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Worksheet 563 · Skill 1

Compass conversions

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  1. A bearing on the chart is 285°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  

  2. The course laid off on the chart is 122°T. 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 214°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  4. You are steering 052° by the steering compass. What is the true course?

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

    True course: ________ °T  

  5. A bearing on the chart is 131°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. A magnetic course of 178°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. The course laid off on the chart is 104°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 126°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
1Magnetic bearing: 273 °M
No. 563001 (worked solution)
2Compass course: 109 °C
No. 563002 (worked solution)
3Compass course: 222 °C
No. 563003 (worked solution)
4True course: 049 °T
No. 563004 (worked solution)
5Magnetic bearing: 126 °M
No. 563005 (worked solution)
6Compass course: 181 °C
No. 563006 (worked solution)
7Compass course: 093 °C
No. 563007 (worked solution)
8Compass course: 123 °C
No. 563008 (worked solution)