- collision - allission - Aground

Navigation Flashcards by Scott Sabalboro

(OOD) Officer of the deck

Responsible for everything that happens on ship

How well did you know this?

Not at all

Perfectly

Conning Officer

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

How well did you know this?

Not at all

Perfectly

(BMOW) Boatswains mate of the watch

Responsible for all lookouts and for the helmsman and lee helmsman

How well did you know this?

Not at all

Perfectly

Helmsman

Responsible for steering the ship and making course changes

How well did you know this?

Not at all

Perfectly

Lee helmsman

Responsible for indicating speeds when ordered by the conning Officer

How well did you know this?

Not at all

Perfectly

Lookouts

Responsible for reporting surface and air contacts

How well did you know this?

Not at all

Perfectly

(QMOW)Quarter Master of the watch

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

How well did you know this?

Not at all

Perfectly

Latitude

Is the angular distance from the equator. North and south

How well did you know this?

Not at all

Perfectly

Longitude

Angular distance from the prime meridian. East or west

How well did you know this?

Not at all

Perfectly

Set/drift

Ship is being pushed due to wind and current

How well did you know this?

Not at all

Perfectly

GMT

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

How well did you know this?

Not at all

Perfectly

Time zones

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

How well did you know this?

Not at all

Perfectly

Variation/deviation

Variation- difference between geographic north and magnetic north.

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

How well did you know this?

Not at all

Perfectly

IALA(A/B)

International association of marine aids to navigation and lighthouse authority

How well did you know this?

Not at all

Perfectly

Different methods for attaining ships position

7 methods. 
GPS 1
GPS 2 
DAGR
INS 1
INS 2
FURUNO
AIS

How well did you know this?

Not at all

Perfectly

Celestial

Means using a sextant and celestial body

How well did you know this?

Not at all

Perfectly

Advance/transfer

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

How well did you know this?

Not at all

Perfectly

Acceleration/Deceleration

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

How well did you know this?

Not at all

Perfectly

True bearing means

Bearing based on true north

How well did you know this?

Not at all

Perfectly

Relative bearing means

Bearings in relation to the ship

How well did you know this?

Not at all

Perfectly

DIW means

Dead in the water

How well did you know this?

Not at all

Perfectly

Stand on means

Vessel stays on the same course

How well did you know this?

Not at all

Perfectly

Give way means

Vessel alters it’s course or speed

How well did you know this?

Not at all

Perfectly

Emergency conditions

collision
allission
Aground

How well did you know this?

Not at all

Perfectly

Collision

An act of colliding

Allision

Striking of one ship by another

Aground

Resting or lodged on the bottom of the ocean floor

Binoculars

Magnified glasses used for lookouts

Stadimeter

Measures the distance of an object of known height

Vessel at anchor

One black ball

Vessel not under command

Two black balls

Restricted in ability to maneuver

diamond ball

Vessel aground

Three black balls

Constrained by draft

Cylinder

Towing

Diamond

Refueling/ammunition handling

Bravo flag

Boat recall

Quebec flag

Personnel recall

Papa flag

Divers

Alpha flag

Personnel working afloat

Kilo flag

Senior officer present afloat

STBD pennant

Hazards of electro magnetic radiation to ordnance ( HERO)

Lima flag

Ready to receive a ship alongside

Romeo closed up

Man overboard

Oscar flag

Anchoring

Uniform

Absentee pennants

First substitute Second substitute Third substitute

First substitute

Flag Officer is absent

Second substitute

Chief of staff is absent

Third substitute

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

Low visibility sound signals

- 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

Barometer

Instrument for measuring atmospheric pressure

Psychrometer

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

Communication circuits

- JW circuit uses for bearing taking - JX circuit uses for battle - JL circuit uses for lookouts

Bull horn

Used to make voice louder

Telltale panel

Panel that controls navigational lights

(VMS) voyage management system

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

Gulf

Guide ship

Romeo at the dip

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

Romeo close up

Delivery ship is ready for approach

Romeo hauled down

Messenger in hand

Prep at dip

Receiving ship expects to disengage in 15min.

Prep close up

Replenishment completed

Prep hauled down

All lines clear

Bravo at the dip

Temporary cease pumping fuel or transferring cargo

Bravo close up

Transferring or receiving cargo or fuel

Bravo hauled down

Transferring or receiving cargo or fuel complete

Swing circle

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

Drag circle

A circle which shows the ship is dragging

Sextant

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

Bearing circle

Used to obtain bearing of another vessel or object

Telescopic Alidade

Used to obtain bearings of objects to determine ships position

Chart

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

Gyrocompass

Compass used to indicate true north

Magnetic compass

Compass used to indicate magnetic north

Radar

Used for situational awareness by displaying contacts and land masses

Fathometer

Determines depth of water

SATNAV

Satellite navigation

GPS

Global Positioning System

Laser Range Finder

Equipment that determines the range to a target through laser reflection

Navigational light underway

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

Navigational lights in port-moored

Aircraft warning lights and anchor lights

Navigational light not under command

Two vertical red lights

Navigational lights anchored

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