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Worksheet 91 · Skill 1

Compass conversions

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  1. You are steering 158° 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 046° by the steering compass. What is the true course?

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

    True course: ________ °T  

  3. A bearing on the chart is 159°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  

  4. You are steering 064° 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 137°T. 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 050° by the steering compass. What is the true course?

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

    True course: ________ °T  

  7. You are steering 095° by the steering compass. What is the true course?

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

    True course: ________ °T  

  8. A bearing on the chart is 132°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  

Answer key

No.AnswersProblem
1True course: 177 °T
No. 91001 (worked solution)
2True course: 039 °T
No. 91002 (worked solution)
3Magnetic bearing: 144 °M
No. 91003 (worked solution)
4True course: 079 °T
No. 91004 (worked solution)
5Compass course: 122 °C
No. 91005 (worked solution)
6True course: 061 °T
No. 91006 (worked solution)
7True course: 106 °T
No. 91007 (worked solution)
8Magnetic bearing: 139 °M
No. 91008 (worked solution)