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Worksheet 474 · Skill 1

Compass conversions

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  1. A bearing on the chart is 137°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. A magnetic course of 164°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  

  3. You are steering 240° by the steering compass. What is the true course?

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

    True course: ________ °T  

  4. The steering compass reads 088°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  5. The course laid off on the chart is 181°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 106°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 bearing on the chart is 195°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  

  8. The course laid off on the chart is 144°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: 134 °M
No. 474001 (worked solution)
2Compass course: 164 °C
No. 474002 (worked solution)
3True course: 250 °T
No. 474003 (worked solution)
4Magnetic heading: 094 °M
No. 474004 (worked solution)
5Compass course: 190 °C
No. 474005 (worked solution)
6Compass course: 098 °C
No. 474006 (worked solution)
7Magnetic bearing: 182 °M
No. 474007 (worked solution)
8Compass course: 132 °C
No. 474008 (worked solution)