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Worksheet 99 · Skill 1

Compass conversions

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  1. A magnetic course of 326°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. The steering compass reads 336°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  3. The steering compass reads 288°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  4. The course laid off on the chart is 358°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  5. The course laid off on the chart is 038°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  6. A bearing on the chart is 330°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  

  7. A bearing on the chart is 288°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 179°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: 326 °C
No. 99001 (worked solution)
2Magnetic heading: 336 °M
No. 99002 (worked solution)
3Magnetic heading: 282 °M
No. 99003 (worked solution)
4Compass course: 349 °C
No. 99004 (worked solution)
5Compass course: 018 °C
No. 99005 (worked solution)
6Magnetic bearing: 329 °M
No. 99006 (worked solution)
7Magnetic bearing: 287 °M
No. 99007 (worked solution)
8Compass course: 189 °C
No. 99008 (worked solution)