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Second Semester (BSMT) > TERNAV WEEK 1 > Flashcards

TERNAV WEEK 1 Flashcards

1
Q

Is a process of directing the movements of a craft expeditiously and safely from, one point to another

A

navigation

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2
Q

The word navigate is from the Latin

A

navigatus

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3
Q

Latin navigatus, the past participle of the verb

A

navigere

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4
Q

navigere, which is derived from the words

A

navis

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5
Q

navis, meaning

A

“ship”

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6
Q

agere, meaning

A

“to move “or “to direct”.

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7
Q

“to move “or “to direct”.

A

agere

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8
Q
A
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9
Q

ship

A

navis

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10
Q

KINDS OF NAVIGATION

A

marine, air, land navigation

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11
Q

marine navigation

A

surface and underwater navigation

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12
Q

vessel of the surface of the water

A

Surface navigation-

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13
Q

submerged vessel

A

Underwater navigation

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14
Q

is the determination of position by advancing a known position for courses and distances.

A

DEAD RECKONING-

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15
Q

position so determined is called a

A

dead reckoning position

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16
Q

determination of position by use of the course and speed expected to be made good over the ground, making an estimated allowance for disturbing elements such as current and wind, a position so called

A

estimated position/deduced reckoning

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17
Q

is navigation involving frequent and continuous determination of position or a line ofPosition relative to geographic points, and usually requiring need for close attention to the vessel’s draft with respect to the depth of water

A

PILOTING (OR PILOTAGE)-

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18
Q

practiced in the vicinity of land, dangers, etc.

A

PILOTING (OR PILOTAGE)-

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19
Q

is a navigation using radio waves for determination of position or of line of position.

A

RADIO NAVIGATION-

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20
Q

involves the use of radio waves. usually in the centimeter band.

A

Radar Navigation-

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21
Q

involves the use of artificial earth satellites for determination of position

A

Satellite Navigation-

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22
Q

is a computerized additional feature to the Radar.

A

RADAR ARPA (Automatic Radar Plotting Aid)

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23
Q

takes feed of the own ships course and speed, and target’s course and speed, and calculates the collision avoidance data and simplifies the need for the users to calculate the data themselves.

A

ARPA

24
Q

A _ is any object that orbits something else, as, for example, the Earth orbits the sun

A

satellite

25
Q

They are used for diverse purposes such as weather forecasting, television signal, amateur radio and internet communications and the Global Positioning System

A

satellite

26
Q

for steering

A

gyrocompass

26
Q

when piloting

A

echo sounder

27
Q

is used to refer to navigation involving the use of electronics in any way.

A

ELECTRONIC NAVIGATION-

28
Q

Electronics- is the science and technology relating to the emission, flow, and effects of electronics in a vacuum or through a semiconductor, and to systems using devices in which this action takes place.

A

Electronics-

29
Q

that part of a remote-indicating compass system which repeats at a distance the indications of the master compass.

A

Compass repeater

30
Q

that part of a remote-indicating compass system which repeats at a distance the indications of the master compass

A

Starboard side and Port side Compass repeater-

31
Q

is a primary means of navigation as a direction indicating device, of a ship

A

Magnetic compass

31
Q

. It is fitted above the bridge on the monkey Island at the centre line of the ship. When reading output is needed to other bridge equipment, then a transmitting magnetic compass is fitted.

A

Magnetic compass

31
Q

sends sound wave pulses from a transducer that’s usually located on the bottom of a ship/boat’s hull. These pulses travel through the water, hit submerged objects (the ocean floor, wrecks, large schools of fish),bounce off these things, and return upwards to the transducer.

A

Echo sounder

32
Q

navigation using information obtained from celestial bodies.

A

CELESTIAL NAVIGATION*

33
Q

is a comprehensive, berth to berth guide, developed and used by a vessel’s bridge team to determine the most favorable route, to identify potential problems or hazards along the route, and to adopt bridge management practices to ensure the vessel’s safe passage

A

passage plan

34
Q

Four Elements to a Passage Plan

A
  • Appraisal* Planning* Execution* Monitoring
35
Q

Denotes gather as much safety and navigation information to giveyou a safe voyage. Before planning can commence, the charts, publications and other information appropriate for the voyage will need to be gathered together and studied.

A

Appraisal

36
Q

Its most portion comprises of a diagrammatic representation of limits of navigational charts in various regions and in addition to this the BA chart number, title of charts, date of the publication date of hew edition & natural scale for all the charts are shown in the geographical region

A

Chart catalogue

37
Q

supports the planning of deep-sea voyages on most major routes, with details of weather, currents, ice hazards and distances between major ports

A

Ocean Passages for the World (NP136)

38
Q

include routes and distances between major ports, ocean currents, ice limits, load lines and wind roses. They also contain expected meteorological and oceanographic conditions for each month of the year

A

Routeing Charts

39
Q

are written directions that describe the routes to be taken by boats and ships during coastal navigation and port approaches.

A

Sailing Directions

40
Q

series gives listings of all lighthouses, lightships, lit floating marks (over 8m in height), fog signals and lights of navigational significance.Each publication lists the characteristics oflights and fog signals, together with the equivalent foreign language light

A

Admiralty List of Lights and Fog Signals

41
Q

The main function of the tables is to give daily predictions of the times and heights of high and low waters at about 240 Standard Ports ,and further information in the form of time and height difference from the standard ports for about 6500 Secondary Ports.

A

TIDE TABLES-

42
Q

include detailed tidal stream direction and strength information for key locations in North West Europe enabling accurate calculation of tidal stream rates for a particular port when planning a voyage.

A

Tidal Stream Atlases

43
Q

contain all the corrections, alterations and amendments for the UKHO’s worldwide series of Admiralty Charts and Publications.They are published weekly in several formats but best known as the weekly booklets, which are dispatched directly from the UKHO

A

Admiralty Notice to Mariners’

44
Q

Any system of one or more routes or routeing measures aimed at reducing the risk of casualties; it includes traffic separation schemes, two-way routes, recommended tracks, areas to be avoided, inshore traffic zones, roundabouts, precautionary areas and deep water routes

A

Routeing system.

45
Q

is a special marking positioned amidships which depicts the draft of the vessel and the maximum permitted limit in distinct types of waters to which the ship can be loaded

A

Load line

46
Q

Transit Time, Port to port distances, Setup Vessel Speed inNautical Miles, Custom Map Points, Date of Departure and Arrival.

A

Sea Distance table,

47
Q

is any sort of marker that guides to mark safe waters and also help mariners in determining their position with respect to land or any navigational hazard or hidden danger. Traditionally aids to navigation have been physical aids such as lighthouses, buoys and beacons

A

A navigational aid or AtoN or navaid

48
Q

Only official nautical charts should be used* An ocean passage requires less planning of courses etc.* Navigation in coastal waters requires concentrated preparations

A

Planning*

49
Q

The master should find out how long his intended voyage should take, making sure he has enough water and fuel for the voyage
He should take into account any weather conditions expected on the voyage

A

Execution

50
Q

This is the act of checking your position often on a chart and that you remain in a safe distance from any danger areas (land)
Parallel Indexing should be used when you are alongside any hazards to maintain a safe distance.

A

monitoring

51
Q

is a specialised map used by the navigator. it is depicted all the necessary information which the navigator requires in order to safely navigate the ship..

A

chart

52
Q

the earth is an approximately an

A

oblate spheroid

53
Q

the line of intersection of a sphere and a plane through the center of the sphere

A

great circle

54
Q
A

Second Semester (BSMT) (11 decks)

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