Worksheet 139 · Skill 1

Compass conversions

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1. The steering compass reads 348°C. What is the magnetic heading?

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

   Magnetic heading: ________ °M  

2. A bearing on the chart is 300°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  

3. The course laid off on the chart is 205°T. What do you steer by the steering compass?

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

   Compass course: ________ °C  

4. You are steering 057° by the steering compass. What is the true course?

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

   True course: ________ °T  

5. The course laid off on the chart is 110°T. What do you steer by the steering compass?

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

   Compass course: ________ °C  

6. The steering compass reads 217°C. What is the magnetic heading?

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

   Magnetic heading: ________ °M  

7. A bearing on the chart is 062°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  

8. The steering compass reads 333°C. What is the magnetic heading?

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

   Magnetic heading: ________ °M