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Worksheet 381 · Skill 1

Compass conversions

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  1. You are steering 149° 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 123° by the steering compass. What is the true course?

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

    True course: ________ °T  

  3. The course laid off on the chart is 306°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 course laid off on the chart is 220°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  5. A bearing on the chart is 287°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  

  6. You are steering 182° by the steering compass. What is the true course?

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

    True course: ________ °T  

  7. A magnetic course of 070°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. A magnetic course of 022°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: 139 °T
No. 381001 (worked solution)
2True course: 130 °T
No. 381002 (worked solution)
3Compass course: 310 °C
No. 381003 (worked solution)
4Compass course: 222 °C
No. 381004 (worked solution)
5Magnetic bearing: 300 °M
No. 381005 (worked solution)
6True course: 198 °T
No. 381006 (worked solution)
7Compass course: 070 °C
No. 381007 (worked solution)
8Compass course: 019 °C
No. 381008 (worked solution)