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Worksheet 178 · Skill 1

Compass conversions

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  1. A magnetic course of 117°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 magnetic course of 150°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. The course laid off on the chart is 100°T. 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 108°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. You are steering 216° 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 bearing on the chart is 065°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  

  7. The course laid off on the chart is 017°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 325°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: 121 °C
No. 178001 (worked solution)
2Compass course: 150 °C
No. 178002 (worked solution)
3Compass course: 092 °C
No. 178003 (worked solution)
4Compass course: 112 °C
No. 178004 (worked solution)
5True course: 201 °T
No. 178005 (worked solution)
6Magnetic bearing: 051 °M
No. 178006 (worked solution)
7Compass course: 036 °C
No. 178007 (worked solution)
8Compass course: 331 °C
No. 178008 (worked solution)