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Worksheet 334 · Skill 1

Compass conversions

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  1. The course laid off on the chart is 150°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  2. You are steering 181° 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 103°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 072° 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 163°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  6. The course laid off on the chart is 171°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  7. A magnetic course of 343°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 bearing on the chart is 106°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
1Compass course: 165 °C
No. 334001 (worked solution)
2True course: 181 °T
No. 334002 (worked solution)
3Magnetic bearing: 112 °M
No. 334003 (worked solution)
4True course: 075 °T
No. 334004 (worked solution)
5Compass course: 181 °C
No. 334005 (worked solution)
6Compass course: 160 °C
No. 334006 (worked solution)
7Compass course: 343 °C
No. 334007 (worked solution)
8Magnetic bearing: 103 °M
No. 334008 (worked solution)