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ESWS > Navigation > Flashcards

Navigation Flashcards

1
Q

VMS

A

Voyage management system

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2
Q

GPS

A

Global positioning system

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3
Q

True bearing

A

Bearing relative to true north

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4
Q

Relative bearing

A

Bearing relative to the Ship

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5
Q

Fix

A

The ships position determined without reference to any former position

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6
Q

D.R.

A

Dead reckoning

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7
Q

Why is DR important?

A

It helps determine possible encounters with hazards to navigation.

Ex: Buoys, fish Havens and shipwrecks

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8
Q

SET

A

The direction the ship is being pushed off course

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9
Q

Drift

A

The speed at which the ship is being pushed off course

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10
Q

Rules of the road

A

Manual used to determine how to safely navigate through inland an international waters

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11
Q

Who publishes the rules of the road?

A

Coast Guard

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12
Q

day shapes

A

Shapes used to communicate to other ships our circumstance so that they can make measures to keep safe

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13
Q

The night time equivalent to ball?

A

Red light

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14
Q

What is the nighttime equivalent to diamond?

A

White light

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15
Q

DIW

A

Dead in the water

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16
Q

Who orders abandon ship?

A

CO

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17
Q

Arc of visibility for the mast light?

A

225 degrees

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18
Q

What is the arc visibility for the port and starboard running lights?

A

112.5 degrees each

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19
Q

What is the arc of visibility for the stern light?

A

135 degrees

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20
Q

How many bouyage systems are there?

A

2

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21
Q

What are the names of bouyage systems?

A

Lateral and cardinal

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22
Q

COLREGS

A

Collision regulations at sea

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23
Q

What do COLREGS dictate?

A

The lines of inland and international waters

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24
Q

SOPA

A

Senior officer present a float

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25
Q

Latitude

A

Lines that run east to west

Measured north to south

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26
Q

Longitude

A

Lines that run north to south are measured east to west.

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27
Q

Reference for all lines of latitude?

A

The equator

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28
Q

Reference for all lines of longitude?

A

The prime meridian

29
Q

GMT

A

Greenwich mean time

30
Q

Define GMT

A

Time based upon the Greenwich Meridian

31
Q

How many times zones are there?

A

24

32
Q

How many time zone designators are there?

A

25

33
Q

What is the time zone designator?

A
  • Location to GMT, and

* Helps determine local time is for a certain area

34
Q

Which time zone designator is NOT used?

A

Juliet

35
Q

What is our primary means of navigation?

A

GPS

36
Q

NAV Evaluator

A
  • Collects info from the Nav Plotter

* Makes course changes for the CONN

37
Q

Nav plotter

A
  • Collects info from Bearing Book Recorder

* Uses info to plot position of the ship.

38
Q

Bearing book recorder

A

• Records bearings from the bearing takers

39
Q

Bearing taker

A

• Uses a telescopic alidade to get true bearing

40
Q

Deck log recorder job?

How often do they record set and drift?

A
  • Records every occurrence during sea and anchor detail

* Every 3 minutes

41
Q

Signal bridge personnel

A

• Flag hoisting for sea and anchor.

42
Q

Navigator

A
  • Maintains safe navigation of the ship.
  • Advises the CO, TAO, and OOD as to the ships movements
  • Supervises navigation when in restricted waters or during general quarters
43
Q

Location of bridge

A

08

44
Q

Location of signal bridge

A

09

45
Q

Officer of the deck

A
  • In charge of everyone on the bridge
  • Gives permission to execute operations and drills.
  • Coordinates with TAO and EOOW
46
Q

Conning officer

A
  • Gives orders to helmsmen/Lee helmsmen

* Determines course and speed changes

47
Q

Junior officer of the watch

A
  • Maintains coms with other vessels

* Watches radars and AIS

48
Q

Quartermaster of the watch

A
  • Eyes and ears of the navigator when he’s not on the bridge.
  • Direct assistance to the OOD in maintaining safe navigation
49
Q

What are the ways quartermasters can communicate visually?

A
  • Flag hoist
  • Flashing light
  • Semaphore
50
Q

How many searchlights do we have on board?

A

6

51
Q

How many flag bags do we have onboard?

A

2

52
Q

Alfa

A

Divers

53
Q

Bravo

A

Transferring fuel/ammo

54
Q

Fox trot

A

Fixed wing flight operations

55
Q

Golf

A

Guide ship

56
Q

Hotel

A

Hilo OOD

57
Q

India

A

Mooring along side

58
Q

Kilo

A

A loft

59
Q

Lima

A

HERO conditions

60
Q

Oscar

A

Man overboard

61
Q

Papa

A

Personnel recall

62
Q

Romeo

A

Replenishment at sea

63
Q

Uniform

A

Anchored

64
Q

Flag 5

A

Breakdown

65
Q

1st substitute

A

Absent admiral

66
Q

2nd substitute

A

Absent chief of staff

67
Q

3rd substitute

A

Absent captain

68
Q

4th substitute

A

Absent civilian official

ESWS (14 decks)

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