NAVIGATION
問題一覧
1
The art or science of determining the ship’s or aircraft’s position and of
conducting a ship or aircraft from one position to another. The problems of navigation are
those of position, direction and distance
Navigation
2
a method of navigation by which the position of the ship is
calculated from the direction and rate of progress through the water from the latest well-
determined position.
Dead Reckoning (DR)
3
near-shore navigation method by which the movement of a ship is directed
by reference to landmarks, navigational aids or soundings.
Piloting
4
a method of navigation which employs the use of various
electronic devices. It differs from piloting primarily in the manner of collecting information.
Electronic Navigation
5
the position of the ship is determined by the observation of
celestial bodies such as the sun, moon, planets and stars.
Celestial Navigation
6
the planet with which we are most familiar, although it is approximately an
ablate spheroid, for navigational purposes, it is assumed to be a true sphere.
Earth
7
6,864.57 nautical miles;
Polar Diameter
8
6,887.91 nautical miles or a
Equatorial Diameter
9
23.34 nautical miles
Difference
10
the diameter about which the earth rotates. The north end is the north pole while
the south end is the south pole.
Axis
11
a circle on the surface of the earth, the plane of which passes through the
center of the earth.
Great Circles
12
a circle on the surface of the earth, the pale of which does not pass
through the center of the earth.
Small Circle
13
the great circle which is equidistant to the poles. The plane is perpendicular
to the surface of the earth’s axis.
Equator
14
small circle on the surface of the earth having planes parallel to the plane of
the equator and perpendicular to the earth’s axis.
Parallel
15
great circle on the surface of the earth that passes through the poles.
Meridians
16
meridians used as the origin of measurement of longitude, the
meridian of Greenwich England.
Prime Meridians
17
the angular distance between the position and the equator measured
northward or southward from the equator along a meridian and labeled as appropriate N or S.
Latitude
18
the angular distance between the position and the prime meridian
measured either eastward or westward from the prime meridian along the area of the equator
to the meridian of the position in degrees from 0 – 180 deg and labeled E or W.
Longitude
19
angular inclination of that line to the meridian measured right or counter
clockwise from the north point of the meridian and expressed in three digits.
Direction
20
as applied to marine navigation, is the intended direction of travel of a ship
through the water
Course
21
the direction in which the ship point or heads at a given time.
Heading
22
the direction of a terrestrial object from the observer; azimuth as applied to
the celestial bodies.
Bearing
23
the length of a line joining two places on the surface of earth and is
expressed in nautical miles. The shortest distance between two points on the surface of the
earth is along the great circle joining them.
Distance
24
the velocity of travel and is expressed in knots. One (1) knot is equal to
6,080.2 feet per hour. One (1) minute of angular measurement in great circle for navigation
purpose, is also equals to 2,000 yards.
Speed
25
any device external to a vessel or aircraft intended to assist a navigator
to determine his position or safe course or to warn him from danger or obstruction to
navigation.
Aids to navigation
26
the primary functions is to warn of some danger or to delineate channels.
Buoys
27
built up of steel plates having the shape of a tin cylinder used to mark left side
of the channel from seaward.
Can Buoy
28
built up of steel plates, the above water portion having the shape of
truncated cone, cone in shape used to mark right side of the channel from seaward.
Nun Buoy
29
steel floats with a flat top on which a framework containing a bell is
mounted. Most bell buoys are sounded by the motion of the sea and struck by compressed
gases or electrically operated hammer.
Bell Buoy
30
slightly tapering pole or spar frequently used to mark side of channel.
May replace the nun or can buoys.
Spar Buoy
31
similar in construction to bell buoy but has four (4) gongs each of different
tones.
Gong Buoy
32
provides a sound signal which is useful at night and also during fog
and low visibility; cone in shape with a whistle, sounded by the motion of the sea.
Whistle Buoy
33
having batteries or gas tanks. Framework supports the light. A metal
float on which is mounted a short skeleton tower.
Lighted Buoy
34
lights and sound signals are combined, such as lighted bell buoys,
lighted gong buoys and a lighted whistle buoy.
Combination Buoy
35
radar reflectors which return a strong echo to the radar screen
are fitted on many buoys of all types.
Radar Reflected Buoy
36
it is a man made permanent fixture having a light of certain
characteristics and is usually watched.
Lighthouses
37
such as
Floating lighthouses that mark approaches or entrances to harbors.
b. Used when building a permanent structure is impractical.
Lightships
38
similar to lighthouses and generally unwatched.
Lighted Beacons
39
lighted floating marker.
Lighted Buoy
40
continuous steady light.
Fixed light (F)
41
shows single flash at regular interval, the duration of light always
shorter than the duration of darkness not more than 30 flashes per minute.
Flashing Light
42
shows groups of two or more flashes at regular intervals.
Group Flashing (GP FL)
43
shows not less than 60 flashes per minute.
Quick flashing (QK FL)
44
shows quick flashes for about 4 seconds
followed by a dark period of about 4 seconds.
Interrupted Quick Flashing (I QK FL)
45
shows short flashes of about 0.4 second followed
by a long flash of about 4 seconds in duration.
Short Long Flashing (S L FL)
46
a light with a group of 2 or more eclipse.
Group Occulting (GP OCC)
47
Standard Colors of Lights
White, Red, and Green
48
range of visibility
Brilliancy
49
depends on the
tendency of a
pendulous gyroscope
to seek to along its axis
with that of the earth.
Magnetic compass
50
located at various
positions throughout
the ship to indicate the
master gyro heading.
Gyro compass repeaters
51
a non-magnetic ring
formed to feet snugly
over the compass bowl
about which it can be
turned to any desired
direction. used to
determined bearings of
terrestrial objects.
Bearing circle
52
similar to the bearing
circle with a special
attachment for
observing the sun. used
to determine bearings
of celestial bodies.
Azimuth circle
53
consists of a compass
stand, compass bowls
and compass card.
used also in
determining bearing.
Pelorous (dumb compass)
54
an azimuth circle
having a telescopic
sight mounted over it.
Alidade
55
used to find range
of objects of known
height or height of
objects of known
distance.
Stadimeter
56
weight attached to
a marked line from
7 to 14 lbs.
Hand lead
57
from 30 to 100 lbs.
Deep sea lead
58
works under water
pressure.
Sounding machine
59
works under
speed of sound.
Echo sounder (fathometer)
60
receives signals and weather information.
Radio Receiver
61
receiver and a loop antenna which has
directional properties.
Radio direction Finder (RDF)
62
used for obtaining bearings and ranges
of objects in all conditions of visibility.
Radar (Radio Direction and Ranging)
63
measures the difference in the time reception
of two synchronized radio signals which is used to determine a hyperbolic line of position.
Loran (long Range navigation)
64
uses speed of sound under water. It gives bearing
and distance of objects underwater.
Sonar (Sonic Ranging)
65
measuring angular heights of celestial bodies and measuring angles
between two visible objects.
Sextant
66
accurate clock of superior construction for maintaining accurate
time aboardship.
Chronometer
67
ordinary clock set to keep standard or zone time.
Ship’s Clock
68
used for timing celestial observation.
Comparing Watch
69
useful in piloting for identification of lights and in celestial
observation.
Stop Watch
70
provides the navigator with positions of the celestial
bodies relative to the position of the observer.
Star Finder (H02102-D)
71
soft lead pencil with eraser.
Pencils
72
contains drawing compass dividers, screwdrivers etc.
Navigator Case
73
for drawing a straight line in plotting direction.
Parallel Ruler
74
measuring directions.
Drafting Machine
75
for measuring angles.
Protractor
76
for transferring lines from compass rose to any place on the chart
or vice versa
Triangles
77
atmospheric
pressure
(Mercurial or
Anenoid)
Barometer
78
determines
temperature.
Thermometer
79
measure
relative
humidity.
Psychrometer
80
measure wind
direction and
wind speed.
Anemometer
81
a pictorial representation of the earth surface or part of it with provision for
determining position, distance and direction and information of interest to the navigator. This
shows usually coastal areas of water and gives a great deal of hydrographic information which
is useful to the navigator.
Chart
82
for most part shows land areas including their political subdivision and
topography.
Map
83
methods of representing the curved surface of the earth on a flat
surface.
Chart Projection
84
system of lines that indicates extent of fairways and restricted
waters
Fathom Lines
85
(depth of water) numbers scattered on water areas of the charts.
Sounding can be either in feet or fathoms and can be determined from the title of the charts.
Soundings
86
indicated on the charts
by a red color or star. Characteristics and features near the symbols.
Light (Lighthouse, Lighted Beacons, Lighted Buoys )
87
opal or red colors other than black solid shape for black vertical stripes
and horizontal stripes, lighted red/gray.
Buoys
88
used to measure directions. Outer indicates true direction,
the inner indicates magnetic directions and it also gives variation to locality.
Compass Rose
89
rows of fine dots.
Sandy Beach
90
Small circles
Gravel
91
irregular shapes
Boulders
92
numbers in feet above high water
Heights
93
a compass that measures the direction by means of the principles of
gyroscopic inertia and precision.
Gyrocompass
94
a compass on its directive force upon the attraction of the
magnetic poles of the earth
Magnetic Compass
95
may also be treated as a compass due to its parts. The compass
card is driven through synchro system which receives an electrical input from the Master Gyro.
Gyro Repeaters
96
direction of terrestrial object from observer, azimuth as applied to a celestial
body.
Bearing
97
position obtained from lines of position taken at the same time or the
intersection of two (2) or more lines of position taken simultaneously.
Fixes
98
a line on some point of which the ship is located. This
is established by the following means:
LOP (Line of Position)
99
if two objects appear to be in line as seen from the ship, the ship must
be along this line.
By Ranges
100
if the direction of the known object is sighted from the ship, it must
be along this line.
By Bearing
KNOTS, BENDS AND HITCHES
KNOTS, BENDS AND HITCHES
Lorraine Guevarra · 38問 · 1年前KNOTS, BENDS AND HITCHES
KNOTS, BENDS AND HITCHES
38問 • 1年前MARLINESPIKE’S SEAMANSHIP
MARLINESPIKE’S SEAMANSHIP
Lorraine Guevarra · 30問 · 1年前MARLINESPIKE’S SEAMANSHIP
MARLINESPIKE’S SEAMANSHIP
30問 • 1年前DAMAGE CONTROL
DAMAGE CONTROL
Lorraine Guevarra · 9問 · 1年前DAMAGE CONTROL
DAMAGE CONTROL
9問 • 1年前DAMAGE CONTROL ORGANIZATION
DAMAGE CONTROL ORGANIZATION
Lorraine Guevarra · 9問 · 1年前DAMAGE CONTROL ORGANIZATION
DAMAGE CONTROL ORGANIZATION
9問 • 1年前SEMAPHORE
SEMAPHORE
Lorraine Guevarra · 30問 · 1年前SEMAPHORE
SEMAPHORE
30問 • 1年前FLAGHOIST SIGNALLING
FLAGHOIST SIGNALLING
Lorraine Guevarra · 19問 · 1年前FLAGHOIST SIGNALLING
FLAGHOIST SIGNALLING
19問 • 1年前FLASHING LIGHTS
FLASHING LIGHTS
Lorraine Guevarra · 38問 · 1年前FLASHING LIGHTS
FLASHING LIGHTS
38問 • 1年前問題一覧
1
The art or science of determining the ship’s or aircraft’s position and of
conducting a ship or aircraft from one position to another. The problems of navigation are
those of position, direction and distance
Navigation
2
a method of navigation by which the position of the ship is
calculated from the direction and rate of progress through the water from the latest well-
determined position.
Dead Reckoning (DR)
3
near-shore navigation method by which the movement of a ship is directed
by reference to landmarks, navigational aids or soundings.
Piloting
4
a method of navigation which employs the use of various
electronic devices. It differs from piloting primarily in the manner of collecting information.
Electronic Navigation
5
the position of the ship is determined by the observation of
celestial bodies such as the sun, moon, planets and stars.
Celestial Navigation
6
the planet with which we are most familiar, although it is approximately an
ablate spheroid, for navigational purposes, it is assumed to be a true sphere.
Earth
7
6,864.57 nautical miles;
Polar Diameter
8
6,887.91 nautical miles or a
Equatorial Diameter
9
23.34 nautical miles
Difference
10
the diameter about which the earth rotates. The north end is the north pole while
the south end is the south pole.
Axis
11
a circle on the surface of the earth, the plane of which passes through the
center of the earth.
Great Circles
12
a circle on the surface of the earth, the pale of which does not pass
through the center of the earth.
Small Circle
13
the great circle which is equidistant to the poles. The plane is perpendicular
to the surface of the earth’s axis.
Equator
14
small circle on the surface of the earth having planes parallel to the plane of
the equator and perpendicular to the earth’s axis.
Parallel
15
great circle on the surface of the earth that passes through the poles.
Meridians
16
meridians used as the origin of measurement of longitude, the
meridian of Greenwich England.
Prime Meridians
17
the angular distance between the position and the equator measured
northward or southward from the equator along a meridian and labeled as appropriate N or S.
Latitude
18
the angular distance between the position and the prime meridian
measured either eastward or westward from the prime meridian along the area of the equator
to the meridian of the position in degrees from 0 – 180 deg and labeled E or W.
Longitude
19
angular inclination of that line to the meridian measured right or counter
clockwise from the north point of the meridian and expressed in three digits.
Direction
20
as applied to marine navigation, is the intended direction of travel of a ship
through the water
Course
21
the direction in which the ship point or heads at a given time.
Heading
22
the direction of a terrestrial object from the observer; azimuth as applied to
the celestial bodies.
Bearing
23
the length of a line joining two places on the surface of earth and is
expressed in nautical miles. The shortest distance between two points on the surface of the
earth is along the great circle joining them.
Distance
24
the velocity of travel and is expressed in knots. One (1) knot is equal to
6,080.2 feet per hour. One (1) minute of angular measurement in great circle for navigation
purpose, is also equals to 2,000 yards.
Speed
25
any device external to a vessel or aircraft intended to assist a navigator
to determine his position or safe course or to warn him from danger or obstruction to
navigation.
Aids to navigation
26
the primary functions is to warn of some danger or to delineate channels.
Buoys
27
built up of steel plates having the shape of a tin cylinder used to mark left side
of the channel from seaward.
Can Buoy
28
built up of steel plates, the above water portion having the shape of
truncated cone, cone in shape used to mark right side of the channel from seaward.
Nun Buoy
29
steel floats with a flat top on which a framework containing a bell is
mounted. Most bell buoys are sounded by the motion of the sea and struck by compressed
gases or electrically operated hammer.
Bell Buoy
30
slightly tapering pole or spar frequently used to mark side of channel.
May replace the nun or can buoys.
Spar Buoy
31
similar in construction to bell buoy but has four (4) gongs each of different
tones.
Gong Buoy
32
provides a sound signal which is useful at night and also during fog
and low visibility; cone in shape with a whistle, sounded by the motion of the sea.
Whistle Buoy
33
having batteries or gas tanks. Framework supports the light. A metal
float on which is mounted a short skeleton tower.
Lighted Buoy
34
lights and sound signals are combined, such as lighted bell buoys,
lighted gong buoys and a lighted whistle buoy.
Combination Buoy
35
radar reflectors which return a strong echo to the radar screen
are fitted on many buoys of all types.
Radar Reflected Buoy
36
it is a man made permanent fixture having a light of certain
characteristics and is usually watched.
Lighthouses
37
such as
Floating lighthouses that mark approaches or entrances to harbors.
b. Used when building a permanent structure is impractical.
Lightships
38
similar to lighthouses and generally unwatched.
Lighted Beacons
39
lighted floating marker.
Lighted Buoy
40
continuous steady light.
Fixed light (F)
41
shows single flash at regular interval, the duration of light always
shorter than the duration of darkness not more than 30 flashes per minute.
Flashing Light
42
shows groups of two or more flashes at regular intervals.
Group Flashing (GP FL)
43
shows not less than 60 flashes per minute.
Quick flashing (QK FL)
44
shows quick flashes for about 4 seconds
followed by a dark period of about 4 seconds.
Interrupted Quick Flashing (I QK FL)
45
shows short flashes of about 0.4 second followed
by a long flash of about 4 seconds in duration.
Short Long Flashing (S L FL)
46
a light with a group of 2 or more eclipse.
Group Occulting (GP OCC)
47
Standard Colors of Lights
White, Red, and Green
48
range of visibility
Brilliancy
49
depends on the
tendency of a
pendulous gyroscope
to seek to along its axis
with that of the earth.
Magnetic compass
50
located at various
positions throughout
the ship to indicate the
master gyro heading.
Gyro compass repeaters
51
a non-magnetic ring
formed to feet snugly
over the compass bowl
about which it can be
turned to any desired
direction. used to
determined bearings of
terrestrial objects.
Bearing circle
52
similar to the bearing
circle with a special
attachment for
observing the sun. used
to determine bearings
of celestial bodies.
Azimuth circle
53
consists of a compass
stand, compass bowls
and compass card.
used also in
determining bearing.
Pelorous (dumb compass)
54
an azimuth circle
having a telescopic
sight mounted over it.
Alidade
55
used to find range
of objects of known
height or height of
objects of known
distance.
Stadimeter
56
weight attached to
a marked line from
7 to 14 lbs.
Hand lead
57
from 30 to 100 lbs.
Deep sea lead
58
works under water
pressure.
Sounding machine
59
works under
speed of sound.
Echo sounder (fathometer)
60
receives signals and weather information.
Radio Receiver
61
receiver and a loop antenna which has
directional properties.
Radio direction Finder (RDF)
62
used for obtaining bearings and ranges
of objects in all conditions of visibility.
Radar (Radio Direction and Ranging)
63
measures the difference in the time reception
of two synchronized radio signals which is used to determine a hyperbolic line of position.
Loran (long Range navigation)
64
uses speed of sound under water. It gives bearing
and distance of objects underwater.
Sonar (Sonic Ranging)
65
measuring angular heights of celestial bodies and measuring angles
between two visible objects.
Sextant
66
accurate clock of superior construction for maintaining accurate
time aboardship.
Chronometer
67
ordinary clock set to keep standard or zone time.
Ship’s Clock
68
used for timing celestial observation.
Comparing Watch
69
useful in piloting for identification of lights and in celestial
observation.
Stop Watch
70
provides the navigator with positions of the celestial
bodies relative to the position of the observer.
Star Finder (H02102-D)
71
soft lead pencil with eraser.
Pencils
72
contains drawing compass dividers, screwdrivers etc.
Navigator Case
73
for drawing a straight line in plotting direction.
Parallel Ruler
74
measuring directions.
Drafting Machine
75
for measuring angles.
Protractor
76
for transferring lines from compass rose to any place on the chart
or vice versa
Triangles
77
atmospheric
pressure
(Mercurial or
Anenoid)
Barometer
78
determines
temperature.
Thermometer
79
measure
relative
humidity.
Psychrometer
80
measure wind
direction and
wind speed.
Anemometer
81
a pictorial representation of the earth surface or part of it with provision for
determining position, distance and direction and information of interest to the navigator. This
shows usually coastal areas of water and gives a great deal of hydrographic information which
is useful to the navigator.
Chart
82
for most part shows land areas including their political subdivision and
topography.
Map
83
methods of representing the curved surface of the earth on a flat
surface.
Chart Projection
84
system of lines that indicates extent of fairways and restricted
waters
Fathom Lines
85
(depth of water) numbers scattered on water areas of the charts.
Sounding can be either in feet or fathoms and can be determined from the title of the charts.
Soundings
86
indicated on the charts
by a red color or star. Characteristics and features near the symbols.
Light (Lighthouse, Lighted Beacons, Lighted Buoys )
87
opal or red colors other than black solid shape for black vertical stripes
and horizontal stripes, lighted red/gray.
Buoys
88
used to measure directions. Outer indicates true direction,
the inner indicates magnetic directions and it also gives variation to locality.
Compass Rose
89
rows of fine dots.
Sandy Beach
90
Small circles
Gravel
91
irregular shapes
Boulders
92
numbers in feet above high water
Heights
93
a compass that measures the direction by means of the principles of
gyroscopic inertia and precision.
Gyrocompass
94
a compass on its directive force upon the attraction of the
magnetic poles of the earth
Magnetic Compass
95
may also be treated as a compass due to its parts. The compass
card is driven through synchro system which receives an electrical input from the Master Gyro.
Gyro Repeaters
96
direction of terrestrial object from observer, azimuth as applied to a celestial
body.
Bearing
97
position obtained from lines of position taken at the same time or the
intersection of two (2) or more lines of position taken simultaneously.
Fixes
98
a line on some point of which the ship is located. This
is established by the following means:
LOP (Line of Position)
99
if two objects appear to be in line as seen from the ship, the ship must
be along this line.
By Ranges
100
if the direction of the known object is sighted from the ship, it must
be along this line.
By Bearing