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ESWS > Navigation > Flashcards

Navigation Flashcards

1
Q

State the duties of the OOD

A

Direct representative of the CO

Responsible for safe navigation of the ship

Overall in charge of the pilothouse

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2
Q

State the duties of the Conning Officer

A

Directs orders to the Helmsman

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3
Q

State the duties of the Boatswain’s Mate of the Watch

A

In charge of all lookouts and the helm

Passes word and the POD over the 1MC

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4
Q

State the duties of the Helmsman and Lee Helmsman

A

Helmsman: steers

Lee Helmsman: speed

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5
Q

Where are the lookouts stationed?

A

Port and starboard pilothouse and aft flight deck

**Low visibility detail: 2 forward on the fo’c’sle, 1 added aft

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6
Q

State the duties of the Quartermaster of the Watch

A

Responsible for safe navigation of the ship

Direct representative of the Navigation Officer

Builds navigation plans

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7
Q

What is set and drift?

A

Set: direction the ship is going

Drift: speed the ship is going

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8
Q

What is Zulu time?

A

GMT/Coordinated Universal Standard Time

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9
Q

What is variation and deviation?

A

Variation is the difference between true and magnetic north

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10
Q

What is IALA?

A

International Association of Lighthouse Authorities

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11
Q

What are the different methods of attaining the ship’s position?

A

GPS 1, GPS 2, INS 1, INS 2, DAGR, Celestial

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12
Q

What are range/channel markings?

A

“Traffic lights” that keep the ship in the correct “lane” when traversing to/from port

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13
Q

What is advance/transfer?

A

Advance: how far forward you travel before final course

Transfer: how far left or right you travel before final course

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14
Q

What are the types of turning circles?

A

Final diameter is the completion of a 360 degree turn. Tactical diameter is the completion of a 180 degree turn.

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15
Q

What are the underway navigation lights?

A

2 white mast lights, one fwd, one on the mast.

Stern light, white light

Port running light, red light

For flight quarters we will secure the stern white light and illuminate the blue stern light

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16
Q

What are the in port moored lights?

A

All deck lights illuminated, forward jack staff white light, aft jack staff white light, aircraft warning light.

(Same for anchored)

(Aground add 2 all around red lights)

17
Q

What are the engaged in special operations lights?

A

Also known as restricted in ability to maneuver or task lights. There are 6 task lights, three on each side of the mast. Top light is red, middle light is white, and bottom light is red.

We can use the barrel switch to change the configuration to top red, middle off, and bottom red to indicate not under command. In addition, we can make the red over red indicate man over board, two flashing red lights.

18
Q

What day shapes are used for vessel at anchor?

A

One black ball

19
Q

What day shapes are used for vessel not under command?

A

Two black balls

20
Q

What day shapes are used for restricted in ability to maneuver?

A

Ball, diamond, ball

21
Q

What day shapes are used for vessel aground?

A

Three black balls

22
Q

What day shapes are used for constrained by draft?

A

Cylinder

23
Q

What day shapes are used for towing?

A

Diamond

24
Q

Flag used for refueling/ammo handling

A

Bravo

25
Q

Flag used for Senior Officer Present Afloat

A

Designation, Starboard, Papa, Pier #

26
Q

Flag used for personnel recall

A

Papa

27
Q

Flag used for boat recall

A

Quebec

28
Q

Flag used for divers

A

Alpha

29
Q

Flag used for personnel aloft/over the side

A

Kilo

30
Q

Flag used for Hazards of Electromagnetic Radiation to Ordnance

A

Lima

31
Q

Flag used for man overboard

A

Oscar

32
Q

Flag used for anchoring

A

Uniform

33
Q

What is a sound signal for low visibility?

A

One prolonged blast every 2 minutes (making way)

Two prolonged blasts (not making way)

34
Q

What measures atmospheric pressure?

A

Barometer

35
Q

What measures wet and dry bulb temperatures?

A

Psychrometer

36
Q

What are the swing and drag circles?

A

Swing: length of chain plus length of ship

Drag: Length of chain plus hawsepipe to pelorus

37
Q
A

ESWS (12 decks)

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