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Navigation Flashcards

1
Q

What is GMT

A

Greenwich Mean Time

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2
Q

What is DR

A

Dead Reckoning

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3
Q

What is DIW

A

Dead In Water

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4
Q

What is the difference between true bearing and relative bearing

A

True bearing is relation to true north, Relative bearing is relation to the ship

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5
Q

From what and where are the navigation lights operated from

A

Telltale Panel on the bridge behind the helm

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6
Q

How many navigation lights are there

A

5

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7
Q

What are the navigation lights called and what are their colors

A 
Port running light- Red
Starboard running light- Green
FWD masthead light- White
AFT masthead light- White
Stern light- White
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8
Q

What are the inport lights

A

Flag staff, Jack staff, Aircraft warning lights

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9
Q

What color is it for flight ops

A

Blue

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10
Q

Name one thing used during a man overboard

A

Oscar flag, Search light, Life ring, Smoke float

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11
Q

What is the stands called that house gyro repeaters for true bearing and fixed compass card for relative bearing

A

Pelorus stands

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12
Q

What is the name of the tool that QM’s use in conjunction with the pelorus to obtain bearing to visual navigation aid during transits through restricted waters

A

Telescopic Alidade

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13
Q

What is the job of the QMOW

A

To maintain navigation plot and be the eyes, ears, and voice of the navigator when he is not present

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14
Q

What is the job of the Conning Officer

A

To verbally drive the ship by giving rudder orders and speed orders to the helmsman and lee helmsan

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15
Q

Day shapes for restricted maneuvering

A

Ball-Diamond-Ball

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16
Q

What is IALA

A

International Association of Lifehouse Authority

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17
Q

Day shapes for vessel aground

A

Ball-Ball-Ball

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18
Q

Day shapes for vessel not in commond

A

Ball-Ball

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19
Q

Day shape for vessel at anchor

A

Ball

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20
Q

Day shape for vessel constrained by draft

A

Cylinder

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21
Q

Lights operated for man overboard

A

Red on Red flashing

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22
Q

Lights operated for restricted maneuvering

A

Red over White over Red

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23
Q

Lights operated for vessel at anchor

A

Red

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24
Q

Lights operated for vessel not under command

A

Red over Red

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25
Q

Lights oprerated for vessel aground

A

Red over Red over Red

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26
Q

What are the flags flown during UNREP

A

Golf, Romeo, Bravo, Prep

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27
Q

What tool is used by the QM’s to obtain L.O.P.’s from celestial bodies

A

Marine Sextant

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28
Q

What tool is used by the QM’s to quickly plot L.O.P.’s during navigation details

A

Parallel Motion Protractor (PMP)

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29
Q

How is drag circle calculated

A

Distance from the hawespipe to the the center pelorus plus the chain let out

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30
Q

How is swing circle calculated

A

Length of the ship plus the chain let out

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31
Q

What shape is an electronic fix

A

Triangle

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32
Q

What shape is a visual fix

A

Circle

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33
Q

What shape is a DR fix

A

Semi-Circle

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34
Q

What is an emergency breakaway

A

When the ship separates itself from alongside another ship during UNREP using max rudder turn and max propulsion for speed

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35
Q

What type of breakaway does our ship do after an UNREP

A

Accelerated standard breakaway

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36
Q

Why doesn’t our ship do an emergency breakaway

A

We would collide to other ship due to our pivot point located at 100 frame

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37
Q

What is term passed to the bridge that must be logged into the deck log and also passed to the signal bridge so that flag romeo can be lowered, signifying that we are officially alongside the other ship

A

Messenger in hand

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38
Q

What 3 times are the commissioning pennants aren’t flown

A

Precom, Decom and when admiral flag is flying

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39
Q

Which lines run north and south, meet at the poles and are measured east and west

40
Q

What is the auxiliary conning station used for

A

Alongside operations during unreps and mooring operations

41
Q

What is GPS

A

Global Positioning System

42
Q

What is the speed of wind for it to be considered a hurricane

43
Q

What is a fathometer

A

Measures depth of water

44
Q

What is a clinometer

A

Measure the list

45
Q

What is a barometer

A

Measures the amount of moisture in the air

46
Q

What is the helm used for

A

Steering the ship

47
Q

What is the lee helm used for

A

Control speed of the ship

48
Q

Alpha Flag

A

Divers in the water

49
Q

Bravo Flag

A

Fuel/Ammo transfer

50
Q

Foxtrot Flag

A

Fix wing and Helo ops

51
Q

Golf Flag

A

Guide ship

52
Q

Hotel Flag

53
Q

India Flag

A

Nesting ships

54
Q

Kilo Flag

A

Personnel working aloft, +1 over the side, +3 both

55
Q

Lima Flag

A

Hazardous of Electromagnetic Radiation to Ordinance (HERO)

56
Q

Papa Flag

A

Personnel recall

57
Q

Quebec Flag

A

Boat reacall

58
Q

Romeo Flag

A

Ready to receive a ship alongside

59
Q

Uniform Flag

60
Q

Five Flag

61
Q

Starboard Pennant

A

Senior Officer Present Afloat

62
Q

Prep Flag

A

15 minutes to discharge

63
Q

1st Substitute Flag

A

Absence of Flag Officer

64
Q

2nd Substitute Flag

A

Absence of Chief of Staff

65
Q

3rd Substitute Flag

A

Absence of Commanding Officer

66
Q

4th Substitute Flag

A

Absence of Civil Official

67
Q

How many life boats

68
Q

What word do they pass during abandon ship

A

Nearest land, if land is friendly/foe, distance to land, water temperature, life expectancy, water depth, distance to land

69
Q

Responsibility of the helm

A

Drive the ship

70
Q

Responsibility of the BMOW

A

In charge of all enlisted on the bridge and 1MC annoucments

71
Q

Responsibility of the QMOW

A

Safe navigation of the ship

72
Q

Responsibility of the OOD

A

Overall in charge of the bridge

73
Q

Responsibility of the JOOD

A

U/I on the bridge

74
Q

Responsibility of the CONN

A

Drives the ship

75
Q

What is set

A

The direction the current is pushing the ship

76
Q

What is drift

A

Speed the current is pushing us

77
Q

What is CG

A

Guided missile cruiser

78
Q

What is DD

79
Q

What is DDG

A

Guided missile destroyer

80
Q

What is FFG

A

Guided missile frigate

81
Q

What is AO

82
Q

What is AE

A

Ammunition Ship

83
Q

What is LHA

A

Amphibious assault ship

84
Q

What is LHD

A

Amphibious assault ship

85
Q

What is LPD

A

Amphibious transport dock

86
Q

What is SSN

A

Nuclear attack submarine

87
Q

What is SSBN

A

Nuclear ballistic missile submarine

88
Q

What is a Stadimeter

A

Measures the distance between two ships or an object

89
Q

What is Beadwindow

A

Violations over the air

90
Q

What is the flag called underway

91
Q

How many GPS satellites do we have

92
Q

Describe IALA

A

2 Systems Alpha/Bravo. The U.S. uses Bravo

93
Q

Responsibility of the Lookouts

A

Report everything they see or hear

94
Q

What is Advance Transfer

A

2 points. Where you start and where you end

95
Q

What are the 3 types of recovery

A

HELO, RHIB, Shipboard

96
Q

What are some tools used by the QMOW

A

Chart, Pencil, PMP, Compass, Erasure, Signal Flags, Marine Sextant, Day Shapes, Telescopic Alidade

97
Q

Oscar Flag

A

Man Overboard

Board (12 decks)

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