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WorksheetsTerrestrial and Coastal Navigation II
Total questions: 50
Worksheet time: 2hrs 40mins
“LOP” stands for
Latitude of position.
Longitude of position.
Length of portion.
Line of position.
What is a bearing in navigational terms?
The direction from you to anything else.
The route one takes to arrive at a destination.
A bearing is another way of saying “due north.”
The completing of a 360-degree circle.
What is a “fix” in navigational terms?
The planned arrival destination.
The amount of distance between two waypoints.
The navigational process to define a boat’s position.
The amount of distance between departure and arrival including all tacks and jibes.
What is the correct light sequence for a West Cardinal Buoy?
3 White flashes
6 short +1 long White flashes
12 White flashes
9 White flashes
What does this charted object indicating?
Safe water to the South,
Keep to the Port.
Safe passage to the North.
Isolated Danger.
What scale on the Nautical Chart would you use to measure distance?
longitude
Latitude
LOP
Bearing
What type of buoy is this?
South Cardinal
North Cardinal
Special Buoy
West Cardinal
What is this type of Buoy shown on the chart below?
North cardinal
East cardinal
West cardinal
South cardinal
When taking LOP what consideration should be taken to obtain the most accurate results.
For best results 3 LOP should be taken at about 20 degrees.
For best results 2 LOP should be taken at about 20 degrees.
For best results 3 LOP should be taken at about 120 degrees.
For best results 3 LOP should be taken at about 60 degrees.
Explain with the use of a diagram Set and Drift
Measuring current Direction (“Course”) and Speed (“Drift”)
Measuring current Direction (“Set”) and Distance (“Drift”)
Measuring current Direction (“Course”) and Rate (“Drift”)
Measuring current Direction (“Set”) and bearing (“Drift”)
Wind direction is labelled as
Goes to
Comes from
Away
Moving to
Current direction is labelled as
Comes from
Goes to
Away
Being away
You are underway on course 160'(T) at 10 knots. The current is 210'(T) at 0.9 knots. What is the Course Made Good?
210
111
164
280
The ship navigator's primary task is to
plot a ship's course to a destination on a chart.
know how to read maps and charts.
locate the ship's exact position on the earth, and then guide it safely to its destination.
be fully knowledgeable of the ship's navigation equipment.
When plotting courses for his ship on the navigable waters of the world, the navigator will use a
map.
globe
chart.
hydrographic survey.
The opposite bearing of a given bearing is called a
reciprocal bearing.
true bearing.
relative bearing
magnetic bearing.
A ship was steaming on a course of 170 degrees at 15 knots. A lookout on the starboard wing of the bridge reported a ship contact bearing 090 degrees R. The true bearing of the contact is
080 degrees T.
260 degrees T.
185 degrees T.
105 degrees T.
On a compass card, which set of true bearings for the cardinal points are correct?
N, 090 degrees
E, 180 degrees
S, 270 degrees
W, 000 degrees
N,000 degrees
E, 090 degrees
S, 180 degrees
W, 270 degrees
N, 180 degrees
E, 270 degrees
S, 000 degrees
W, 090 degrees
N, 270 degrees
E, 000 degrees
S, 090 degrees
W, 180 degrees
A buoy that indicates the general direction when approaching harbours, channels and waterway from seaward.
Lateral Buoys
Cardinal Buoys
Safe Water Buoys
Special Buoys
What does 11M means in the light description Fl5s10m11M
Elevation
Range
Period
Phase
What do cardinal marks indicate?
Port or starboard side
Danger
Compass direction of the safest water
Safe water
What type of mark is this?
Safe water mark
Special mark
Isolated danger mark
Lateral mark
Quick or very quick flashing white light indicates what buoy?
North Cardinal
West Cardinal
Isolated Danger
Safe Water
The duration of the light is always less than the duration of the darkness is called?
Isophase
Flashing
Alternating
Occulting
What does the image indicates in Region B
Starboard Hand Buoy
Port Hand Buoy
Special Buoy
North Cardinal Buoy
Which of the following is not a standard buoy shape?
cylindrical
conical
triangular
spherical
Q(9) 15s is the light signal of what buoy?
west cardinal
east cardinal
north cardinal
south cardinal
What buoy does the image indicate?
Emergency Wreck Mark
Special Mark
South Cardinal Mark
Safe Water Mark
Which of these are "Cardinal Directions"?
SE
S
SW
All of the above
Understanding navigation and directions helps you , except....
Stay found
Get lost
Find directions if you get lost.
Know where you are going.
The Resource centre (RC) Building is _______ of the Student Affair building.
N
S
NE
W
The moon rises in the ______ and sets in the ______.
West, East
North, South
East, West
East, North
The bearing or degree reading for _____ is 090.
N
S
E
W
The bearing or degree reading for _____ is 000 / 360.
S
W
E
N
Avoid plotting GPS positions when navigating in
Open sea
Restricted waters
Ocean
Expanse of sea
Radar fixes are best when it is fixed using Radar conspicuous objects such as
Trawlers
Racon
Celestial
Vessel making way
There are many methods by which we can get a fix of the ship’s position, Except
Visual fix
Radar Fix
Echo sounder
Radar mast
The advantage with radar fixes is
Just needs radar operator to obtain the vessel position.
Just needs several objects to get the ship's position.
Just needs one object to get the ship’s position.
keep calm and do nothing.
If you have two objects, you can plot the radar fix by number of combinations of position lines like,except
Bearing of an invisible object and range of other object.
Bearing of one object and range of other object
Range of both objects
Bearings of these two objects
If we have two objects that are visible from the ship, the bearing of these two can get us the
Ship's distance
Ship’s position.
Ship's speed.
Ship's hull
The point where these two bearings (position lines) is
Intervene
Interaction
Intersect
Introvert
When there is only one object visible for visual bearing, we can still get the position. The method is called
Running away
Running fix
Running man
Running free
Chart work or Terrestrial and Coastal navigation is a skill of
Accuracy and fluency
Accuracy and precision
Accuracy and clarity
Accuracy and calibration
The symbol indicates
Traffic Separation Scheme
True North
Direction of Buoyage
True bearing
The symbol indicate
Safe-water Mark
Isolated Danger Mark
Emergency Wreck Marker
Special Mark
The symbol indicate
No Fishing
Marine Farm
Good Fishing
Aquaculture
A position obtained by applying only your vessel's course and speed to a known position is a
Fix
Estimated position
Dead reckoning position
Running fix
What technologies can we expect to see have the biggest impact on maritime in 2030?
Autonomous systems
Artificial intelligence
Virtual reality
Depends on more in-depth analyses rather than personal opinions
The following image correctly shows a channel in IALA Buoyage System A. True or False?
False
True
Both
Not sure
What is an emergency wreck mark used for?
To mark the site of a new wreck
Identify the location of underwater dangers such as submerged rocks
The side of a channel
The position of a danger
