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ESWS > Navigation > Flashcards

Navigation Flashcards

1
Q

(OOD) Officer of the deck

A

Responsible for everything that happens on ship

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2
Q

Conning Officer

A

Responsible for ship handling. Orders the helmsman a corse to steer and lee helmsman a speed time order up

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3
Q

(BMOW) Boatswains mate of the watch

A

Responsible for all lookouts and for the helmsman and lee helmsman

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4
Q

Helmsman

A

Responsible for steering the ship and making course changes

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5
Q

Lee helmsman

A

Responsible for indicating speeds when ordered by the conning Officer

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6
Q

Lookouts

A

Responsible for reporting surface and air contacts

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7
Q

(QMOW)Quarter Master of the watch

A

Assists the OOD with getting ship safely to where it needs to go , makes course recommendations, maintain deck logs

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8
Q

Latitude

A

Is the angular distance from the equator. North and south

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9
Q

Longitude

A

Angular distance from the prime meridian. East or west

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10
Q

Set/drift

A

Ship is being pushed due to wind and current

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11
Q

GMT

A

Greenwich mean time. Is the solar time measured off 0 degrees longitude in Greenwich , England

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12
Q

Time zones

A

Determines current time based off meridian you are located. There are 25 time zones

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13
Q

Variation/deviation

A

Variation- difference between geographic north and magnetic north.

Deviation- is error caused by magnetic effect of any metal near compass

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14
Q

IALA(A/B)

A

International association of marine aids to navigation and lighthouse authority

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15
Q

Different methods for attaining ships position

A 
7 methods. 
GPS 1
GPS 2 
DAGR
INS 1
INS 2
FURUNO
AIS
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16
Q

Celestial

A

Means using a sextant and celestial body

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17
Q

Advance/transfer

A

Advance-the distance the vessel moves in the direction of the original course
Transfer- distance the vessel moves perpendicular

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18
Q

Acceleration/Deceleration

A

Acceleration- tables derived from own ships tactical data to determine distance traveled by the ship at various speeds

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19
Q

True bearing means

A

Bearing based on true north

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20
Q

Relative bearing means

A

Bearings in relation to the ship

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21
Q

DIW means

A

Dead in the water

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22
Q

Stand on means

A

Vessel stays on the same course

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23
Q

Give way means

A

Vessel alters it’s course or speed

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24
Q

Emergency conditions

A
  • collision
  • allission
  • Aground
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25
Q

Collision

A

An act of colliding

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26
Q

Allision

A

Striking of one ship by another

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27
Q

Aground

A

Resting or lodged on the bottom of the ocean floor

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28
Q

Binoculars

A

Magnified glasses used for lookouts

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29
Q

Stadimeter

A

Measures the distance of an object of known height

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30
Q

Vessel at anchor

A

One black ball

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31
Q

Vessel not under command

A

Two black balls

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32
Q

Restricted in ability to maneuver

A

diamond ball

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33
Q

Vessel aground

A

Three black balls

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34
Q

Constrained by draft

A

Cylinder

35
Q

Towing

A

Diamond

36
Q

Refueling/ammunition handling

A

Bravo flag

37
Q

Boat recall

A

Quebec flag

38
Q

Personnel recall

A

Papa flag

39
Q

Divers

A

Alpha flag

40
Q

Personnel working afloat

A

Kilo flag

41
Q

Senior officer present afloat

A

STBD pennant

42
Q

Hazards of electro magnetic radiation to ordnance ( HERO)

A

Lima flag

43
Q

Ready to receive a ship alongside

A

Romeo closed up

44
Q

Man overboard

A

Oscar flag

45
Q

Anchoring

A

Uniform

46
Q

Absentee pennants

A

First substitute
Second substitute
Third substitute

47
Q

First substitute

A

Flag Officer is absent

48
Q

Second substitute

A

Chief of staff is absent

49
Q

Third substitute

A

CO is absent ( shifts to the XO if captain is absent for more than 72 hours )

50
Q

Low visibility sound signals

A
  • 1 prolonged blast not exceeding 2 min. When underway, making way.
  • 2 prolonged blast not exceeding 2 min. When underway, not making way.
  • Rapid bell 5 seconds followed by a gong and repeated each minute when anchored
51
Q

Barometer

A

Instrument for measuring atmospheric pressure

52
Q

Psychrometer

A

Instrument used for determining atmospheric humidity consisting of dry bulb and wet bulb thermometers

53
Q

Communication circuits

A
  • JW circuit uses for bearing taking
  • JX circuit uses for battle
  • JL circuit uses for lookouts
54
Q

Bull horn

A

Used to make voice louder

55
Q

Telltale panel

A

Panel that controls navigational lights

56
Q

(VMS) voyage management system

A

Uses electronic charts and sensors to maintain situational awareness and safe navigation

57
Q

Gulf

A

Guide ship

58
Q

Romeo at the dip

A

Delivery ship is preparing to take you alongside/receiving ship is ready to come alongside

59
Q

Romeo close up

A

Delivery ship is ready for approach

60
Q

Romeo hauled down

A

Messenger in hand

61
Q

Prep at dip

A

Receiving ship expects to disengage in 15min.

62
Q

Prep close up

A

Replenishment completed

63
Q

Prep hauled down

A

All lines clear

64
Q

Bravo at the dip

A

Temporary cease pumping fuel or transferring cargo

65
Q

Bravo close up

A

Transferring or receiving cargo or fuel

66
Q

Bravo hauled down

A

Transferring or receiving cargo or fuel complete

67
Q

Swing circle

A

The amount of distance the ship is allowed to swing from her anchored position

68
Q

Drag circle

A

A circle which shows the ship is dragging

69
Q

Sextant

A

Precision instrument that can measure angles in degrees,minutes,seconds of celestial bodies

70
Q

Bearing circle

A

Used to obtain bearing of another vessel or object

71
Q

Telescopic Alidade

A

Used to obtain bearings of objects to determine ships position

72
Q

Chart

A

Shows the ocean areas and shorelines used to navigate the open waters

73
Q

Gyrocompass

A

Compass used to indicate true north

74
Q

Magnetic compass

A

Compass used to indicate magnetic north

75
Q

Radar

A

Used for situational awareness by displaying contacts and land masses

76
Q

Fathometer

A

Determines depth of water

77
Q

SATNAV

A

Satellite navigation

78
Q

GPS

A

Global Positioning System

79
Q

Laser Range Finder

A

Equipment that determines the range to a target through laser reflection

80
Q

Navigational light underway

A

port/STBD running lights,mast light, and stern light

81
Q

Navigational lights in port-moored

A

Aircraft warning lights and anchor lights

82
Q

Navigational light not under command

A

Two vertical red lights

83
Q

Navigational lights anchored

A

Aircraft warning lights,all around white light FWD and AFT, deck lights

ESWS (10 decks)

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