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A good INS system consists of how many main parts?
2.
4.
6.
8.
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How many earth based monitor stations are in use by the GPS system?
2.
3.
4.
6.
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Is ECDIS considered to be a primary or secondary INS sub system?
Secondary.
Primary.
Not primary, not secondary.
ECDIS is not a part of INS.
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Mark the main components that are essential to the operation of an INS/IBS:
Data management system.
Technical system.
Voyage data recording systems.
Procedures.
Human operator.
Human machine interface.
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The ECDIS consist of how many main components?
2.
4.
6.
8.
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The information provided by UAIS can be divided in how many groups?
2.
3.
4.
5.
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What is considered to be the most important part of an INS system?
The INS computer system.
The INS communication system.
The INS back-up systems.
The INS operator.
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What is the main difference between ECS and ECDIS?
No difference.
ECS/ECDIS is only approved by IMO.
ECS is only approved by IHO.
ECDIS must be approved by IMO and IHO.
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What is the main purpose of ECDIS?
Automatically display own ships position on the chart.
Assist in safe navigation of the vessel.
Provide “anti-grounding”.
Provide navigation information in an easy way.
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What is the main purpose of IBS?
Increasing safe and efficient ship management.
Increasing safe and efficient navigation of the ship.
Increasing safe and efficient navigation and traffic surveillance.
Increasing safe and efficient traffic surveillance and management.
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What is the main purpose of INS?
Increasing safe and efficient ship management.
Increasing safe and efficient navigation of the ship.
Increasing safe and efficient navigation and traffic surveillance.
Increasing safe and efficient traffic surveillance and management.
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What is the main purpose of operational procedures?
Meeting classification requirements.
Meeting IMO requirements.
Ensuring that the whole system performs satisfactorily.
Ensuring that technical failures are detected and displayed.
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What is the meaning of proper setting of warning limits?
Optimal setting of important parameters.
Optimal setting of less important parameters.
Optimal setting of all warning parameters.
Proper settings of warning limits are not possible.
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What is the meaning of “Total system monitoring”?
Monitoring of both navigation and engine systems.
Monitoring of all technical equipment on the bridge.
Monitoring of all primary technical systems on board the ship.
Monitoring of technical and human performance.
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What is the meaning of “adaptive autopilot”?
The autopilot is computerized.
The autopilot is not computerized.
The autopilot can execute pre-programmed turns.
The autopilot is self-adjusting.
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What is the most important ARPA function?
Ability to detect collision danger at an early stage.
Ability to detect grounding warning at an early stage.
Ability to give important information in close quarter situations.
Ability to automatically acquire targets within a selected area.
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What is the most important part of the INS?
ARPA.
GPS.
The computer system.
The human operator.
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What is the most important thing to know about the INS system?
System limitations.
Warning settings and limits.
Main system functions and features.
How to run test programs and use fault finding procedures.
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What is the purpose of Differentional GPS?
Provide GPS positions and DR-positions.
Check the standard GPS positions.
Improve GPS position accuracy.
Provide course and speed through water.
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What is the purpose of INS?
Enable more accurate navigation and sailing.
Enable more accurate navigation and sailing.
Increasing safe and efficient ship management.
Obtain more accurate information about important ship parameters.
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What kind of system is conning display?
Information system.
Warning system.
Navigation system.
Secondary system.
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When should “Track mode” be used?
Always.
At regular intervals in order to check how it works.
In open sea areas.
In restricted waters.
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Which system is considered “Secondary” in INS?
ECDIS.
ARPA.
CCTV.
DGPS.
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Why does the adaptive autopilot need speed through water information?
In order to calculate correct rate of turn parameters.
In order to calculate course changes as geometrical turns.
In order to calculate speed over ground.
In order to calculate correct rudder commands.
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