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Bridge Navigation & Deck Operations

Celestial Navigation – Deck Officer Assessment

Comprehensive celestial navigation test based on practical officer-level tasks. Includes latitude by meridian altitude, GHA/LHA/SHA calculations, intercept method, azimuth & position lines, equation of time, and sextant errors. Recommended for 2/O, 3/O and exam preparation.

Questions 18
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

The first point of Aries is the point on the celestial sphere where:

A 21.03.
B 21.06.
C 21.09.
D 21.12.

Question 2

If the Azimuth of a body is found to be 305° True, the position line would be drawn through the Intercept Terminal Position in a direction of:

A 045°/225°.
B 035°/215°.
C 050°/230°.
D 040°/220°.

Question 3

Given that the true altitude is 46° 20.2′, calculate the True Zenith Distance.

A 42° 30.5′.
B 43° 39.8′.
C 44° 15.2′.
D 41° 50.1′.

Question 4

The summer solstice in the northern hemisphere is approximately on:

A 21.06.
B 22.06.
C 23.06.
D 20.06.

Question 5

The summer solstice in the southern hemisphere is approximately on:

A 21.12.
B 22.12.
C 23.12.
D 20.12.