2026

Maritime

High Seas Navigator Certification

Ten demanding questions that test comprehensive knowledge required for a Navigation Officer in modern maritime operations.

#navigation#sailing#marine#seamanship#celestial#GPS#chartwork#ECDIS#professional#COLREGs

Quiz Intelligence

Total Questions

10

Difficulty Level

hard

Progress

0/0

0%

Quiz Questions

Answer all questions below and test your knowledge.

1
When performing a running fix using a single celestial body, which combination of observations is required to establish the fix?
Question 1
2
Under COLREGs, Rule 10 (Traffic Separation Schemes), a vessel engaged in fishing within a separation zone must:
Question 2
3
A vessel's GPS reports a position with a HDOP (Horizontal Dilution of Precision) value of 1.2. What does this indicate about the fix quality?
Question 3
4
What is the primary function of a 'layline' in sailboat navigation?
Question 4
5
The term 'Set and Drift' in a navigation context refers specifically to:
Question 5
6
In ECDIS, what is the key implication of a Safety Contour set to 20 meters?
Question 6
7
When determining a great circle course from 40°N 060°W to 35°N 020°W using the cosine formula, which variable is most critical and often a source of significant error if misapplied?
Question 7
8
A vessel sights a lighthouse with a nominal range of 15 NM. In conditions of reduced visibility, what primarily determines the luminous range at which it might first be seen?
Question 8
9
A vessel is making way at 15 knots in calm conditions. The GPS-derived speed over ground (SOG) suddenly reads 14.8 knots. The most likely explanation, assuming no equipment fault, is:
Question 9
10
The 'wheel-over point' for a large vessel executing a planned turn is primarily calculated based on:
Question 10

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High Seas Navigator Certification

Quiz Intelligence

Quiz Questions

When performing a running fix using a single celestial body, which combination of observations is required to establish the fix?

Under COLREGs, Rule 10 (Traffic Separation Schemes), a vessel engaged in fishing within a separation zone must:

A vessel's GPS reports a position with a HDOP (Horizontal Dilution of Precision) value of 1.2. What does this indicate about the fix quality?

What is the primary function of a 'layline' in sailboat navigation?

The term 'Set and Drift' in a navigation context refers specifically to:

In ECDIS, what is the key implication of a Safety Contour set to 20 meters?

When determining a great circle course from 40°N 060°W to 35°N 020°W using the cosine formula, which variable is most critical and often a source of significant error if misapplied?

A vessel sights a lighthouse with a nominal range of 15 NM. In conditions of reduced visibility, what primarily determines the luminous range at which it might first be seen?

A vessel is making way at 15 knots in calm conditions. The GPS-derived speed over ground (SOG) suddenly reads 14.8 knots. The most likely explanation, assuming no equipment fault, is:

The 'wheel-over point' for a large vessel executing a planned turn is primarily calculated based on: