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Worksheet 167 · Skill 1

Compass conversions

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  1. A magnetic course of 241°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  

  2. 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  

  3. You are steering 126° 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 048°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 067°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 004°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 steering compass reads 191°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  8. The course laid off on the chart is 099°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
1Compass course: 243 °C
No. 167001 (worked solution)
2True course: 157 °T
No. 167002 (worked solution)
3True course: 127 °T
No. 167003 (worked solution)
4Magnetic heading: 043 °M
No. 167004 (worked solution)
5Magnetic bearing: 057 °M
No. 167005 (worked solution)
6Compass course: 005 °C
No. 167006 (worked solution)
7Magnetic heading: 190 °M
No. 167007 (worked solution)
8Compass course: 108 °C
No. 167008 (worked solution)