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ESWS Flashcards > NAVIGATION > Flashcards

NAVIGATION Flashcards

1
Q

What is a sextant?

A

Used for celestial navigation

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2
Q

What is a stadimeter?

A

Gives distance of a object based on its height

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3
Q

What’s a telescopic alidade?

A

Gives bearing of a object

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4
Q

What’s a magnetic compass?

A

Based on magnetic north

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5
Q

What’s a psychrometer?

A

Gets relative humidity/dew point based on wet and dry bulb thermometer

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6
Q

What does barometer do?

A

Atmospheric pressure

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7
Q

What is set and drift?

A

Angle and speed ship is pushed off course

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8
Q

What is advance?

A

Distance gained forward from time you mark your turn til you’re on new course

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9
Q

What is transfer?

A

Distance gained left or right of track from time you mark your turn until you’re steady on new course

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10
Q

What’s true bearing?

A

Based on true north

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11
Q

What is relative bearing?

A

Based on relation to ship

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12
Q

What’re the underway navigation light?

A

Port
Starboard
FWD/ Mast Headlight
Stern Light

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13
Q

What color is Port light?

A

Red

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14
Q

What color is starboard light?

A

Green

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15
Q

What color is FWD/AFT Mast headlight?

A

White

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16
Q

What color is stern light?

A

White

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17
Q

What’s the telltale panel used for?

A

Normal underway lights. Has 2 filaments RED and AMBER. When 1 goes out it turns Amber but when both go out it turns Red and has a alarm

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18
Q

What’s the lights for MOB?

A

Flashing red. Flashes by cranking it manually

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19
Q

What lights are used for Restricted Ability to Maneuver?

A

Red
White
Red

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20
Q

What day shapes are used for Restricted Ability to Maneuver?

A

Ball
Diamond
Ball

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21
Q

What lights are for Not Under Command?

A

Red

Red

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22
Q

What day shapes are for Not Under Command?

A

Ball

Ball

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23
Q

What lights are for anchor?

A

All around white light

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24
Q

What’s the day shape for anchor?

A

1 Ball

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25
Q

What lights are for Constrained by Draft?

A

Red
Red
Red

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26
Q

What day shapes are used for Constrained by Draft?

A

1 Cylinder

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27
Q

What is swing?

A

Length of shots paid out plus length of ship

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28
Q

What is drag?

A

Length of shots paid out plus distance from hawsepipe to Polaris

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29
Q

What is latitude?

A

Measured north and south of equator

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30
Q

What is longitude?

A

Measured east and west from Prime Meridian

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31
Q

What is GMT?

A

Zulu time

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32
Q

What does GMT stand for?

A

Greenwich Mean Time

33
Q

Where is GMT?

A

Greenwich, England

Prime Meriden

34
Q

How many times zones are there?

A

25

35
Q

What is variation?

A

Difference between true north and magnetic north

36
Q

What’s the difference between IALA A and B?

A

A- red right leaving

B- red right returning

37
Q

Where is IALA B used?

A

Americas and Philippines

38
Q

Where is IALA A used?

A

Rest of the world

39
Q

What are cardinal buoys?

A

Point direction to safe water

40
Q

What does north look like?

A

2 triangles facing up

41
Q

What does east look like?

A

2 triangles facing away from eachother

42
Q

What does south look like?

A

2 triangles facing down

43
Q

What does west look like?

A

2 triangles pointing towards eachother

44
Q

What’re the different ways to get ship’s position?

A

Visual
Radar
Electronic
Celestial

45
Q

What does OOD do?

A

Overall in charge of ship when CO isn’t in the bridge

46
Q

What does CONN do?

A

Gives orders to helm

47
Q

What does BMOW do?

A

Passes words and lookout rotation

48
Q

What does QMOW do?

A

Represents Nav when he’s not on the bridge. Responsible for safe navigation

49
Q

What does HELM do?

A

Steers ship

50
Q

What does LEE HELM do?

A

Controls ship’s speed

51
Q

What does VMS stand for?

A

Voyage Management System

52
Q

How many VMS modes are there?

A

4

53
Q

What are the 4 modes of VMS?

A

NAV1
NAV2
NAV3
CONN2

54
Q

Where is NAV1?

A

Bridge

55
Q

Where is NAV2?

A

Chart room

56
Q

Where is NAV3?

A

Combat

57
Q

Where is CONN2?

A

Bridge

58
Q

What is CONN1?

A

BME

59
Q

What’s BRAVO for?

A

Fuel and Ordinance

60
Q

What is HOTEL for?

A

Helo operations

61
Q

What’s CODE ALPHA for?

A

Divers

62
Q

What’s INDIA for?

A

Alongside

63
Q

What’s GOLF for?

A

Guide ship

64
Q

What’s KILO for?

A

Personnel aloft or over the side

65
Q

What’s LIMA for?

A

HERO

66
Q

What’s OSCAR for?

A

Man overboard

67
Q

What’s PAPA for?

A

Personnel Recall

68
Q

What’s QUEBEC for?

A

Boat recall

69
Q

What’s ROMEO for?

A

Replenishing or Transferring

70
Q

What’s UNIFORM for?

A

Anchoring/Mooring

71
Q

What’s PREP for?

A

Colors

72
Q

What’s 1st Sub for?

A

Absence of official for 72hrs or less

73
Q

Where is 1st Sub flown?

A

Outboard STBD yardarm

74
Q

What is 2nd Sub for?

A

Absence of chief of staff

75
Q

Where is 2nd Sub flown?

A

Inboard PRT yardarm

76
Q

What is 3rd Sub flown for?

A

Absence of CO

77
Q

Where is 3rd Sub flown?

A

Outboard PRT yardarm

78
Q

What is 4th Sub for?

A

Absence of civilian official

79
Q

Where is 4th Sub flown?

A

Inboard STBD yardarm

ESWS Flashcards (15 decks)

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