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Worksheet 17 · Skill 1

Compass conversions

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  1. The course laid off on the chart is 029°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  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. A bearing on the chart is 052°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. The steering compass reads 225°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  5. A bearing on the chart is 130°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. The course laid off on the chart is 272°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 206°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. You are steering 343° by the steering compass. What is the true course?

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

    True course: ________ °T  

Answer key

No.AnswersProblem
1Compass course: 037 °C
No. 17001 (worked solution)
2Compass course: 101 °C
No. 17002 (worked solution)
3Magnetic bearing: 060 °M
No. 17003 (worked solution)
4Magnetic heading: 231 °M
No. 17004 (worked solution)
5Magnetic bearing: 116 °M
No. 17005 (worked solution)
6Compass course: 278 °C
No. 17006 (worked solution)
7Compass course: 202 °C
No. 17007 (worked solution)
8True course: 343 °T
No. 17008 (worked solution)