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Worksheet 117 · Skill 1

Compass conversions

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  1. The course laid off on the chart is 293°T. 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 192°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. A magnetic course of 222°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  

  4. You are steering 177° by the steering compass. What is the true course?

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

    True course: ________ °T  

  5. The steering compass reads 246°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  6. The steering compass reads 171°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  7. A bearing on the chart is 083°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. A bearing on the chart is 299°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  

Answer key

No.AnswersProblem
1Compass course: 303 °C
No. 117001 (worked solution)
2Compass course: 197 °C
No. 117002 (worked solution)
3Compass course: 221 °C
No. 117003 (worked solution)
4True course: 174 °T
No. 117004 (worked solution)
5Magnetic heading: 250 °M
No. 117005 (worked solution)
6Magnetic heading: 177 °M
No. 117006 (worked solution)
7Magnetic bearing: 078 °M
No. 117007 (worked solution)
8Magnetic bearing: 302 °M
No. 117008 (worked solution)