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Worksheet 681 · Skill 1

Compass conversions

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  1. A magnetic course of 210°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. A magnetic course of 023°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. The course laid off on the chart is 007°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  4. A bearing on the chart is 310°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  

  5. A bearing on the chart is 234°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. You are steering 081° by the steering compass. What is the true course?

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

    True course: ________ °T  

  7. The course laid off on the chart is 134°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 steering compass reads 283°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

Answer key

No.AnswersProblem
1Compass course: 211 °C
No. 681001 (worked solution)
2Compass course: 025 °C
No. 681002 (worked solution)
3Compass course: 006 °C
No. 681003 (worked solution)
4Magnetic bearing: 315 °M
No. 681004 (worked solution)
5Magnetic bearing: 228 °M
No. 681005 (worked solution)
6True course: 087 °T
No. 681006 (worked solution)
7Compass course: 148 °C
No. 681007 (worked solution)
8Magnetic heading: 288 °M
No. 681008 (worked solution)