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Worksheet 375 · Skill 1

Compass conversions

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  1. A bearing on the chart is 127°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. A magnetic course of 314°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  

  3. A magnetic course of 145°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 magnetic course of 183°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  

  5. A magnetic course of 221°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  

  6. You are steering 020° by the steering compass. What is the true course?

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

    True course: ________ °T  

  7. The course laid off on the chart is 027°T. 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 318°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
1Magnetic bearing: 141 °M
No. 375001 (worked solution)
2Compass course: 311 °C
No. 375002 (worked solution)
3Compass course: 147 °C
No. 375003 (worked solution)
4Compass course: 187 °C
No. 375004 (worked solution)
5Compass course: 223 °C
No. 375005 (worked solution)
6True course: 037 °T
No. 375006 (worked solution)
7Compass course: 032 °C
No. 375007 (worked solution)
8Compass course: 327 °C
No. 375008 (worked solution)