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Navigational Aids Knowledge Quiz
Test your knowledge on the International Association of Marine Aids to Navigation and Lighthouse Authorities (IALA) and Aids to Navigation (AtoNs). This quiz covers various aspects related to navigational aids, buoyage systems, and their importance in maritime safety.
- 10 multiple-choice questions
- Assess your understanding of AtoNs
- Ideal for maritime enthusiasts and professionals
1. What was the purpose of the IALA formation?
A. In 1957 the IALA was formed to confuse the World's Buoyage System.
B. In the second half of the XXth century the IALA was formed to unify the WBS.
C. In 1957 the International Maritime Organization was formed to unify the World's Buoyage System.
D. In the second half of the XXth century the International Association of Marine Aids to Navigation and Lighthouse Authorities was moored to unify the World's Buoyage System.
2. What features of buoys are specified in the IALA MBS?
A. The IALA MBS specifies the shapes, colors and characteristic lights of all buoys depending on their region
B. The IALA MBS specifies the shapes, colors and characteristic lights of some buoys depending on their purpose.
C. The IALA MBS specifies the shapes, colors and characteristic lights of buoys depending on their purpose.
D. The IALA MBS specifies the shapes, colors and characteristic lights of buoys depending on their color.
3. What was decided after the 2006 IALA Conference in Shanghai?
A. The formation of the IALA MBS
B. The inclusion of the Emergency Wreck Marking Buoy
C. The further development of electronic aids to navigation was decided
D. The integration of electronic marks via radio transmission.
4. What are the most significant changes in the IALA 2010 revision?
A. The inclusion of the Isolated Danger Mark and the integration of e-marks via radio transmission.
B. The inclusion of the New Danger Mark and the integration of e-marks via radio transmission.
C. The inclusion of the Emergency Wreck Marking Buoy.
D. The inclusion of the integration of e-marks via radio transmission.
5. How can you describe the AtoNs in general?
A. AtoNs include any onboard device or system which is provided to help a mariner to determine position and course, to warn of dangers or of obstructions, or to give advice about the location of a best or preferred route
B. AtoNs include any device or system, external to a vessel, which is provided to help a mariner only to determine position and course
C. Aids to Navigation cover any device or system, out of the ship, which helps a seafarer to determine position and course, to warn of dangers or of obstructions, or to give advice about the location of a best or preferred route
D. Aids to Navigation include any device or system which is provided to help a mariner to determine position and course, to warn of dangers or of obstructions, or to give advice about the location of a best or preferred route
6. What is the difference between the AtoN and the navigational aid?
A. There is no difference between the AtoNs and the navigational aids.
B. AtoNs and navigational aids are carried on board a vessel to help a mariner to determine position and course, to warn of dangers or of obstructions, or to give advice about the location of a best or preferred route.
C. AtoNs and navigational aids are external to a ship to help a mariner to determine position and course, to warn of dangers or of obstructions, or to give advice about the location of a best or preferred route
D. AtoNs are external to a ship, navigational aids are carried on board a vessel.
7. How can you describe Visual Marks in general?
A. Visual Marks can be only natural conspicuous objects such as mountain-tops, rocks, etc
B. Visual Marks can be only man-made conspicuous objects such as churches, towers, minarets, monuments, chimneys, etc.
C. Visual Marks can be natural or man-made conspicuous objects.
D. Visual Marks can be natural or man-made conspicuous objects located only at sea.
8. What are the examples of purpose-built AtoNs?
A. Shore based lighthouses and traffic signals.
B. Lighthouses, beacons, leading (range) lines, lightvessels, buoys, daymarks (dayboards) and traffic signals.
C. Mountain-tops, rocks, churches, towers, minarets, monuments, chimneys, etc.
D. Lighthouses, beacons, leading (range) lines, lightvessels, buoys, daymarks (dayboards) and traffic signals.
9. What factors does the effectiveness of a visual AtoN depend on?
A. The effectiveness of a visual AtoN depends on the ship
B. The effectiveness of a visual AtoN depends only on its position
C. The effectiveness of a visual AtoN depends on its distinguishing features.
D. The effectiveness of a visual AtoN depends on its distinguishing features, distance and atmospheric conditions.
10. What are AtoN distinguishing features?
A. Position and type
B. Position and shape, size, elevation, color, lit/unlit, light intensity, signal character, construction material, names, letters and numbers.
C. The position, type and characteristics
D. Location and type.
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