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Oupv > Important Highlighted > Flashcards

Important Highlighted Flashcards

1
Q

For charts the smaller the ratio the more detailed the chart is
Example: 1; 50,000 is a harbor chart

A
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2
Q

Longitude lines are also called?

A

Meridian lines

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3
Q

How to remember about safe speed:

Very
Drunk
Mariners
Buy
Whisky
Daily

A

Determining safe speed
Visibility
Density (of traffic)
Maneuverability
Back scatter (background light)
Wind- sea current
Draft

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4
Q

Circular shaped buoys

A

Indicates that certain operating restrictions are in effect within the marked area (reduce speed, etc)

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5
Q

Isophase lights

A

A light where the duration s of light and darkness are equal
Example: ⬛️⬜️⬛️⬜️⬛️⬜️

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6
Q

Safe water buoy shows?

A

Morse code lighting (A)

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7
Q

Safe water buoy shows?

A

Morse code lighting (A)

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8
Q

Topics in the coast pilot include?

A

Channel descriptions
Anchorages
Nav regulations
Dangers
Small craft facilities

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9
Q

Neap tides

A

When the moon is in quadrature (quarter moon) which results in lower tidal ranges

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10
Q

Spring tides

A

Full and new moons- The sun’s gravitational pull lines up with the moon, which results in higher tides

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11
Q

Range for tides

A

The difference between the heights of a successive high tide and low tide , found by subtracting the height of low water from the height of high water

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12
Q

Stand of the tide

A

The period at high or low tide during which there is no change in the height of the water

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13
Q

Flood stream (which direction in regards to tides)

A

Horizontal movement of water toward land following a low tide

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14
Q

Ebb (stream) - which direction of tide?

A

Horizontal movement of water away from land following a high tide

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15
Q

Slack water (referring to current)

A

BEST TIME TO MOOR YOUR BOAT (on test)
The period of minimum or no current

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16
Q

Running fix

A

A position made by using two or more lines of position (LOP)

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17
Q

RADAR

A

Radio detection and ranging

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18
Q

Target range (in regards to RADAR)

A

The most accurate determination made by radar is that of range (distance)- more accurate than bearings or directions

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19
Q

Cyclone

A

Related to bad weather- low pressure area or storm . Usually means cloudy weather and precipitation

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20
Q

Low pressure cyclone (what type of weather?)

A

Not to be confused with tropical cyclones of the Indian Ocean, they bring about bad weather

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21
Q

Veering wind (which direction?)

A

Winds which shift in a clockwise direction in the northern hemisphere

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22
Q

Backing wind (which direction?)

A

Winds which shift in counterclockwise direction in the northern hemisphere

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23
Q

Types of clouds

A

Cirro- high
Nimbo- rain
Cúmulo- fluffy
Strato- layered

24
Q

Fog (when does it occur?)

A

Fog occurs when the difference between temperature and dew point is less than 5 degrees and decreasing. It’s the Condensation of water vapor close to the surface of water or land. It requires moist air and a cooling medium

25
Q

Barometer

A

Values are indicated in both millibars and inches of mercury

26
Q

Dew point

A

The temperature to which air must be cooled at a constant: pressure/water vapor content to reach saturation

27
Q

Navigable semi circle

A

Bring the wind on the starboard quarter(135 relative) hold course and make as much way as possible.

28
Q

Manila line

A

Strongest of natural fibers.

29
Q

Synthetic fiber line

A

Resistant to rot and mildew

30
Q

Nylon line

A

Is the strongest of the synthetic fibers , elasticity and resistance to weather . Best suitable to withstand sudden shock loads

31
Q

Dacron

A

Very little stretch

32
Q

Fid

A

A tapered wood pin used to splice natural or synthetic line

33
Q

Marlin spike

A

A tapered metal pin used to splice wire or to open shackles

34
Q

VHF

A

VHF - from 156 to 174 MHz used for line of sight communications. 20 mile range

35
Q

Channel 13

A

Navigational ship to ship also used at locks and bridges

36
Q

Swivel

A

Attaches the chafing chain to the detachable link allowing the line to spin freely.

37
Q

Line and chain length/scope recommendations

A

7:1

38
Q

In bad weather with heavy winds and currents the anchor rode scope should be?

A

10:1

39
Q

What to do when dragging anchor

A

Increase your scope
Use your engine and set anchor or set another anchor
Get underway
Set a sentinel (Kellet’s, anchor angel, or buddies)

40
Q

Weighing anchor means?

A

Lifting it from the bottom

41
Q

Veering the anchor?

A

Pay out more chain or line

42
Q

Submarines may display what lights?

A

Intermediate flashing amber (yellow) light with a sequence of one flash per second for 3 seconds o by a 3 sec off period

43
Q

Underway means?

A

A vessel is not moored, anchored or made fast to the shore or aground

44
Q

Rule 15- inland crossing

A

On the Great Lakes , western rivers or waters specified by the secretary a power driven vessel crossing a River shall keep out of the way of a power driven vessel ascending or descending the river

45
Q

Air cushion vessel when operating in non displacement mode shall in addition to the lights prescribed exhibit

A

An all around flashing yellow light
WIG craft is all around flashing red light

46
Q

Yellow over yellow I’m pushing or hip towing a fellow

A

Can have two yellow instead of a stern

47
Q

Rule 24- inland (Mississippi)

A

On the western rivers ( except below the Huey p long bridge on the Mississippi) a power driven vessel when pushing ahead or towing along side shall exhibit
Sidelights
Two towing lights in a vertical line
NO MASTHEAD LIGHT

48
Q

Which vessel is not recognized by inland rules?

A

CBD Constrained by draft

49
Q

A vessel aground shall exhibit

A

2 all around red lights in a vertical line
Three balls in a vertical line

50
Q

Four vessels that may not impede passage in a narrow channel

A

Sailing
20 meter
Crossing
Fishing

51
Q

Four vessels that may not impede passage in a narrow channel

A

Sailing
20 meter
Crossing
Fishing

52
Q

Five vessels that never show masthead lights

A

Pilot
Sailing
Being Towed
NUC
fishing

53
Q

One prolonged blast followed by 3 short blasts in fog indicates a

A

Manned vessel being towed

54
Q

Two prolonged blasts every two minutes in fog indicates

A

A power driven vessel underway and NOT making way through the water

55
Q

3 strokes of a bell, rapid ringing of the bell and three more strokes of the bell is sounded by?

A

A vessel aground less than 100 meters in the fog

56
Q

A vessel of less than 20 meters or a sailing vessel shall not impede the safe passage of a power driven vessel following a traffic lane

A

Oupv (14 decks)

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