Bridge Navigation & Deck Operations

Navigation Fundamentals Knowledge

This test covers key aspects of navigation, including the fundamentals of orientation, determining directions at sea, working with compasses, courses and bearings, as well as units of length measurement, ship speed, and the principles of their calculation.

Questions 15

Time Limit 9 min

Language English

Sample Questions

Here are some example questions from this quiz. Download the GYRO app to take the full test.

Question 1

What determines the position of any point on the surface of the Earth's ellipsoid?

A Coordinates.

B Main directions N, S, E, W.

C Difference in latitudes.

D True bearing line.

Question 2

What is the value of the rhumb WNW?

A 292.5°.

B 315.0°.

C 333.5°.

D 275.0°.

Question 3

What type of deviation in a magnetic compass is the latitude compensator intended for?

A To compensate for the variable part of semicircular deviation.

B To compensate for quadrantal deviation.

C To compensate for heeling deviation.

D To compensate for constant deviation.

Question 4

What is the ray AE, indicating the observer's direction to the east (Fig. 1), called?

A Eastern part of the prime vertical line.

B Prime vertical line.

C Western part of the prime vertical line.

D Observer's prime vertical plane.

Question 5

What is the point n, where the vertical line intersects the imaginary celestial sphere below the observer, called?

A Observer's nadir.

B Vertical (plumb) line.

C Observer's zenith.

D Observer's true meridian plane.

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