WorksheetsNavigation1
Total questions: 30
Worksheet time: 15mins
Which of the followings is the correct step of voyage planning?
Appraisal, Execution, Planning and Monitoring
Planning, Appraisal, Execution and Monitoring
Appraisal, Planning, Execution and Monitoring
Planning, Execution, Appraisal and Monitoring
What is the recommended safe passing distance off a mine vessel engaged on mine cleaner distance?
500 m radius about the vessel
750 m radius about the vessel
800 m radius about the vessel
1000 m radius about the vessel
Which of the followings should be taken into account in voyage and passage planning?
The provision of a competent and well-rested crew
The condition and state of the vessel, its stability and its equipment
Requirement for valid certificates and documents concerning the vessel
All of the above
What is not the 4-principle of the safe passage planning?
Planning
Monitoring
Appraisal
Estimating
A major source of advice for a planning passage is contained in the _______.
Sailing direction book
Mariner’s handbook NP 100
Ocean passage book NP 136
Distance table
Which stage of voyage planning is the process of gathering all information related to the proposed voyage?
Planning
Monitoring
Appraisal
The items of appraisal that should always be completed before entering the pilotage water are ________.
Parallel indexing
Tidal Calculation
ISPS reporting
Both a and b
The “waypoint” in passage planning must be _______.
Berth to Berth
Pilot to Pilot
Berth to Pilot
Pilot to Berth
How many types of passage plan are there?
3
4
5
6
Which is not a type of passage plan?
Pilotage
Restricted
Coastal
Contingency
You are navigating in a narrow channel when a behind vessel sounds two prolonged blasts, followed by one short blast on the whistle. What does the sound signal mean?
A behind vessel doubts your action.
A behind vessel intends to increase speed.
A behind vessel is asking you for overtaking on port side.
A behind vessel is asking you for overtaking on stbd. side.
You are navigating in a narrow channel when a behind vessel sounds two prolonged blasts, followed by one short blast on the whistle. What should you do if your vessel agrees with your behind vessel?
Three prolonged blasts
One prolonged blast, followed by two short blasts and one prolonged blast
One prolonged blast, followed by one short blast and one prolonged blast
One prolonged blast, followed by one short blast, one prolonged blast, and one short blast
While you are navigating in thick fog, there is a target vessel plotted on radar. The OOW reports that it is 4 miles dead astern and its range is closing. How do you deal with this situation?
Stop engine
Alter to port
Alter to stbd.
None of the above
In the risk of collision, such risk shall be deemed to _______ if the compass ______of a/an _______ vessel does not appreciably change.
Exist, bearing, approaching
Exist, course, approaching
Clear, course, passing
Clear, bearing, passing
What shall the stand-on vessel do if she finds herself so close that collision cannot be avoided by the action of the give-way vessel alone?
Maintain her course and speed
Take the best action as possible to avoid collision
Alter course to port or starboard depending on situation
Assist the give-way vessel by reducing speed
What is the rule of “speed in fog”?
Go with moderate speed
Go with the lowest speed
Go with economic speed
Go with dead slow speed
At sea, when should you display two red lights at night-time and two black balls in the daytime?
Steering Failure
Engine breakdown
Not under command
All of the above
In case of close quarter, which one of the following actions should be avoided?
An alteration of course towards a vessel abeam or abaft the beam
An alteration of course to port for a vessel forward of the beam, except a vessel being overtaken
An alteration of course to stbd. for a vessel forward of the beam, except a vessel being overtaken
Both a and b
How does a vessel maintain a proper lookout as well as by all available means?
By binoculars
By sight only
c) By sight and hearing
c) By radar
According to ARPA in the relative motion, which item is not correct?
The echo of a target which is stationary in the water will move across the screen in direction which is reciprocal to that of the observing vessel’s loading.
The electronic origin of the picture is fixed and the movement of targets is shown with respect to the observing vessel.
The echo of a land target or a floating target at anchor will move across the screen in a direction which is the reciprocal of the observing vessel’s ground track at a speed over ground of observing vessel.
The echo of a land target or a floating target at anchor will not move in the screen.
According to ARPA in the true motion, which is not correct for sea-stabilized presentation?
The echo of a target which is stationary in the water is not stationary on the screen.
The echo of a land target or a target at anchor will move across the screen in a direction which is the reciprocal of that of the tide. At a rate equal to that of the tide.
The echo of target which is moving through the water will move across the screen in a direction and at a rate which corresponds with its motion through the water.
Both a and c
Which one is not a characteristic of S-band Radar?
Radar wavelength of 10 centimeters and Frequency between 2000-4000 MHz
Radar wavelength of 3 centimeters and Frequency between 8000-12000 MHz
Properly use for detecting a target in the snowing or raining condition
Use for detecting a long-range target
Which one is not a characteristic of S-band Radar?
Radar wavelength of 10 centimeters and Frequency between 2000-4000 MHz
Radar wavelength of 3 centimeters and Frequency between 8000-12000 MHz
Properly use for detecting a target in the snowing or raining condition
Use for detecting a long-range target
Which one is not a characteristic of X-band Radar?
Radar wavelength of 10 centimeters and Frequency between 2000-4000 MHz
Radar wavelength of 3 centimeters and Frequency between 8000-12000 MHz
Radar wavelength of 3 centimeters and Frequency between 8000-12000 MHz
Use for detecting a short-range target
Which is not included in the advantage of “short pulse”?
Possibly useful to detect a target in heavy rain
Good in range discrimination
Good in range discrimination
Good to use in long range
Which is not included in the advantage of “long pulse”?
Possibly useful to detect a target after rain
Poor in range discrimination
Good to use in short range
Good to use in long range
How could you identify a low flying aircraft appearing on the radarscope?
By the unusual rapidity with which the blips more in the scope, either in range or bearing, or both
Swing the ship bow to detect a rapid target
Adjust gain increasingly with headline off
All of the above All of the above
What method may be taken to minimize a danger from blind spots?
use a clutter
Frequently adjust of tuning and reduce gain
Frequently adjust of tuning and increase gain
Frequently change of pulse repetition from low to high or high to low
Frequently change of pulse repetition from low to high or high to low
Brass
Soft iron
Stainless steel
Copper
What is the relative bearing on the Radar PPI scope?
It shows an arc of horizon measured from the vessel’s vectors or it relates to the fore and aft line, as in the course upward mode
It shows an arc of horizon measured from the vessel’s heading or it relates to the fore and aft line, as in the heading upward presentation on the scope
It shows as in the “North upward” presentation, or bearing relates to the meridian. A radial line shows a trace of vessel’s heading.
None of the above
