Worksheet 310 · Skill 1

Compass conversions

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1. A bearing on the chart is 157°T. What is it magnetic (for a hand-bearing compass, which is taken to have no deviation)?

   Give whole degrees (000 to 359). This one must be exact.

   Magnetic bearing: ________ °M  

2. The steering compass reads 117°C. What is the magnetic heading?

   Give whole degrees (000 to 359). This one must be exact.

   Magnetic heading: ________ °M  

3. A magnetic course of 224°M is wanted. What do you steer by the steering compass?

   Give whole degrees (000 to 359). This one must be exact.

   Compass course: ________ °C  

4. A bearing on the chart is 299°T. What is it magnetic (for a hand-bearing compass, which is taken to have no deviation)?

   Give whole degrees (000 to 359). This one must be exact.

   Magnetic bearing: ________ °M  

5. You are steering 258° by the steering compass. What is the true course?

   Give whole degrees (000 to 359). This one must be exact.

   True course: ________ °T  

6. A magnetic course of 230°M is wanted. What do you steer by the steering compass?

   Give whole degrees (000 to 359). This one must be exact.

   Compass course: ________ °C  

7. You are steering 203° by the steering compass. What is the true course?

   Give whole degrees (000 to 359). This one must be exact.

   True course: ________ °T  

8. The course laid off on the chart is 033°T. What do you steer by the steering compass?

   Give whole degrees (000 to 359). This one must be exact.

   Compass course: ________ °C