Key Topic 34: EBL, Azimuth, and True Bearing

Question 1

8-34D1: The purpose of the Electronic Bearing Line is to:

A. Indicate your own vessel’s heading
B. measure the bearing of a specific target.
C. Indicate True North.
D. Display the range of a specific target.

Answer 1

B. measure the bearing of a specific target.

Question 2

8-34D2: The Electronic Bearing Line is:

A. The ships heading line.
B. A line indicating True North.
C. Used to mark a target to obtain the distance.
D. A line from your own vessel to a specific target.

Answer 2

D. A line from your own vessel to a specific target.

Question 3

8-34D3: Which of the following inputs is required to indicate azimuth?

A. Gyro signals.
B. Synchronizer.
C. Resolver.
D. Range rings.

Answer 3

A. Gyro signals.

Question 4

8-34D4: Bearing information from the gyro is used to provide the following:

A. The heading of the nearest target.
B. Range and bearing to the nearest target.
C. Vessel’s own heading.
D. The range of a selected target.

Answer 4

C. Vessel’s own heading.

Question 5

8-34D5: Which of the following statements about “true bearing” is correct?

A. The ship’s heading flasher is at the top of the screen.
B. True North is at the top of the screen and the heading flasher indicates the vessel’s course.
C. The true bearing of the nearest target is indicated.
D. The relative bearing of the nearest target is indicated.

Answer 5

B. True North is at the top of the screen and the heading flasher indicates the vessel’s course.

Question 6

8-34D6: A true bearing presentation appears as follows:

A. The bow of the vessel always points up.
B. The course of the five closest targets is displayed.
C. North is at the top of the display and the ship’s heading flasher indicates the vessel’s course.
D. The course and distance of the closest target is displayed.

Answer 6

C. North is at the top of the display and the ship’s heading flasher indicates the vessel’s course.