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Worksheet 331 · Skill 1

Compass conversions

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  1. A magnetic course of 146°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  

  2. A bearing on the chart is 031°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 211°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  4. The steering compass reads 005°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  5. You are steering 328° 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 180°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. A magnetic course of 151°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  

  8. The course laid off on the chart is 151°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

Answer key

No.AnswersProblem
1Compass course: 148 °C
No. 331001 (worked solution)
2Magnetic bearing: 039 °M
No. 331002 (worked solution)
3Compass course: 208 °C
No. 331003 (worked solution)
4Magnetic heading: 009 °M
No. 331004 (worked solution)
5True course: 325 °T
No. 331005 (worked solution)
6Compass course: 183 °C
No. 331006 (worked solution)
7Compass course: 149 °C
No. 331007 (worked solution)
8Compass course: 147 °C
No. 331008 (worked solution)