TERNAV WEEK 1

Question 1

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

Answer 1

navigation

Question 2

The word navigate is from the Latin

Answer 2

navigatus

Question 3

Latin navigatus, the past participle of the verb

Answer 3

navigere

Question 4

navigere, which is derived from the words

Answer 4

navis

Question 5

navis, meaning

Answer 5

“ship”

Question 6

agere, meaning

Answer 6

“to move “or “to direct”.

Question 7

“to move “or “to direct”.

Answer 7

agere

Question 9

ship

Answer 9

navis

Question 10

KINDS OF NAVIGATION

Answer 10

marine, air, land navigation

Question 11

marine navigation

Answer 11

surface and underwater navigation

Question 12

vessel of the surface of the water

Answer 12

Surface navigation-

Question 13

submerged vessel

Answer 13

Underwater navigation

Question 14

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

Answer 14

DEAD RECKONING-

Question 15

position so determined is called a

Answer 15

dead reckoning position

Question 16

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

Answer 16

estimated position/deduced reckoning

Question 17

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

Answer 17

PILOTING (OR PILOTAGE)-

Question 18

practiced in the vicinity of land, dangers, etc.

Answer 18

PILOTING (OR PILOTAGE)-

Question 19

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

Answer 19

RADIO NAVIGATION-

Question 20

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

Answer 20

Radar Navigation-

Question 21

involves the use of artificial earth satellites for determination of position

Answer 21

Satellite Navigation-

Question 22

is a computerized additional feature to the Radar.

Answer 22

RADAR ARPA (Automatic Radar Plotting Aid)

Question 23

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.

Answer 23

ARPA

Question 24

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

Answer 24

satellite

Question 25

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

Answer 25

satellite

Question 26

for steering

Answer 26

gyrocompass

Question 26

when piloting

Answer 26

echo sounder

Question 27

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

Answer 27

ELECTRONIC NAVIGATION-

Question 28

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.

Answer 28

Electronics-

Question 29

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

Answer 29

Compass repeater

Question 30

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

Answer 30

Starboard side and Port side Compass repeater-

Question 31

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

Answer 31

Magnetic compass

Question 31

. 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.

Answer 31

Magnetic compass

Question 31

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.

Answer 31

Echo sounder

Question 32

navigation using information obtained from celestial bodies.

Answer 32

CELESTIAL NAVIGATION*

Question 33

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

Answer 33

passage plan

Question 34

Four Elements to a Passage Plan

Answer 34

* Appraisal* Planning* Execution* Monitoring

Question 35

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.

Answer 35

Appraisal

Question 36

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

Answer 36

Chart catalogue

Question 37

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

Answer 37

Ocean Passages for the World (NP136)

Question 38

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

Answer 38

Routeing Charts

Question 39

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

Answer 39

Sailing Directions

Question 40

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

Answer 40

Admiralty List of Lights and Fog Signals

Question 41

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.

Answer 41

TIDE TABLES-

Question 42

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.

Answer 42

Tidal Stream Atlases

Question 43

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

Answer 43

Admiralty Notice to Mariners’

Question 44

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

Answer 44

Routeing system.

Question 45

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

Answer 45

Load line

Question 46

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

Answer 46

Sea Distance table,

Question 47

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

Answer 47

A navigational aid or AtoN or navaid

Question 48

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

Answer 48

Planning*

Question 49

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

Answer 49

Execution

Question 50

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.

Answer 50

monitoring

Question 51

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..

Answer 51

chart

Question 52

the earth is an approximately an

Answer 52

oblate spheroid

Question 53

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

Answer 53

great circle