Navigation Flashcards by van b

What is GMT

Greenwich Mean Time

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What is DR

Dead Reckoning

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What is DIW

Dead In Water

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What is the difference between true bearing and relative bearing

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

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From what and where are the navigation lights operated from

Telltale Panel on the bridge behind the helm

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How many navigation lights are there

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What are the navigation lights called and what are their colors

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

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What are the inport lights

Flag staff, Jack staff, Aircraft warning lights

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What color is it for flight ops

Blue

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Name one thing used during a man overboard

Oscar flag, Search light, Life ring, Smoke float

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

Pelorus stands

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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

Telescopic Alidade

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What is the job of the QMOW

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

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What is the job of the Conning Officer

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

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Day shapes for restricted maneuvering

Ball-Diamond-Ball

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What is IALA

International Association of Lifehouse Authority

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Day shapes for vessel aground

Ball-Ball-Ball

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Day shapes for vessel not in commond

Ball-Ball

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Day shape for vessel at anchor

Ball

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Day shape for vessel constrained by draft

Cylinder

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Lights operated for man overboard

Red on Red flashing

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Lights operated for restricted maneuvering

Red over White over Red

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Lights operated for vessel at anchor

Red

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Lights operated for vessel not under command

Red over Red

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Lights oprerated for vessel aground

Red over Red over Red

What are the flags flown during UNREP

Golf, Romeo, Bravo, Prep

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

Marine Sextant

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

Parallel Motion Protractor (PMP)

How is drag circle calculated

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

How is swing circle calculated

Length of the ship plus the chain let out

What shape is an electronic fix

Triangle

What shape is a visual fix

Circle

What shape is a DR fix

Semi-Circle

What is an emergency breakaway

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

What type of breakaway does our ship do after an UNREP

Accelerated standard breakaway

Why doesn't our ship do an emergency breakaway

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

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

Messenger in hand

What 3 times are the commissioning pennants aren't flown

Precom, Decom and when admiral flag is flying

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

Longitude

What is the auxiliary conning station used for

Alongside operations during unreps and mooring operations

What is GPS

Global Positioning System

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

64+ knots

What is a fathometer

Measures depth of water

What is a clinometer

Measure the list

What is a barometer

Measures the amount of moisture in the air

What is the helm used for

Steering the ship

What is the lee helm used for

Control speed of the ship

Alpha Flag

Divers in the water

Bravo Flag

Fuel/Ammo transfer

Foxtrot Flag

Fix wing and Helo ops

Golf Flag

Guide ship

Hotel Flag

Helo ops

India Flag

Nesting ships

Kilo Flag

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

Lima Flag

Hazardous of Electromagnetic Radiation to Ordinance (HERO)

Papa Flag

Personnel recall

Quebec Flag

Boat reacall

Romeo Flag

Ready to receive a ship alongside

Uniform Flag

Anchoring

Five Flag

Breakdown

Starboard Pennant

Senior Officer Present Afloat

Prep Flag

15 minutes to discharge

1st Substitute Flag

Absence of Flag Officer

2nd Substitute Flag

Absence of Chief of Staff

3rd Substitute Flag

Absence of Commanding Officer

4th Substitute Flag

Absence of Civil Official

How many life boats

252

What word do they pass during abandon ship

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

Responsibility of the helm

Drive the ship

Responsibility of the BMOW

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

Responsibility of the QMOW

Safe navigation of the ship

Responsibility of the OOD

Overall in charge of the bridge

Responsibility of the JOOD

U/I on the bridge

Responsibility of the CONN

Drives the ship

What is set

The direction the current is pushing the ship

What is drift

Speed the current is pushing us

What is CG

Guided missile cruiser

What is DD

Destroyer

What is DDG

Guided missile destroyer

What is FFG

Guided missile frigate

What is AO

Oiler

What is AE

Ammunition Ship

What is LHA

Amphibious assault ship

What is LHD

Amphibious assault ship

What is LPD

Amphibious transport dock

What is SSN

Nuclear attack submarine

What is SSBN

Nuclear ballistic missile submarine

What is a Stadimeter

Measures the distance between two ships or an object

What is Beadwindow

Violations over the air

What is the flag called underway

Steamer

How many GPS satellites do we have

Describe IALA

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

Responsibility of the Lookouts

Report everything they see or hear

What is Advance Transfer

2 points. Where you start and where you end

What are the 3 types of recovery

HELO, RHIB, Shipboard

What are some tools used by the QMOW

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

Oscar Flag

Man Overboard

Navigation Flashcards

(97 cards)