Question 1
When planning a Great Circle track, what is the significance of the 'vertex'?
Correct Answer:
It is the point of maximum latitude reached by the Great Circle track, where the course is exactly 090° or 270°.
Question 2
How is the 'Safety Depth' calculated on a management-level ECDIS to ensure safe passage?
Correct Answer:
Safety Depth = Vessel's Static Draft + Calculated Squat + Safety Margin - Height of Tide
Question 3
You observe the azimuth of a star by the ship's standard magnetic compass as 085° Compass (C), and the true azimuth is calculated to be 082° True (T). If the variation is 5° West, what is the magnetic deviation of the compass?
Correct Answer:
2° East
Question 4
When adjusting a magnetic compass, which coefficient is corrected by horizontal magnets placed athwartships in the compass binnacle?
Correct Answer:
Coefficient C
Question 5
Under COLREGs Rule 19 (Conduct of vessels in restricted visibility), which action is REQUIRED of a power-driven vessel that detects by radar alone the presence of another vessel?
Correct Answer:
Determine if a close-quarters situation is developing or risk of collision exists, and if so, take avoiding action in ample time.
Question 1
Exam overview

About this Exam

Prepare with the GMA Master Mariner CoC Practice Questions - Ghana Maritime Authority Certificate of Competency - Master Mariner Exam practice quiz. This question bank includes 100 questions covering vessel, primary, code, ship, and cargo. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

More details

Additional Information

GMA Master Mariner CoC Practice Questions - Ghana Maritime Authority Certificate of Competency - Master Mariner Exam

This practice set contains 100 questions from the matching question bank and focuses on vessel, primary, code, ship, and cargo. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

Quiz information

Frequently Asked Questions

The complete question count is available after full access is unlocked.
No fixed duration is currently configured for this quiz.
Question explanations are included where they are available in the quiz content, helping you review the reasoning after answering.
Yes. You can retake the practice test again as you continue studying during your available access period.
After your access is confirmed, you can continue into the complete practice exam from this quiz flow.
Unless explicitly stated otherwise, this page provides independent practice material for study and exam preparation and is not the official examination itself.
Keep studying

Related Questions