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Worksheet 800 · Skill 1

Compass conversions

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  1. You are steering 287° by the steering compass. What is the true course?

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

    True course: ________ °T  

  2. You are steering 342° by the steering compass. What is the true course?

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

    True course: ________ °T  

  3. You are steering 291° by the steering compass. What is the true course?

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

    True course: ________ °T  

  4. A bearing on the chart is 309°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. The course laid off on the chart is 146°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  6. A magnetic course of 063°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 bearing on the chart is 138°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. A magnetic course of 225°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  

Answer key

No.AnswersProblem
1True course: 275 °T
No. 800001 (worked solution)
2True course: 341 °T
No. 800002 (worked solution)
3True course: 283 °T
No. 800003 (worked solution)
4Magnetic bearing: 319 °M
No. 800004 (worked solution)
5Compass course: 161 °C
No. 800005 (worked solution)
6Compass course: 064 °C
No. 800006 (worked solution)
7Magnetic bearing: 127 °M
No. 800007 (worked solution)
8Compass course: 224 °C
No. 800008 (worked solution)