 2) 3 or more radar ranges, or combination of radar and visual LOPs

Visual. Simultaneous intersect of three or more LOPs

Running. Used for limited LOPs. Advances/retires previous LOP based on consistent course

17
Q

What is set and drift

A

Effect of wind, tide, and currents on ships movement through the water.

Set. Direction (true/magnetic)
Drift. Effect on speed

18
Q

Six rules of a DR

A
  1. Every hour on the hour
  2. Every course change
  3. Every speed change
  4. After each fix or running fix
  5. When obtaining a single LOP
  6. New course line from each fix or running fix
19
Q

Enav alarm hierarchy and characteristics?

A
  1. Danger. Flashes red with continuous audible alarm
  2. Warning. Flashes yellow with brief audible alarm
  3. Caution. Flashes yellow
20
Q

Cutter paper chart requirements

A 
If utilized...
1. Designate list of ready charts
2. Pen shoal water
3. Label OIC approved tracklines with;
True and mag course, leg distance, leg speed, visual/radar points, danger and turn bearings/ranges, slide lines, chart shifts
21
Q

Cutter nav standards shall cover what navigational information

A

Nav draft, safety contour, shallow contour, safety depth, LOA, beam, masthead height, tactical data, full load draft, height of bridge above waterline, location if GPS antenna, distance from hawsepipe to alidade, distance from hawsepipe to GPS, distance from hawsepipe to stern, distance from radar to hawsepipe, distance from GPS to stern, distance from radar to stern, line commands, helm commands, engine order commands

22
Q

Cutter additional nav standards requirements

A
  1. Defined nav zones
  2. Appropriate fix interval
  3. Route planning
  4. Unique operations
  5. Speed management
  6. Cell phone use
  7. Chart and pub preps
23
Q

On cutters. What makes an electronic or paper chart current

A

Electronic. Updated within last 45 days

Paper. Most current edition and corrected up to the last LNM/NTM

24
Q

Cutter boat nav standard requirements

A
  1. Boat characteristics
  2. Crew manning requirements and personnel limitations
  3. Environmental limitations and operating parameters
  4. Other; speed reqs, speed management, pursuit….
25
Q

Cutter boat crew brief requirements

A
  1. Risk assessment
  2. Boat crew assignments
  3. Review of intended route
  4. Review of known hazards
  5. Environmental factors
  6. Equipment status
  7. PPE
  8. Comms plan
26
Q

Shore based boat nav requirements

A
  1. Navigational information; nav draft and fixed/unfixed height
  2. Nav zones (AOR key areas and waypoints)
  3. Fix interval
  4. Route planning
  5. Unique operations
  6. Speed management
  7. Cell phone use
27
Q

Ashore boat crew brief requirements

A
  1. Review voyage plan
  2. Crew positions
  3. Safe speed for mission and conditions
  4. Identification of hazards to nav
  5. Anticipated vessel traffic
  6. Environmental considerations
  7. AIS mode
  8. Risk assessment
  9. Post-op debrief
28
Q

Shore based chart correction requirements? Electronic and paper

A

Electronic. 6 months
Paper. Current edition with most recent LNM/NTM

Must maintain master portfolio of paper charts

29
Q

Cutter, cutter boat, and ashore boat publication requirements?

A

Cutter. Coast pilot, light list, tide tables, colregs/inland nav rules

Cutter boat. None

Ashore boat. Coast pilot for AOR

OIC (13 decks)

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