AB Navigation & Watchstanding

Question 1

What is a ship's compass used for?

Accepted Answer

Determine direction

Answer

A ship's compass is a fundamental navigational instrument used to indicate the vessel's heading relative to magnetic or true north. This allows the crew to maintain a desired course and navigate accurately across the water.

Question 2

What is the purpose of a watchstanding log?

Accepted Answer

Record events during watch

Answer

A watchstanding log is an official document kept on the bridge or in the engine room during a watch. It serves to record all significant events, observations, and actions taken, providing a continuous and detailed history of the vessel's operations.

Question 3

What is a nautical mile?

Accepted Answer

1.1508 miles

Answer

A nautical mile is a unit of distance used in marine and aviation navigation, defined as one minute of arc of a great circle. It is approximately 1.1508 statute miles (or 1,852 meters), making it a standard measure for distances at sea.

Question 4

What is a bearing in navigation?

Accepted Answer

Navigational direction

Answer

In navigation, a bearing is the horizontal direction of a point or object from an observer, usually expressed as an angle relative to a fixed reference point like true north or the ship's bow. It is crucial for plotting positions and determining courses.

Question 5

What does a lookout do?

Accepted Answer

Observe surroundings

Answer

A lookout's primary duty is to maintain a continuous and vigilant watch by sight and hearing for other vessels, navigational hazards, and any changes in the environment. This is essential for preventing collisions and ensuring the safety of the vessel.

(AB) Able Seaman Exam Practice Test

(AB) Able Seaman Exam Practice Test

AB Navigation & Watchstanding